S\u01a1 \u0111\u1ed3 UML l\u00e0 g\u00ec?<\/h2>\n\n- S\u01a1 \u0111\u1ed3 UML \u0111\u01b0\u1ee3c chia th\u00e0nh s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac v\u00e0 s\u01a1 \u0111\u1ed3 h\u00e0nh vi.<\/li>\n
- S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c chia th\u00e0nh s\u01a1 \u0111\u1ed3 l\u1edbp, s\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1, s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n, s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng, s\u01a1 \u0111\u1ed3 tri\u1ec3n khai v\u00e0 s\u01a1 \u0111\u1ed3 g\u00f3i.<\/li>\n
- S\u01a1 \u0111\u1ed3 h\u00e0nh vi \u0111\u01b0\u1ee3c chia th\u00e0nh s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng, s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i v\u00e0 s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c.<\/li>\n
- S\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c chia th\u00e0nh s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1, s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1, s\u01a1 \u0111\u1ed3 giao ti\u1ebfp v\u00e0 s\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c.<\/li>\n<\/ul>\n
![\"Overview](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/1_01-uml-diagram-types.png\"\/)
<\/p>\n
14 lo\u1ea1i s\u01a1 \u0111\u1ed3 UML<\/h2>\n\n- S\u01a1 \u0111\u1ed3 l\u1edbp<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 t\u0129nh m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb c\u00e1c l\u1edbp c\u1ee7a n\u00f3 v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh c\u0169ng nh\u01b0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang, c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a>bao g\u1ed3m c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, vai tr\u00f2 v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 cho th\u1ea5y c\u00e1ch ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/a>l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh cho vi\u1ec7c giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo c\u00e1ch tu\u1ea7n t\u1ef1. N\u00f3 cho th\u1ea5y th\u1ee9 t\u1ef1 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, l\u1edbp v\u00e0 vai tr\u00f2 c\u0169ng nh\u01b0 th\u00f4ng tin li\u00ean quan trong m\u1ed9t k\u1ecbch b\u1ea3n. N\u00f3 bao g\u1ed3m c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng thu\u1ed9c v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng ngang c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p.<\/li>\n
- S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 h\u00e0nh vi cho th\u1ea5y m\u1ed9t k\u1ecbch b\u1ea3n d\u01b0\u1edbi d\u1ea1ng lu\u1ed3ng h\u00e0nh \u0111\u1ed9ng. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t chu\u1ed7i h\u00e0nh \u0111\u1ed9ng, c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n, c\u00e1c nh\u00e1nh \u0111\u1ed3ng th\u1eddi v\u00e0 c\u00e1c v\u00f2ng l\u1eb7p kh\u00e1c nhau.<\/li>\n
- S\u01a1 \u0111\u1ed3 giao ti\u1ebfp<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 giao ti\u1ebfp<\/a>cho th\u1ea5y s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u00e1c ph\u1ea7n d\u01b0\u1edbi d\u1ea1ng th\u00f4ng \u0111i\u1ec7p, \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng. M\u1ed9t s\u01a1 \u0111\u1ed3 giao ti\u1ebfp l\u00e0 m\u1ed9t d\u1ea1ng s\u1eeda \u0111\u1ed5i c\u1ee7a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML, nh\u01b0ng kh\u00e1c v\u1edbi n\u00f3 \u1edf ch\u1ed7 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a n\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u ngang v\u00e0 c\u00f3 th\u1ec3 c\u00f3 b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong s\u01a1 \u0111\u1ed3.<\/li>\n
- S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/a>m\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t th\u1ef1c th\u1ec3 (thi\u1ebft b\u1ecb, quy tr\u00ecnh, ch\u01b0\u01a1ng tr\u00ecnh, ph\u1ea7n m\u1ec1m, m\u00f4-\u0111un, v.v.) v\u00e0 c\u00e1c chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i. C\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh khi n\u00e0o m\u1ed9t chuy\u1ec3n ti\u1ebfp t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 UML c\u00f3 c\u1ea5u tr\u00fac. N\u00f3 m\u00f4 t\u1ea3 m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c c\u00e1c ph\u1ea7n c\u1ee7a n\u00f3 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u1ec3 hi\u1ec7n, gi\u00e1 tr\u1ecb v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c v\u00ed d\u1ee5 v\u1ec1 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u.<\/li>\n
- S\u01a1 \u0111\u1ed3 g\u00f3i<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 g\u00f3i<\/a>cho th\u1ea5y c\u00e1c ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i trong m\u1ed9t m\u00f4 h\u00ecnh. N\u00f3 m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c d\u1ef1 \u00e1n quy m\u00f4 l\u1edbn.<\/li>\n
- S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/a>cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn v\u1ec1 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c giao di\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0\/ho\u1eb7c y\u00eau c\u1ea7u b\u1edfi c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n. C\u00e1c ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 c\u00e1c hi\u1ec7n v\u1eadt kh\u00e1c.<\/li>\n
- S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/strong> \u2013 S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/a>m\u00f4 t\u1ea3 vi\u1ec7c tri\u1ec3n khai c\u00e1c hi\u1ec7n v\u1eadt tr\u00ean m\u1ed9t n\u00fat m\u1ea1ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed c\u1ee7a c\u00e1c hi\u1ec7n v\u1eadt (ph\u1ea7n m\u1ec1m, h\u1ec7 th\u1ed1ng, m\u00f4-\u0111un, v.v.) tr\u00ean c\u00e1c n\u00fat v\u1eadt l\u00fd (ph\u1ea7n c\u1ee9ng, m\u00e1y ch\u1ee7, c\u01a1 s\u1edf d\u1eef li\u1ec7u, v.v.) v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a gi\u1ea3i ph\u00e1p.<\/li>\n
- S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p<\/strong> \u2013 S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p<\/a>cho th\u1ea5y c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t ph\u00e2n lo\u1ea1i, c\u00e1c ph\u1ea7n v\u00e0 c\u1ed5ng c\u1ee7a n\u00f3, th\u00f4ng qua \u0111\u00f3 n\u00f3 giao ti\u1ebfp v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a m\u00ecnh. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 h\u1ee3p t\u00e1c, n\u01a1i m\u1ed7i ph\u1ea7n t\u1eed c\u00f3 vai tr\u00f2 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n
- t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c<\/strong> \u2013 S\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c<\/a>cung c\u1ea5p c\u00e1i nh\u00ecn c\u1ea5p cao v\u1ec1 c\u00e1c t\u01b0\u01a1ng t\u00e1c trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c ph\u00e2n h\u1ec7. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c kh\u00e1c v\u00e0 c\u00e1c tham chi\u1ebfu t\u01b0\u01a1ng t\u00e1c thay v\u00ec c\u00e1c n\u00fat h\u00e0nh \u0111\u1ed9ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 th\u1eddi gian<\/strong> \u2013 S\u01a1 \u0111\u1ed3 th\u1eddi gian<\/a>t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o th\u1eddi gian, v\u00e0 n\u00f3 m\u00f4 t\u1ea3 nh\u1eefng thay \u0111\u1ed5i trong ph\u00e2n lo\u1ea1i tr\u00ean m\u1ed9t d\u00f2ng th\u1eddi gian. C\u00e1c d\u00f2ng th\u1eddi gian \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau theo chi\u1ec1u d\u1ecdc, v\u1edbi th\u1eddi gian t\u0103ng d\u1ea7n t\u1eeb tr\u00e1i sang ph\u1ea3i.<\/li>\n
