{"id":394,"date":"2022-01-25T11:09:02","date_gmt":"2022-01-25T11:09:02","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/?p=394"},"modified":"2025-02-18T13:24:39","modified_gmt":"2025-02-18T05:24:39","slug":"on-the-fly-free-online-uml-software-30-class-diagram-examples","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/on-the-fly-free-online-uml-software-30-class-diagram-examples\/","title":{"rendered":"Ph\u1ea7n m\u1ec1m UML tr\u1ef1c tuy\u1ebfn MI\u1ec4N PH\u00cd: 30 V\u00ed d\u1ee5 v\u1ec1 S\u01a1 \u0111\u1ed3 L\u1edbp"},"content":{"rendered":"<h3 class=\"graf graf--h3 graf-after--h3\" id=\"b1d5\">S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"5198\"> <a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Modeling_Language\" href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Modeling_Language\" rel=\"noopener\" target=\"_blank\">UML<\/a>\u00a0<a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 l\u1edbp<\/a>l\u00e0 m\u1ed9t k\u00fd hi\u1ec7u \u0111\u1ed3 h\u1ecda \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 h\u00ecnh dung c\u00e1c h\u1ec7 th\u1ed1ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. S\u01a1 \u0111\u1ed3 l\u1edbp trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u1ee3p nh\u1ea5t (<a class=\"markup--anchor markup--p-anchor\" data-href=\"http:\/\/www.omg.org\" href=\"http:\/\/www.omg.org\" rel=\"noopener\" target=\"_blank\">UML<\/a>) l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac 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:<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"6898\">c\u00e1c l\u1edbp,<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"ac7e\">c\u00e1c thu\u1ed9c t\u00ednh (ho\u1eb7c T\u00ednh ch\u1ea5t),<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"e54b\">c\u00e1c thao t\u00e1c (ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c),<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"399e\">v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<h3 class=\"graf graf--h3 graf-after--li\" id=\"ebd1\">L\u1edbp l\u00e0 g\u00ec?<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"3523\">M\u1ed9t l\u1edbp l\u00e0 m\u1ed9t b\u1ea3n thi\u1ebft k\u1ebf cho m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp \u0111i \u0111\u00f4i v\u1edbi nhau. Ch\u00fang ta kh\u00f4ng th\u1ec3 n\u00f3i v\u1ec1 m\u1ed9t c\u00e1i m\u00e0 kh\u00f4ng n\u00f3i v\u1ec1 c\u00e1i kia. V\u00e0 to\u00e0n b\u1ed9 \u00fd ngh\u0129a c\u1ee7a Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0110\u1ed1i T\u01b0\u1ee3ng kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, m\u00e0 l\u00e0 v\u1ec1 c\u00e1c l\u1edbp, v\u00ec ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c l\u1edbp \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. V\u00ec v\u1eady, m\u1ed9t l\u1edbp m\u00f4 t\u1ea3 nh\u1eefng g\u00ec m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd l\u00e0, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u00ednh \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"de2b\">Tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c l\u1edbp m\u00f4 t\u1ea3 lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng, trong khi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 c\u00e1c th\u1ec3 hi\u1ec7n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c l\u1edbp. M\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb c\u00f9ng m\u1ed9t b\u1ed9 b\u1ea3n thi\u1ebft k\u1ebf v\u00e0 do \u0111\u00f3 ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n gi\u1ed1ng nhau (thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c). \u00dd ngh\u0129a ti\u00eau chu\u1ea9n l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng &#8211; C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 tr\u1ea1ng th\u00e1i v\u00e0 h\u00e0nh vi.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"af8d\">V\u00ed d\u1ee5<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"aee1\">M\u1ed9t con ch\u00f3 c\u00f3 c\u00e1c tr\u1ea1ng th\u00e1i &#8211; m\u00e0u s\u1eafc, t\u00ean, gi\u1ed1ng c\u0169ng nh\u01b0 h\u00e0nh vi &#8211; v\u1eaby \u0111u\u00f4i, s\u1ee7a, \u0103n. M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t l\u1edbp.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"7186\"><img class=\"graf-image\" data-height=\"444\" data-image-id=\"0*AzoRVDqpPOdXhT2z.png\" data-is-featured=\"true\" data-width=\"630\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0AzoRVDqpPOdXhT2z.