- h\u1ed3 s\u01a1<\/strong> \u2013 S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1<\/a>m\u00f4 t\u1ea3 v\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng cho ng\u00f4n ng\u1eef UML. C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh ng\u00f4n ng\u1eef cho m\u1ed9t mi\u1ec1n ho\u1eb7c n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3. C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng c\u00e1ch ph\u00e2n lo\u1ea1i.<\/li>\n<\/ol>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a c\u1ed1t l\u00f5i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp m\u00f4 t\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 t\u0129nh kh\u00e1c nhau t\u1ed3n t\u1ea1i gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u0129nh c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/p>\n
\n- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 k\u1ebf th\u1eeba, cho th\u1ea5y r\u1eb1ng m\u1ed9t l\u1edbp con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a l\u1edbp cha. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o l\u1edbp cha.<\/li>\n
- M\u1ed1i quan h\u1ec7 hi\u1ec7n th\u1ef1c h\u00f3a<\/strong> l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t l\u1edbp v\u00e0 m\u1ed9t giao di\u1ec7n, cho th\u1ea5y r\u1eb1ng l\u1edbp \u0111\u00f3 l\u00e0 s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a giao di\u1ec7n.<\/span>M\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o giao di\u1ec7n.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1edf h\u1eefu, cho ph\u00e9p m\u1ed9t l\u1edbp bi\u1ebft c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c.<\/span>M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ch\u1ee7 s\u1edf h\u1eefu.<\/span>C\u00e1c li\u00ean k\u1ebft hai chi\u1ec1u c\u00f3 th\u1ec3 c\u00f3 hai m\u0169i t\u00ean ho\u1eb7c kh\u00f4ng c\u00f3 m\u0169i t\u00ean.<\/span>M\u1ed9t li\u00ean k\u1ebft \u0111\u01a1n chi\u1ec1u c\u00f3 m\u1ed9t m\u0169i t\u00ean.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. V\u00e0 ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft v\u00e0 l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft m\u1ea1nh; li\u00ean k\u1ebft v\u00e0 t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1ec1 m\u1eb7t ng\u1eef ph\u00e1p, v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 logic c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t. \u0110\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi c\u00e1c h\u00ecnh thoi r\u1ed7ng, c\u00e1c h\u00ecnh thoi r\u1ed7ng ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 th\u00e0nh ph\u1ea7n<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. Nh\u01b0ng ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, m\u1ea1nh h\u01a1n m\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t h\u00ecnh thoi \u0111\u1eb7c, ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1eed d\u1ee5ng, t\u1ee9c l\u00e0, vi\u1ec7c th\u1ef1c hi\u1ec7n m\u1ed9t l\u1edbp y\u00eau c\u1ea7u s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c. N\u00f3 l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng, c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n
\u00a0<\/p>\n
![\"What](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/12-uml-class-diagram-example.png\"\/)
<\/p>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng bao g\u1ed3m c\u00e1c di\u1ec5n vi\u00ean, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, ranh gi\u1edbi v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ee9a ba m\u1ed1i quan h\u1ec7 sau:<\/p>\n
\n- M\u1ed1i quan h\u1ec7 bao g\u1ed3m s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cbao g\u1ed3m\u201d. N\u1ebfu b\u1ea1n mu\u1ed1n xem danh s\u00e1ch \u0111\u01a1n h\u00e0ng, b\u1ea1n c\u1ea7n \u0111\u0103ng nh\u1eadp tr\u01b0\u1edbc.<\/li>\n
- M\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cm\u1edf r\u1ed9ng\u201d. D\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng truy v\u1ea5n danh s\u00e1ch \u0111\u01a1n h\u00e0ng, m\u1ed9t ch\u1ee9c n\u0103ng xu\u1ea5t d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t, tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u1ea5u tr\u00fac, h\u00e0nh vi v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cha.<\/li>\n<\/ul>\n
![\"Use](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/08-business-use-case-diagram-example.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/h2>\n\n- Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c theo chu\u1ed7i th\u1eddi gian. N\u00f3 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c trong m\u1ed9t k\u1ecbch b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 h\u1ee3p t\u00e1c \u0111\u1ed9ng gi\u1eefa nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch m\u00f4 t\u1ea3 chu\u1ed7i th\u1eddi gian c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n
![\"Sequence](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/Sequence-Diagram-Object-Creation-and-Deletion.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng m\u00f4 t\u1ea3 quy tr\u00ecnh th\u1ef1c hi\u1ec7n c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh c\u1ee5 th\u1ec3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n quy tr\u00ecnh l\u00e0m vi\u1ec7c kinh doanh ho\u1eb7c s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n
![\"SysML:](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/1_activity-diagram-explained.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng g\u1eedi v\u00e0 nh\u1eadn th\u00f4ng \u0111i\u1ec7p, nh\u1ea5n m\u1ea1nh m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n l\u00e0 th\u1ee9 t\u1ef1 th\u1eddi gian. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n
![\"What](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/collaboration-diagram-example.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 h\u00ecnh h\u00e0nh vi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t, ch\u1ec9 ra th\u1ee9 t\u1ef1 m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c hi\u1ec7n c\u00e1c s\u1ef1 ki\u1ec7n li\u00ean quan \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau c\u1ee7a c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n
![\"All](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/state-machine-diagram-explained.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ee7a bi\u1ec3u \u0111\u1ed3 l\u1edbp, l\u00e0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p tr\u1ea1ng th\u00e1i chi ti\u1ebft c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
![\"What](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/07-object-diagram-example-company-structure.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 g\u00f3i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 g\u00f3i, m\u1ed9t lo\u1ea1i bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac, cho th\u1ea5y s\u1ef1 s\u1eafp x\u1ebfp v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh trong d\u1ef1 \u00e1n quy m\u00f4 trung b\u00ecnh \u0111\u1ebfn l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i.<\/p>\n
![\"Simple](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-simple-package-diagram-example.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n m\u00f4 t\u1ea3 c\u00e1c giao di\u1ec7n, c\u1ed5ng, v.v. \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng, c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n
![\"What](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-component-diagram-overview.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai m\u00f4 t\u1ea3 c\u00e1ch ph\u1ea7n m\u1ec1m b\u00ean trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i tr\u00ean c\u00e1c n\u00fat kh\u00e1c nhau. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 \u00e1nh x\u1ea1 gi\u1eefa ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng.<\/p>\n
![\"Deployment](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-deployment-diagram-notations.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t \u201cc\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. \u201cC\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng, ho\u1eb7c to\u00e0n b\u1ed9. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n \u201cc\u1ea5u tr\u00fac k\u1ebft h\u1ee3p\u201d logic trong h\u1ec7 th\u1ed1ng.<\/p>\n
![\"What](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-simple-composite-structure-diagram.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ed7 n\u00f3 cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng cao cho m\u1ed9t m\u00f4 h\u00ecnh t\u01b0\u01a1ng t\u00e1c. N\u00f3 l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng trong \u0111\u00f3 c\u00e1c n\u00fat l\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c ho\u1eb7c t\u00ecnh hu\u1ed1ng m\u00e0 trong \u0111\u00f3 c\u00e1c t\u01b0\u01a1ng t\u00e1c x\u1ea3y ra. N\u00f3 t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1c th\u1ea3o lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u1ed9t t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng gi\u1eefa c\u00e1c bi\u1ec3u \u0111\u1ed3.<\/p>\n
![\"Interaction](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-interaction-overview-diagram-example.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 th\u1eddi gian l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u1eddi gian \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 thay \u0111\u1ed5i trong gi\u00e1 tr\u1ecb ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eed theo th\u1eddi gian. N\u00f3 c\u0169ng cho th\u1ea5y c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c s\u1ef1 ki\u1ec7n c\u00f3 th\u1eddi gian v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 th\u1eddi gian v\u00e0 th\u1eddi h\u1ea1n \u0111i\u1ec1u khi\u1ec3n ch\u00fang.M\u1ed9t c\u00e1i nh\u00ecn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i ho\u1eb7c gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed thay \u0111\u1ed5i theo th\u1eddi gian.<\/span><\/p>\n![\"Timing](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/Timing-Diagram-State-or-Condition-Lifeline-vs-General-Value-Lifeline.png\"\/)
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng chung \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1c m\u00f4 h\u00ecnh UML cho c\u00e1c mi\u1ec1n v\u00e0 n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3.N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh UML trong m\u1ed9t mi\u1ec1n c\u1ee5 th\u1ec3.<\/span><\/p>\n![\"Profile](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/05-ejb-profile.png\"\/)
<\/p>\n\nUML c\u00f3 l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p kh\u00f4ng?<\/h2>\n
UML th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 l\u1edbn. UML cung c\u1ea5p m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn k\u00fd hi\u1ec7u bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1ee3c nh\u00f3m th\u00e0nh 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c m\u00f4 h\u00ecnh UML kh\u00e1c nhau, ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a nhu c\u1ea7u ph\u00e1t tri\u1ec3n.<\/p>\n
\n- M\u1ed7i bi\u1ec3u \u0111\u1ed3 UML trong 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML cung c\u1ea5p m\u1ed9t t\u1eadp h\u1ee3p l\u1edbn c\u00e1c c\u1ea5u tr\u00fac v\u00e0 k\u00fd hi\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau cho h\u1ea7u h\u1ebft c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/li>\n
- Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt UML c\u00f3 h\u01a1n 700 trang, v\u00e0 r\u00f5 r\u00e0ng \u0111\u01b0\u1ee3c coi l\u00e0 qu\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn nh\u1eadn th\u1ee9c v\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng UML.<\/li>\n
- Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 xu h\u01b0\u1edbng ch\u1ec9 xem x\u00e9t v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c bi\u1ec3u \u0111\u1ed3\/c\u1ea5u tr\u00fac c\u1ee7a UML.<\/li>\n<\/ul>\n<\/section>\n
\nH\u1ecdc c\u00e1c bi\u1ec3u \u0111\u1ed3 v\u00e0 k\u00fd hi\u1ec7u UML thi\u1ebft y\u1ebfu nh\u1ea5t<\/h2>\n
Grady Booch, m\u1ed9t trong nh\u1eefng nh\u00e0 ph\u00e1t tri\u1ec3n quan tr\u1ecdng nh\u1ea5t c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t, \u0111\u00e3 tuy\u00ean b\u1ed1 r\u1eb1ng \u201c\u0110\u1ed1i v\u1edbi 80% t\u1ea5t c\u1ea3 ph\u1ea7n m\u1ec1m, ch\u1ec9 c\u1ea7n 20% UML\u201d.<\/p>\n<\/section>\n\nC\u00e1c tr\u1ea1ng th\u00e1i c\u1ee7a Kh\u1ea3o s\u00e1t UML l\u00e0 g\u00ec?<\/h2>\n
Ch\u00fang ta c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 c\u1ee7a kh\u1ea3o s\u00e1t UML b\u1eb1ng c\u00e1ch gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng, n\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 l\u00e0<\/p>\n
\n- \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, n\u1ebfu n\u00f3 \u2265 60% c\u00e1c ngu\u1ed3n<\/li>\n
- \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1ebfu n\u00f3 \u2264 40% c\u00e1c ngu\u1ed3n<\/li>\n<\/ul>\n<\/div>\n
![\"Activity](\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/03\/02-popularity-of-different-uml-diagram-types.png\"\/)
<\/p>\n
<\/div>\n<\/section>\n\nL\u1eadp k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u1ee7a b\u1ea1n<\/h3>\n
D\u1ef1a tr\u00ean c\u00e1c s\u1ed1 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c trong kh\u1ea3o s\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 \u00fd t\u01b0\u1edfng t\u1ed1t h\u01a1n v\u1ec1 c\u00e1ch b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh h\u1ecdc UML c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u00f3 \u00fd ngh\u0129a!<\/p>\n<\/section>\n
th\u00eam<\/p>\n
T\u00e0i nguy\u00ean Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t (UML):<\/h4>\n\n- UML l\u00e0 g\u00ec?<\/a><\/li>\n
- T\u1ea1i sao l\u1ea1i m\u00f4 h\u00ecnh h\u00f3a UML?<\/a><\/li>\n
- T\u1ed5ng quan v\u1ec1 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 h\u1ee3p t\u00e1c UML l\u00e0 g\u00ec?<\/a><\/li>\n
- Li\u00ean k\u1ebft UML so v\u1edbi T\u1eadp h\u1ee3p so v\u1edbi Th\u00e0nh ph\u1ea7n<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn Bi\u1ec3u \u0111\u1ed3 l\u1edbp UML<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c r\u00e0ng bu\u1ed9c trong UML?<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i so v\u1edbi Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c di\u1ec5n vi\u00ean?<\/a><\/li>\n
- C\u00e1c lo\u1ea1i di\u1ec5n vi\u00ean trong m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a><\/li>\n
- M\u00f4 h\u00ecnh-View v\u00e0 Control l\u00e0 g\u00ec?<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a khung MVC v\u1edbi Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML?<\/a><\/li>\n