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"2292\">K\u00fd hi\u1ec7u l\u1edbp UML<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"52d3\">M\u1ed9t l\u1edbp \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kh\u00e1i ni\u1ec7m bao g\u1ed3m tr\u1ea1ng th\u00e1i (<strong class=\"markup--strong markup--p-strong\">thu\u1ed9c t\u00ednh<\/strong>) v\u00e0 h\u00e0nh vi (<strong class=\"markup--strong markup--p-strong\">c\u00e1c thao t\u00e1c<\/strong>). M\u1ed7i thu\u1ed9c t\u00ednh c\u00f3 m\u1ed9t lo\u1ea1i. M\u1ed7i <strong class=\"markup--strong markup--p-strong\">thao t\u00e1c<\/strong>c\u00f3 m\u1ed9t <strong class=\"markup--strong markup--p-strong\">ch\u1eef k\u00fd<\/strong>.\u00a0<em class=\"markup--em markup--p-em\">T\u00ean l\u1edbp l\u00e0 <\/em><strong class=\"markup--strong markup--p-strong\"><em class=\"markup--em markup--p-em\">th\u00f4ng tin b\u1eaft bu\u1ed9c duy nh\u1ea5t<\/em><\/strong>.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"3661\"><img class=\"graf-image\" data-height=\"162\" data-image-id=\"0*50_6eZnYAD1PnhGV.png\" data-width=\"492\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/050_6eZnYAD1PnhGV.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"2c72\"><strong class=\"markup--strong markup--p-strong\">T\u00ean l\u1edbp:<\/strong><\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"90df\">T\u00ean c\u1ee7a l\u1edbp xu\u1ea5t hi\u1ec7n trong ph\u00e2n v\u00f9ng \u0111\u1ea7u ti\u00ean.<\/li>\n<\/ul>\n<p class=\"graf graf--p graf-after--li\" id=\"4533\"><strong class=\"markup--strong markup--p-strong\">Thu\u1ed9c t\u00ednh l\u1edbp:<\/strong><\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"2e3d\">C\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong ph\u00e2n v\u00f9ng th\u1ee9 hai.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"ab10\">Lo\u1ea1i thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb sau d\u1ea5u hai ch\u1ea5m.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"0bc3\">C\u00e1c thu\u1ed9c t\u00ednh \u00e1nh x\u1ea1 t\u1edbi c\u00e1c bi\u1ebfn th\u00e0nh vi\u00ean (c\u00e1c th\u00e0nh vi\u00ean d\u1eef li\u1ec7u) trong m\u00e3.<\/li>\n<\/ul>\n<p class=\"graf graf--p graf-after--li\" id=\"5617\"><strong class=\"markup--strong markup--p-strong\">C\u00e1c thao t\u00e1c l\u1edbp (Ph\u01b0\u01a1ng th\u1ee9c):<\/strong><\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"975b\">C\u00e1c thao t\u00e1c \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong ph\u00e2n v\u00f9ng th\u1ee9 ba. Ch\u00fang l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 m\u00e0 l\u1edbp cung c\u1ea5p.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"039e\">Lo\u1ea1i tr\u1ea3 v\u1ec1 c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb sau d\u1ea5u hai ch\u1ea5m \u1edf cu\u1ed1i ch\u1eef k\u00fd ph\u01b0\u01a1ng th\u1ee9c.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"9d65\">Lo\u1ea1i tr\u1ea3 v\u1ec1 c\u1ee7a c\u00e1c tham s\u1ed1 ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb sau d\u1ea5u hai ch\u1ea5m theo sau t\u00ean tham s\u1ed1. C\u00e1c thao t\u00e1c \u00e1nh x\u1ea1 t\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c l\u1edbp trong m\u00e3.<\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"1cf0\"><img class=\"graf-image\" data-height=\"150\" data-image-id=\"0*xO6magyGcQTr3sFt.png\" data-width=\"521\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0xO6magyGcQTr3sFt.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"9109\">T\u00ednh kh\u1ea3 thi c\u1ee7a l\u1edbp<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"2500\">C\u00e1c k\u00fd hi\u1ec7u +, &#8211; v\u00e0 # tr\u01b0\u1edbc t\u00ean thu\u1ed9c t\u00ednh v\u00e0 thao t\u00e1c trong m\u1ed9t l\u1edbp bi\u1ec3u th\u1ecb t\u00ednh kh\u1ea3 thi c\u1ee7a thu\u1ed9c t\u00ednh v\u00e0 thao t\u00e1c.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"3b40\"><img class=\"graf-image\" data-height=\"141\" data-image-id=\"0*i7F34_7d1LszXPcp.png\" data-width=\"357\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0i7F34_7d1LszXPcp.