- UML \u2013 Bi\u1ec3u \u0111\u1ed3 h\u00e0nh vi so v\u1edbi Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac<\/a><\/li>\n
- C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng UML l\u00e0 g\u00ec?<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh UML \u2013 T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a UML<\/a><\/li>\n
- M\u00f4 h\u00ecnh h\u00f3a UML, Quy tr\u00ecnh v\u00e0 C\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m<\/a><\/li>\n
- UML \u2013 M\u00f4 h\u00ecnh h\u00f3a Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c g\u00f3i<\/a><\/li>\n
- T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Bi\u1ec3u \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
UML l\u00e0 g\u00ec? UML l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Unified Model Language, l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a ti\u00eau chu\u1ea9n<\/p>\n","protected":false},"author":1,"featured_media":9660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[13,3],"tags":[],"class_list":["post-9608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagrams","category-unified-modeling-language"],"yoast_head":"\n
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<\/p>\n
14 lo\u1ea1i s\u01a1 \u0111\u1ed3 UML<\/h2>\n\n- S\u01a1 \u0111\u1ed3 l\u1edbp<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 t\u0129nh m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb c\u00e1c l\u1edbp c\u1ee7a n\u00f3 v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh c\u0169ng nh\u01b0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang, c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a>bao g\u1ed3m c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, vai tr\u00f2 v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 cho th\u1ea5y c\u00e1ch ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/a>l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh cho vi\u1ec7c giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo c\u00e1ch tu\u1ea7n t\u1ef1. N\u00f3 cho th\u1ea5y th\u1ee9 t\u1ef1 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, l\u1edbp v\u00e0 vai tr\u00f2 c\u0169ng nh\u01b0 th\u00f4ng tin li\u00ean quan trong m\u1ed9t k\u1ecbch b\u1ea3n. N\u00f3 bao g\u1ed3m c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng thu\u1ed9c v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng ngang c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p.<\/li>\n
- S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 h\u00e0nh vi cho th\u1ea5y m\u1ed9t k\u1ecbch b\u1ea3n d\u01b0\u1edbi d\u1ea1ng lu\u1ed3ng h\u00e0nh \u0111\u1ed9ng. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t chu\u1ed7i h\u00e0nh \u0111\u1ed9ng, c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n, c\u00e1c nh\u00e1nh \u0111\u1ed3ng th\u1eddi v\u00e0 c\u00e1c v\u00f2ng l\u1eb7p kh\u00e1c nhau.<\/li>\n
- S\u01a1 \u0111\u1ed3 giao ti\u1ebfp<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 giao ti\u1ebfp<\/a>cho th\u1ea5y s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u00e1c ph\u1ea7n d\u01b0\u1edbi d\u1ea1ng th\u00f4ng \u0111i\u1ec7p, \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng. M\u1ed9t s\u01a1 \u0111\u1ed3 giao ti\u1ebfp l\u00e0 m\u1ed9t d\u1ea1ng s\u1eeda \u0111\u1ed5i c\u1ee7a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML, nh\u01b0ng kh\u00e1c v\u1edbi n\u00f3 \u1edf ch\u1ed7 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a n\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u ngang v\u00e0 c\u00f3 th\u1ec3 c\u00f3 b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong s\u01a1 \u0111\u1ed3.<\/li>\n
- S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/a>m\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t th\u1ef1c th\u1ec3 (thi\u1ebft b\u1ecb, quy tr\u00ecnh, ch\u01b0\u01a1ng tr\u00ecnh, ph\u1ea7n m\u1ec1m, m\u00f4-\u0111un, v.v.) v\u00e0 c\u00e1c chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i. C\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh khi n\u00e0o m\u1ed9t chuy\u1ec3n ti\u1ebfp t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/a>l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 UML c\u00f3 c\u1ea5u tr\u00fac. N\u00f3 m\u00f4 t\u1ea3 m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c c\u00e1c ph\u1ea7n c\u1ee7a n\u00f3 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u1ec3 hi\u1ec7n, gi\u00e1 tr\u1ecb v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c v\u00ed d\u1ee5 v\u1ec1 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u.<\/li>\n
- S\u01a1 \u0111\u1ed3 g\u00f3i<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 g\u00f3i<\/a>cho th\u1ea5y c\u00e1c ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i trong m\u1ed9t m\u00f4 h\u00ecnh. N\u00f3 m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c d\u1ef1 \u00e1n quy m\u00f4 l\u1edbn.<\/li>\n
- S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/strong> \u2013 M\u1ed9t s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/a>cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn v\u1ec1 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c giao di\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0\/ho\u1eb7c y\u00eau c\u1ea7u b\u1edfi c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n. C\u00e1c ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 c\u00e1c hi\u1ec7n v\u1eadt kh\u00e1c.<\/li>\n
- S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/strong> \u2013 S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/a>m\u00f4 t\u1ea3 vi\u1ec7c tri\u1ec3n khai c\u00e1c hi\u1ec7n v\u1eadt tr\u00ean m\u1ed9t n\u00fat m\u1ea1ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed c\u1ee7a c\u00e1c hi\u1ec7n v\u1eadt (ph\u1ea7n m\u1ec1m, h\u1ec7 th\u1ed1ng, m\u00f4-\u0111un, v.v.) tr\u00ean c\u00e1c n\u00fat v\u1eadt l\u00fd (ph\u1ea7n c\u1ee9ng, m\u00e1y ch\u1ee7, c\u01a1 s\u1edf d\u1eef li\u1ec7u, v.v.) v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a gi\u1ea3i ph\u00e1p.<\/li>\n
- S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p<\/strong> \u2013 S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p<\/a>cho th\u1ea5y c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t ph\u00e2n lo\u1ea1i, c\u00e1c ph\u1ea7n v\u00e0 c\u1ed5ng c\u1ee7a n\u00f3, th\u00f4ng qua \u0111\u00f3 n\u00f3 giao ti\u1ebfp v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a m\u00ecnh. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 h\u1ee3p t\u00e1c, n\u01a1i m\u1ed7i ph\u1ea7n t\u1eed c\u00f3 vai tr\u00f2 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n
- t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c<\/strong> \u2013 S\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c<\/a>cung c\u1ea5p c\u00e1i nh\u00ecn c\u1ea5p cao v\u1ec1 c\u00e1c t\u01b0\u01a1ng t\u00e1c trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c ph\u00e2n h\u1ec7. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c kh\u00e1c v\u00e0 c\u00e1c tham chi\u1ebfu t\u01b0\u01a1ng t\u00e1c thay v\u00ec c\u00e1c n\u00fat h\u00e0nh \u0111\u1ed9ng.<\/li>\n
- S\u01a1 \u0111\u1ed3 th\u1eddi gian<\/strong> \u2013 S\u01a1 \u0111\u1ed3 th\u1eddi gian<\/a>t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o th\u1eddi gian, v\u00e0 n\u00f3 m\u00f4 t\u1ea3 nh\u1eefng thay \u0111\u1ed5i trong ph\u00e2n lo\u1ea1i tr\u00ean m\u1ed9t d\u00f2ng th\u1eddi gian. C\u00e1c d\u00f2ng th\u1eddi gian \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau theo chi\u1ec1u d\u1ecdc, v\u1edbi th\u1eddi gian t\u0103ng d\u1ea7n t\u1eeb tr\u00e1i sang ph\u1ea3i.<\/li>\n