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"f6a2\">\u200b<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"f705\">+ bi\u1ec3u th\u1ecb c\u00e1c thu\u1ed9c t\u00ednh ho\u1eb7c thao t\u00e1c c\u00f4ng khai<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"4228\">\u2013 bi\u1ec3u th\u1ecb c\u00e1c thu\u1ed9c t\u00ednh ho\u1eb7c thao t\u00e1c ri\u00eang t\u01b0<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"4d98\"># bi\u1ec3u th\u1ecb c\u00e1c thu\u1ed9c t\u00ednh ho\u1eb7c thao t\u00e1c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7<\/li>\n<\/ul>\n<h3 class=\"graf graf--h3 graf-after--li\" id=\"e3f0\">H\u01b0\u1edbng tham s\u1ed1<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"fb50\">M\u1ed7i tham s\u1ed1 trong m\u1ed9t thao t\u00e1c (ph\u01b0\u01a1ng th\u1ee9c) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 in, <strong class=\"markup--strong markup--p-strong\">out<\/strong> ho\u1eb7c <strong class=\"markup--strong markup--p-strong\">inout<\/strong>\u00a0\u0111i\u1ec1u n\u00e0y x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a n\u00f3 li\u00ean quan \u0111\u1ebfn ng\u01b0\u1eddi g\u1ecdi. H\u01b0\u1edbng n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u01b0\u1edbc t\u00ean tham s\u1ed1.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"af3f\"><img class=\"graf-image\" data-height=\"202\" data-image-id=\"0*ahCIAGIlHEmX8rtP.png\" data-width=\"426\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0ahCIAGIlHEmX8rtP.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"25a9\">C\u00e1c g\u00f3c nh\u00ecn c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"3d3e\">S\u1ef1 l\u1ef1a ch\u1ecdn g\u00f3c nh\u00ecn ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 b\u1ea1n \u0111ang \u1edf trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. Trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh m\u1ed9t\u00a0<strong class=\"markup--strong markup--p-strong\">m\u00f4 h\u00ecnh mi\u1ec1n<\/strong>, v\u00ed d\u1ee5, b\u1ea1n s\u1ebd hi\u1ebfm khi v\u01b0\u1ee3t qua\u00a0<strong class=\"markup--strong markup--p-strong\">g\u00f3c nh\u00ecn kh\u00e1i ni\u1ec7m<\/strong>.\u00a0<strong class=\"markup--strong markup--p-strong\">M\u00f4 h\u00ecnh ph\u00e2n t\u00edch<\/strong>\u00a0th\u01b0\u1eddng s\u1ebd c\u00f3 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a\u00a0<strong class=\"markup--strong markup--p-strong\">c\u00e1c g\u00f3c nh\u00ecn kh\u00e1i ni\u1ec7m v\u00e0 \u0111\u1eb7c t\u1ea3<\/strong><strong class=\"markup--strong markup--p-strong\">M\u00f4 h\u00ecnh thi\u1ebft k\u1ebf<\/strong>\u00a0ph\u00e1t tri\u1ec3n th\u01b0\u1eddng s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi s\u1ef1 nh\u1ea5n m\u1ea1nh m\u1ea1nh m\u1ebd v\u00e0o\u00a0<strong class=\"markup--strong markup--p-strong\">g\u00f3c nh\u00ecn \u0111\u1eb7c t\u1ea3<\/strong>, v\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh\u00a0<strong class=\"markup--strong markup--p-strong\">g\u00f3c nh\u00ecn tri\u1ec3n khai<\/strong>.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"24e6\">M\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c di\u1ec5n gi\u1ea3i t\u1eeb nhi\u1ec1u g\u00f3c nh\u00ecn kh\u00e1c nhau:<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"d3e0\"><strong class=\"markup--strong markup--li-strong\">Kh\u00e1i ni\u1ec7m<\/strong>: \u0111\u1ea1i di\u1ec7n cho c\u00e1c kh\u00e1i ni\u1ec7m trong mi\u1ec1n<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"d551\"><strong class=\"markup--strong markup--li-strong\">\u0110\u1eb7c t\u1ea3<\/strong>: t\u1eadp trung v\u00e0o c\u00e1c giao di\u1ec7n c\u1ee7a Ki\u1ec3u D\u1eef li\u1ec7u Tr\u1eebu t\u01b0\u1ee3ng (ADTs) trong ph\u1ea7n m\u1ec1m<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2896\"><strong class=\"markup--strong markup--li-strong\">Tri\u1ec3n khai<\/strong>: m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c l\u1edbp s\u1ebd tri\u1ec3n khai c\u00e1c giao di\u1ec7n c\u1ee7a ch\u00fang<\/li>\n<\/ul>\n<p class=\"graf graf--p graf-after--li\" id=\"d6c0\">G\u00f3c nh\u00ecn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ea7n cung c\u1ea5p v\u00e0 c\u00e1c lo\u1ea1i m\u1ed1i quan h\u1ec7 \u0111\u00e1ng tr\u00ecnh b\u00e0y. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, t\u00ean l\u1edbp l\u00e0 th\u00f4ng tin b\u1eaft bu\u1ed9c duy nh\u1ea5t.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"6384\"><img class=\"graf-image\" data-height=\"150\" data-image-id=\"0*a-j3UiFkEu-F3x_w.png\" data-width=\"765\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0a-j3UiFkEu-F3x_w.