- h\u1ed3 s\u01a1<\/strong> \u2013 S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1<\/a>m\u00f4 t\u1ea3 v\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng cho ng\u00f4n ng\u1eef UML. C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh ng\u00f4n ng\u1eef cho m\u1ed9t mi\u1ec1n ho\u1eb7c n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3. C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng c\u00e1ch ph\u00e2n lo\u1ea1i.<\/li>\n<\/ol>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a c\u1ed1t l\u00f5i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp m\u00f4 t\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 t\u0129nh kh\u00e1c nhau t\u1ed3n t\u1ea1i gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u0129nh c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/p>\n
\n- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 k\u1ebf th\u1eeba, cho th\u1ea5y r\u1eb1ng m\u1ed9t l\u1edbp con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a l\u1edbp cha. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o l\u1edbp cha.<\/li>\n
- M\u1ed1i quan h\u1ec7 hi\u1ec7n th\u1ef1c h\u00f3a<\/strong> l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t l\u1edbp v\u00e0 m\u1ed9t giao di\u1ec7n, cho th\u1ea5y r\u1eb1ng l\u1edbp \u0111\u00f3 l\u00e0 s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a giao di\u1ec7n.<\/span>M\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o giao di\u1ec7n.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1edf h\u1eefu, cho ph\u00e9p m\u1ed9t l\u1edbp bi\u1ebft c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c.<\/span>M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ch\u1ee7 s\u1edf h\u1eefu.<\/span>C\u00e1c li\u00ean k\u1ebft hai chi\u1ec1u c\u00f3 th\u1ec3 c\u00f3 hai m\u0169i t\u00ean ho\u1eb7c kh\u00f4ng c\u00f3 m\u0169i t\u00ean.<\/span>M\u1ed9t li\u00ean k\u1ebft \u0111\u01a1n chi\u1ec1u c\u00f3 m\u1ed9t m\u0169i t\u00ean.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. V\u00e0 ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft v\u00e0 l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft m\u1ea1nh; li\u00ean k\u1ebft v\u00e0 t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1ec1 m\u1eb7t ng\u1eef ph\u00e1p, v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 logic c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t. \u0110\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi c\u00e1c h\u00ecnh thoi r\u1ed7ng, c\u00e1c h\u00ecnh thoi r\u1ed7ng ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 th\u00e0nh ph\u1ea7n<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. Nh\u01b0ng ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, m\u1ea1nh h\u01a1n m\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t h\u00ecnh thoi \u0111\u1eb7c, ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1eed d\u1ee5ng, t\u1ee9c l\u00e0, vi\u1ec7c th\u1ef1c hi\u1ec7n m\u1ed9t l\u1edbp y\u00eau c\u1ea7u s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c. N\u00f3 l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng, c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n
\u00a0<\/p>\n
<\/p>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng bao g\u1ed3m c\u00e1c di\u1ec5n vi\u00ean, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, ranh gi\u1edbi v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ee9a ba m\u1ed1i quan h\u1ec7 sau:<\/p>\n
\n- M\u1ed1i quan h\u1ec7 bao g\u1ed3m s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cbao g\u1ed3m\u201d. N\u1ebfu b\u1ea1n mu\u1ed1n xem danh s\u00e1ch \u0111\u01a1n h\u00e0ng, b\u1ea1n c\u1ea7n \u0111\u0103ng nh\u1eadp tr\u01b0\u1edbc.<\/li>\n
- M\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cm\u1edf r\u1ed9ng\u201d. D\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng truy v\u1ea5n danh s\u00e1ch \u0111\u01a1n h\u00e0ng, m\u1ed9t ch\u1ee9c n\u0103ng xu\u1ea5t d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t, tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u1ea5u tr\u00fac, h\u00e0nh vi v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cha.<\/li>\n<\/ul>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/h2>\n\n- Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c theo chu\u1ed7i th\u1eddi gian. N\u00f3 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c trong m\u1ed9t k\u1ecbch b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 h\u1ee3p t\u00e1c \u0111\u1ed9ng gi\u1eefa nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch m\u00f4 t\u1ea3 chu\u1ed7i th\u1eddi gian c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng m\u00f4 t\u1ea3 quy tr\u00ecnh th\u1ef1c hi\u1ec7n c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh c\u1ee5 th\u1ec3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n quy tr\u00ecnh l\u00e0m vi\u1ec7c kinh doanh ho\u1eb7c s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng g\u1eedi v\u00e0 nh\u1eadn th\u00f4ng \u0111i\u1ec7p, nh\u1ea5n m\u1ea1nh m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n l\u00e0 th\u1ee9 t\u1ef1 th\u1eddi gian. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 h\u00ecnh h\u00e0nh vi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t, ch\u1ec9 ra th\u1ee9 t\u1ef1 m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c hi\u1ec7n c\u00e1c s\u1ef1 ki\u1ec7n li\u00ean quan \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau c\u1ee7a c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ee7a bi\u1ec3u \u0111\u1ed3 l\u1edbp, l\u00e0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p tr\u1ea1ng th\u00e1i chi ti\u1ebft c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 g\u00f3i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 g\u00f3i, m\u1ed9t lo\u1ea1i bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac, cho th\u1ea5y s\u1ef1 s\u1eafp x\u1ebfp v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh trong d\u1ef1 \u00e1n quy m\u00f4 trung b\u00ecnh \u0111\u1ebfn l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n m\u00f4 t\u1ea3 c\u00e1c giao di\u1ec7n, c\u1ed5ng, v.v. \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng, c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai m\u00f4 t\u1ea3 c\u00e1ch ph\u1ea7n m\u1ec1m b\u00ean trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i tr\u00ean c\u00e1c n\u00fat kh\u00e1c nhau. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 \u00e1nh x\u1ea1 gi\u1eefa ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t \u201cc\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. \u201cC\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng, ho\u1eb7c to\u00e0n b\u1ed9. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n \u201cc\u1ea5u tr\u00fac k\u1ebft h\u1ee3p\u201d logic trong h\u1ec7 th\u1ed1ng.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ed7 n\u00f3 cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng cao cho m\u1ed9t m\u00f4 h\u00ecnh t\u01b0\u01a1ng t\u00e1c. N\u00f3 l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng trong \u0111\u00f3 c\u00e1c n\u00fat l\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c ho\u1eb7c t\u00ecnh hu\u1ed1ng m\u00e0 trong \u0111\u00f3 c\u00e1c t\u01b0\u01a1ng t\u00e1c x\u1ea3y ra. N\u00f3 t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1c th\u1ea3o lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u1ed9t t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng gi\u1eefa c\u00e1c bi\u1ec3u \u0111\u1ed3.<\/p>\n
<\/p>\n
Bi\u1ec3u \u0111\u1ed3 th\u1eddi gian l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u1eddi gian \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 thay \u0111\u1ed5i trong gi\u00e1 tr\u1ecb ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eed theo th\u1eddi gian. N\u00f3 c\u0169ng cho th\u1ea5y c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c s\u1ef1 ki\u1ec7n c\u00f3 th\u1eddi gian v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 th\u1eddi gian v\u00e0 th\u1eddi h\u1ea1n \u0111i\u1ec1u khi\u1ec3n ch\u00fang.M\u1ed9t c\u00e1i nh\u00ecn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i ho\u1eb7c gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed thay \u0111\u1ed5i theo th\u1eddi gian.<\/span><\/p>\n<\/p>\n
Bi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng chung \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1c m\u00f4 h\u00ecnh UML cho c\u00e1c mi\u1ec1n v\u00e0 n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3.N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh UML trong m\u1ed9t mi\u1ec1n c\u1ee5 th\u1ec3.<\/span><\/p>\n<\/p>\n\nUML c\u00f3 l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p kh\u00f4ng?<\/h2>\n
UML th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 l\u1edbn. UML cung c\u1ea5p m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn k\u00fd hi\u1ec7u bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1ee3c nh\u00f3m th\u00e0nh 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c m\u00f4 h\u00ecnh UML kh\u00e1c nhau, ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a nhu c\u1ea7u ph\u00e1t tri\u1ec3n.<\/p>\n
\n- M\u1ed7i bi\u1ec3u \u0111\u1ed3 UML trong 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML cung c\u1ea5p m\u1ed9t t\u1eadp h\u1ee3p l\u1edbn c\u00e1c c\u1ea5u tr\u00fac v\u00e0 k\u00fd hi\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau cho h\u1ea7u h\u1ebft c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/li>\n
- Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt UML c\u00f3 h\u01a1n 700 trang, v\u00e0 r\u00f5 r\u00e0ng \u0111\u01b0\u1ee3c coi l\u00e0 qu\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn nh\u1eadn th\u1ee9c v\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng UML.<\/li>\n
- Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 xu h\u01b0\u1edbng ch\u1ec9 xem x\u00e9t v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c bi\u1ec3u \u0111\u1ed3\/c\u1ea5u tr\u00fac c\u1ee7a UML.<\/li>\n<\/ul>\n<\/section>\n
\nH\u1ecdc c\u00e1c bi\u1ec3u \u0111\u1ed3 v\u00e0 k\u00fd hi\u1ec7u UML thi\u1ebft y\u1ebfu nh\u1ea5t<\/h2>\n
Grady Booch, m\u1ed9t trong nh\u1eefng nh\u00e0 ph\u00e1t tri\u1ec3n quan tr\u1ecdng nh\u1ea5t c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t, \u0111\u00e3 tuy\u00ean b\u1ed1 r\u1eb1ng \u201c\u0110\u1ed1i v\u1edbi 80% t\u1ea5t c\u1ea3 ph\u1ea7n m\u1ec1m, ch\u1ec9 c\u1ea7n 20% UML\u201d.<\/p>\n<\/section>\n\nC\u00e1c tr\u1ea1ng th\u00e1i c\u1ee7a Kh\u1ea3o s\u00e1t UML l\u00e0 g\u00ec?<\/h2>\n
Ch\u00fang ta c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 c\u1ee7a kh\u1ea3o s\u00e1t UML b\u1eb1ng c\u00e1ch gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng, n\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 l\u00e0<\/p>\n
\n- \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, n\u1ebfu n\u00f3 \u2265 60% c\u00e1c ngu\u1ed3n<\/li>\n
- \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1ebfu n\u00f3 \u2264 40% c\u00e1c ngu\u1ed3n<\/li>\n<\/ul>\n<\/div>\n
<\/p>\n
<\/div>\n<\/section>\n\nL\u1eadp k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u1ee7a b\u1ea1n<\/h3>\n
D\u1ef1a tr\u00ean c\u00e1c s\u1ed1 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c trong kh\u1ea3o s\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 \u00fd t\u01b0\u1edfng t\u1ed1t h\u01a1n v\u1ec1 c\u00e1ch b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh h\u1ecdc UML c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u00f3 \u00fd ngh\u0129a!<\/p>\n<\/section>\n
th\u00eam<\/p>\n
T\u00e0i nguy\u00ean Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t (UML):<\/h4>\n\n- UML l\u00e0 g\u00ec?<\/a><\/li>\n
- T\u1ea1i sao l\u1ea1i m\u00f4 h\u00ecnh h\u00f3a UML?<\/a><\/li>\n
- T\u1ed5ng quan v\u1ec1 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 h\u1ee3p t\u00e1c UML l\u00e0 g\u00ec?<\/a><\/li>\n
- Li\u00ean k\u1ebft UML so v\u1edbi T\u1eadp h\u1ee3p so v\u1edbi Th\u00e0nh ph\u1ea7n<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn Bi\u1ec3u \u0111\u1ed3 l\u1edbp UML<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c r\u00e0ng bu\u1ed9c trong UML?<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i so v\u1edbi Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c di\u1ec5n vi\u00ean?<\/a><\/li>\n
- C\u00e1c lo\u1ea1i di\u1ec5n vi\u00ean trong m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a><\/li>\n
- M\u00f4 h\u00ecnh-View v\u00e0 Control l\u00e0 g\u00ec?<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a khung MVC v\u1edbi Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML?<\/a><\/li>\n
- UML \u2013 Bi\u1ec3u \u0111\u1ed3 h\u00e0nh vi so v\u1edbi Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac<\/a><\/li>\n
- C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng UML l\u00e0 g\u00ec?<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh UML \u2013 T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a UML<\/a><\/li>\n
- M\u00f4 h\u00ecnh h\u00f3a UML, Quy tr\u00ecnh v\u00e0 C\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m<\/a><\/li>\n
- UML \u2013 M\u00f4 h\u00ecnh h\u00f3a Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c g\u00f3i<\/a><\/li>\n
- T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Bi\u1ec3u \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
UML l\u00e0 g\u00ec? UML l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Unified Model Language, l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a ti\u00eau chu\u1ea9n<\/p>\n","protected":false},"author":1,"featured_media":9660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[13,3],"tags":[],"class_list":["post-9608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagrams","category-unified-modeling-language"],"yoast_head":"\n
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S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a c\u1ed1t l\u00f5i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp m\u00f4 t\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 t\u0129nh kh\u00e1c nhau t\u1ed3n t\u1ea1i gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u0129nh c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/p>\n
- \n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 k\u1ebf th\u1eeba, cho th\u1ea5y r\u1eb1ng m\u1ed9t l\u1edbp con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a l\u1edbp cha. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o l\u1edbp cha.<\/li>\n
- M\u1ed1i quan h\u1ec7 hi\u1ec7n th\u1ef1c h\u00f3a<\/strong> l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t l\u1edbp v\u00e0 m\u1ed9t giao di\u1ec7n, cho th\u1ea5y r\u1eb1ng l\u1edbp \u0111\u00f3 l\u00e0 s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a giao di\u1ec7n.<\/span>M\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o giao di\u1ec7n.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1edf h\u1eefu, cho ph\u00e9p m\u1ed9t l\u1edbp bi\u1ebft c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c.<\/span>M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ch\u1ee7 s\u1edf h\u1eefu.<\/span>C\u00e1c li\u00ean k\u1ebft hai chi\u1ec1u c\u00f3 th\u1ec3 c\u00f3 hai m\u0169i t\u00ean ho\u1eb7c kh\u00f4ng c\u00f3 m\u0169i t\u00ean.<\/span>M\u1ed9t li\u00ean k\u1ebft \u0111\u01a1n chi\u1ec1u c\u00f3 m\u1ed9t m\u0169i t\u00ean.<\/span><\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. V\u00e0 ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. M\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft v\u00e0 l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft m\u1ea1nh; li\u00ean k\u1ebft v\u00e0 t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1ec1 m\u1eb7t ng\u1eef ph\u00e1p, v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 logic c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t. \u0110\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi c\u00e1c h\u00ecnh thoi r\u1ed7ng, c\u00e1c h\u00ecnh thoi r\u1ed7ng ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 th\u00e0nh ph\u1ea7n<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t to\u00e0n th\u1ec3 v\u00e0 m\u1ed9t ph\u1ea7n. Nh\u01b0ng ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, m\u1ea1nh h\u01a1n m\u1ed1i quan h\u1ec7 t\u1ed5ng h\u1ee3p. M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1eb7c v\u1edbi m\u1ed9t h\u00ecnh thoi \u0111\u1eb7c, ch\u1ec9 v\u00e0o to\u00e0n th\u1ec3.<\/li>\n
- M\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c<\/strong>l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 s\u1eed d\u1ee5ng, t\u1ee9c l\u00e0, vi\u1ec7c th\u1ef1c hi\u1ec7n m\u1ed9t l\u1edbp y\u00eau c\u1ea7u s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a m\u1ed9t l\u1edbp kh\u00e1c. N\u00f3 l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng, c\u00e1c m\u0169i t\u00ean th\u00f4ng th\u01b0\u1eddng ch\u1ec9 v\u00e0o ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n
\u00a0<\/p>\n
<\/p>\nS\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/h2>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng bao g\u1ed3m c\u00e1c di\u1ec5n vi\u00ean, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, ranh gi\u1edbi v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n
S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ee9a ba m\u1ed1i quan h\u1ec7 sau:<\/p>\n
- \n
- M\u1ed1i quan h\u1ec7 bao g\u1ed3m s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cbao g\u1ed3m\u201d. N\u1ebfu b\u1ea1n mu\u1ed1n xem danh s\u00e1ch \u0111\u01a1n h\u00e0ng, b\u1ea1n c\u1ea7n \u0111\u0103ng nh\u1eadp tr\u01b0\u1edbc.<\/li>\n
- M\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u \u201cm\u1edf r\u1ed9ng\u201d. D\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng truy v\u1ea5n danh s\u00e1ch \u0111\u01a1n h\u00e0ng, m\u1ed9t ch\u1ee9c n\u0103ng xu\u1ea5t d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/li>\n
- M\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t, tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 c\u1ea5u tr\u00fac, h\u00e0nh vi v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cha.<\/li>\n<\/ul>\n<\/p>\n
Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/h2>\n
- \n
- Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c theo chu\u1ed7i th\u1eddi gian. N\u00f3 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c trong m\u1ed9t k\u1ecbch b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 h\u1ee3p t\u00e1c \u0111\u1ed9ng gi\u1eefa nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch m\u00f4 t\u1ea3 chu\u1ed7i th\u1eddi gian c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<\/p>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng m\u00f4 t\u1ea3 quy tr\u00ecnh th\u1ef1c hi\u1ec7n c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh c\u1ee5 th\u1ec3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n quy tr\u00ecnh l\u00e0m vi\u1ec7c kinh doanh ho\u1eb7c s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 giao ti\u1ebfp m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng g\u1eedi v\u00e0 nh\u1eadn th\u00f4ng \u0111i\u1ec7p, nh\u1ea5n m\u1ea1nh m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n l\u00e0 th\u1ee9 t\u1ef1 th\u1eddi gian. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 h\u00ecnh h\u00e0nh vi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t, ch\u1ec9 ra th\u1ee9 t\u1ef1 m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c hi\u1ec7n c\u00e1c s\u1ef1 ki\u1ec7n li\u00ean quan \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau c\u1ee7a c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ee7a bi\u1ec3u \u0111\u1ed3 l\u1edbp, l\u00e0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p tr\u1ea1ng th\u00e1i chi ti\u1ebft c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa hai ho\u1eb7c nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 g\u00f3i l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 g\u00f3i, m\u1ed9t lo\u1ea1i bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac, cho th\u1ea5y s\u1ef1 s\u1eafp x\u1ebfp v\u00e0 t\u1ed5 ch\u1ee9c c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh trong d\u1ef1 \u00e1n quy m\u00f4 trung b\u00ecnh \u0111\u1ebfn l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c g\u00f3i.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n m\u00f4 t\u1ea3 c\u00e1c giao di\u1ec7n, c\u1ed5ng, v.v. \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng, c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai m\u00f4 t\u1ea3 c\u00e1ch ph\u1ea7n m\u1ec1m b\u00ean trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i tr\u00ean c\u00e1c n\u00fat kh\u00e1c nhau. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 \u00e1nh x\u1ea1 gi\u1eefa ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t \u201cc\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. \u201cC\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p\u201d n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng, ho\u1eb7c to\u00e0n b\u1ed9. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n \u201cc\u1ea5u tr\u00fac k\u1ebft h\u1ee3p\u201d logic trong h\u1ec7 th\u1ed1ng.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ed7 n\u00f3 cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng cao cho m\u1ed9t m\u00f4 h\u00ecnh t\u01b0\u01a1ng t\u00e1c. N\u00f3 l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng trong \u0111\u00f3 c\u00e1c n\u00fat l\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c ho\u1eb7c t\u00ecnh hu\u1ed1ng m\u00e0 trong \u0111\u00f3 c\u00e1c t\u01b0\u01a1ng t\u00e1c x\u1ea3y ra. N\u00f3 t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1c th\u1ea3o lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u1ed9t t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng gi\u1eefa c\u00e1c bi\u1ec3u \u0111\u1ed3.<\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 th\u1eddi gian l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 th\u1eddi gian \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb s\u1ef1 thay \u0111\u1ed5i trong gi\u00e1 tr\u1ecb ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eed theo th\u1eddi gian. N\u00f3 c\u0169ng cho th\u1ea5y c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c s\u1ef1 ki\u1ec7n c\u00f3 th\u1eddi gian v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 th\u1eddi gian v\u00e0 th\u1eddi h\u1ea1n \u0111i\u1ec1u khi\u1ec3n ch\u00fang.M\u1ed9t c\u00e1i nh\u00ecn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i ho\u1eb7c gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed thay \u0111\u1ed5i theo th\u1eddi gian.<\/span><\/p>\n
<\/p>\nBi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 l\u00e0 g\u00ec?<\/h2>\n
Bi\u1ec3u \u0111\u1ed3 h\u1ed3 s\u01a1 cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng chung \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1c m\u00f4 h\u00ecnh UML cho c\u00e1c mi\u1ec1n v\u00e0 n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3.N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh UML trong m\u1ed9t mi\u1ec1n c\u1ee5 th\u1ec3.<\/span><\/p>\n
<\/p>\n\n UML c\u00f3 l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p kh\u00f4ng?<\/h2>\n
UML th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 l\u1edbn. UML cung c\u1ea5p m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn k\u00fd hi\u1ec7u bi\u1ec3u \u0111\u1ed3 \u0111\u01b0\u1ee3c nh\u00f3m th\u00e0nh 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c m\u00f4 h\u00ecnh UML kh\u00e1c nhau, ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a nhu c\u1ea7u ph\u00e1t tri\u1ec3n.<\/p>\n
- \n
- M\u1ed7i bi\u1ec3u \u0111\u1ed3 UML trong 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML cung c\u1ea5p m\u1ed9t t\u1eadp h\u1ee3p l\u1edbn c\u00e1c c\u1ea5u tr\u00fac v\u00e0 k\u00fd hi\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau cho h\u1ea7u h\u1ebft c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/li>\n
- Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt UML c\u00f3 h\u01a1n 700 trang, v\u00e0 r\u00f5 r\u00e0ng \u0111\u01b0\u1ee3c coi l\u00e0 qu\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn nh\u1eadn th\u1ee9c v\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng UML.<\/li>\n
- Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 xu h\u01b0\u1edbng ch\u1ec9 xem x\u00e9t v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c bi\u1ec3u \u0111\u1ed3\/c\u1ea5u tr\u00fac c\u1ee7a UML.<\/li>\n<\/ul>\n<\/section>\n
\n H\u1ecdc c\u00e1c bi\u1ec3u \u0111\u1ed3 v\u00e0 k\u00fd hi\u1ec7u UML thi\u1ebft y\u1ebfu nh\u1ea5t<\/h2>\n
Grady Booch, m\u1ed9t trong nh\u1eefng nh\u00e0 ph\u00e1t tri\u1ec3n quan tr\u1ecdng nh\u1ea5t c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t, \u0111\u00e3 tuy\u00ean b\u1ed1 r\u1eb1ng \u201c\u0110\u1ed1i v\u1edbi 80% t\u1ea5t c\u1ea3 ph\u1ea7n m\u1ec1m, ch\u1ec9 c\u1ea7n 20% UML\u201d.<\/p>\n<\/section>\n
\n C\u00e1c tr\u1ea1ng th\u00e1i c\u1ee7a Kh\u1ea3o s\u00e1t UML l\u00e0 g\u00ec?<\/h2>\n
Ch\u00fang ta c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 c\u1ee7a kh\u1ea3o s\u00e1t UML b\u1eb1ng c\u00e1ch gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng, n\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 l\u00e0<\/p>\n
- \n
- \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, n\u1ebfu n\u00f3 \u2265 60% c\u00e1c ngu\u1ed3n<\/li>\n
- \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1ebfu n\u00f3 \u2264 40% c\u00e1c ngu\u1ed3n<\/li>\n<\/ul>\n<\/div>\n<\/p>\n<\/div>\n<\/section>\n
\n L\u1eadp k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u1ee7a b\u1ea1n<\/h3>\n
D\u1ef1a tr\u00ean c\u00e1c s\u1ed1 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c trong kh\u1ea3o s\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 \u00fd t\u01b0\u1edfng t\u1ed1t h\u01a1n v\u1ec1 c\u00e1ch b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh h\u1ecdc UML c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ebf ho\u1ea1ch h\u1ecdc UML c\u00f3 \u00fd ngh\u0129a!<\/p>\n<\/section>\n
th\u00eam<\/p>\n
T\u00e0i nguy\u00ean Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t (UML):<\/h4>\n
- \n
- UML l\u00e0 g\u00ec?<\/a><\/li>\n
- T\u1ea1i sao l\u1ea1i m\u00f4 h\u00ecnh h\u00f3a UML?<\/a><\/li>\n
- T\u1ed5ng quan v\u1ec1 14 lo\u1ea1i bi\u1ec3u \u0111\u1ed3 UML<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 h\u1ee3p t\u00e1c UML l\u00e0 g\u00ec?<\/a><\/li>\n
- Li\u00ean k\u1ebft UML so v\u1edbi T\u1eadp h\u1ee3p so v\u1edbi Th\u00e0nh ph\u1ea7n<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn Bi\u1ec3u \u0111\u1ed3 l\u1edbp UML<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c r\u00e0ng bu\u1ed9c trong UML?<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i so v\u1edbi Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c di\u1ec5n vi\u00ean?<\/a><\/li>\n
- C\u00e1c lo\u1ea1i di\u1ec5n vi\u00ean trong m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a><\/li>\n
- M\u00f4 h\u00ecnh-View v\u00e0 Control l\u00e0 g\u00ec?<\/a><\/li>\n
- L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a khung MVC v\u1edbi Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML?<\/a><\/li>\n
- UML \u2013 Bi\u1ec3u \u0111\u1ed3 h\u00e0nh vi so v\u1edbi Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac<\/a><\/li>\n
- C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng UML l\u00e0 g\u00ec?<\/a><\/li>\n
- H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh UML \u2013 T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a UML<\/a><\/li>\n
- M\u00f4 h\u00ecnh h\u00f3a UML, Quy tr\u00ecnh v\u00e0 C\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m<\/a><\/li>\n
- UML \u2013 M\u00f4 h\u00ecnh h\u00f3a Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c g\u00f3i<\/a><\/li>\n
- T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Bi\u1ec3u \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
UML l\u00e0 g\u00ec? UML l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Unified Model Language, l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a ti\u00eau chu\u1ea9n<\/p>\n","protected":false},"author":1,"featured_media":9660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[13,3],"tags":[],"class_list":["post-9608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagrams","category-unified-modeling-language"],"yoast_head":"\n
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T\u1ea1i sao l\u1ea1i m\u00f4 h\u00ecnh h\u00f3a UML?<\/a><\/li>\n
- UML l\u00e0 g\u00ec?<\/a><\/li>\n
- Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c theo chu\u1ed7i th\u1eddi gian. N\u00f3 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c trong m\u1ed9t k\u1ecbch b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 h\u1ee3p t\u00e1c \u0111\u1ed9ng gi\u1eefa nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch m\u00f4 t\u1ea3 chu\u1ed7i th\u1eddi gian c\u1ee7a c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n
- M\u1ed1i quan h\u1ec7 hi\u1ec7n th\u1ef1c h\u00f3a<\/strong> l\u00e0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ed9t l\u1edbp v\u00e0 m\u1ed9t giao di\u1ec7n, cho th\u1ea5y r\u1eb1ng l\u1edbp \u0111\u00f3 l\u00e0 s\u1ef1 hi\u1ec7n th\u1ef1c h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00e0nh vi c\u1ee7a giao di\u1ec7n.<\/span>M\u1ed9t \u0111\u01b0\u1eddng ch\u1ea5m v\u1edbi m\u1ed9t m\u0169i t\u00ean h\u00ecnh tam gi\u00e1c, m\u0169i t\u00ean ch\u1ec9 v\u00e0o giao di\u1ec7n.<\/span><\/li>\n