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"bbe4\">\u200b<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"b7e7\">S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a trung t\u00e2m ch\u1ea1y qua h\u1ea7u h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. S\u01a1 \u0111\u1ed3 n\u00e0y m\u00f4 t\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c lo\u1ea1i m\u1ed1i quan h\u1ec7 t\u0129nh kh\u00e1c nhau t\u1ed3n t\u1ea1i gi\u1eefa ch\u00fang.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"978c\">M\u1ed1i quan h\u1ec7<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"b8d1\">C\u00f3 ba lo\u1ea1i m\u1ed1i quan h\u1ec7 ch\u00ednh quan tr\u1ecdng:<\/p>\n<ol class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"c847\"><strong class=\"markup--strong markup--li-strong\">Li\u00ean k\u1ebft<\/strong>\u200a\u2014\u200a\u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a c\u00e1c lo\u1ea1i (m\u1ed9t ng\u01b0\u1eddi l\u00e0m vi\u1ec7c cho m\u1ed9t c\u00f4ng ty, m\u1ed9t c\u00f4ng ty c\u00f3 m\u1ed9t s\u1ed1 v\u0103n ph\u00f2ng.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"de57\"><strong class=\"markup--strong markup--li-strong\">K\u1ebf th\u1eeba<\/strong>\u200a\u2014\u200ath\u00eam v\u00e0o s\u01a1 \u0111\u1ed3 ER m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng nh\u1ea5t \u0111\u1ec3 s\u1eed d\u1ee5ng trong OO. N\u00f3 c\u00f3 s\u1ef1 t\u01b0\u01a1ng \u1ee9ng ngay l\u1eadp t\u1ee9c v\u1edbi k\u1ebf th\u1eeba trong thi\u1ebft k\u1ebf OO.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"7901\"><strong class=\"markup--strong markup--li-strong\">T\u1eadp h\u1ee3p<\/strong>\u200a\u2014\u200aT\u1eadp h\u1ee3p, m\u1ed9t h\u00ecnh th\u1ee9c k\u1ebft h\u1ee3p \u0111\u1ed1i t\u01b0\u1ee3ng trong thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ol>\n<figure class=\"graf graf--figure graf-after--li\" id=\"4770\"><img class=\"graf-image\" data-height=\"332\" data-image-id=\"0*TT0WybpZq8njBAZf.png\" data-width=\"726\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0TT0WybpZq8njBAZf.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"17c2\">V\u00ed d\u1ee5 S\u01a1 \u0111\u1ed3 l\u1edbp: GUI<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"81a8\">M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp c\u0169ng c\u00f3 th\u1ec3 c\u00f3 c\u00e1c ghi ch\u00fa \u0111\u00ednh k\u00e8m cho c\u00e1c l\u1edbp ho\u1eb7c m\u1ed1i quan h\u1ec7.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"487d\"><img class=\"graf-image\" data-height=\"436\" data-image-id=\"0*884Hb2yL6k2Qg3Pz.png\" data-width=\"917\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0884Hb2yL6k2Qg3Pz.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"92fa\">C\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m UML mi\u1ec5n ph\u00ed<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"176e\">Trong b\u00e0i vi\u1ebft n\u00e0y, t\u00f4i gi\u1edbi thi\u1ec7u hai c\u00f4ng c\u1ee5 UML:<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"ff1f\">Visual Paradigm Community Edition (MI\u1ec4N PH\u00cd) l\u00e0 m\u1ed9t\u00a0<a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/shop\/vp.jsp?license=perpetual\" href=\"https:\/\/www.visual-paradigm.com\/shop\/vp.jsp?license=perpetual\" rel=\"noopener\" target=\"_blank\">c\u00f4ng c\u1ee5 UML tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n<\/a>\u00a0v\u1edbi kh\u1ea3 n\u0103ng m\u00f4 h\u00ecnh h\u00f3a t\u00ednh n\u0103ng. (c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt cho c\u00e1c phi\u00ean b\u1ea3n th\u01b0\u01a1ng m\u1ea1i)<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"e549\">Visual Paradigm Online cho UML t\u1ed5ng qu\u00e1t v\u00e0 c\u00e1c b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 kh\u00e1c.<\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf--iframe graf-after--li\" id=\"aecb\"><\/figure>\n<h4 class=\"graf graf--h4 graf-after--figure\" id=\"e9ab\">\u200b30 V\u00ed d\u1ee5 S\u01a1 \u0111\u1ed3 l\u1edbp<\/h4>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--h4\" id=\"b1ce\">C\u00e1c v\u00ed d\u1ee5 v\u00e0 m\u1eabu S\u01a1 \u0111\u1ed3 l\u1edbp mi\u1ec5n ph\u00ed c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda trong ph\u1ea7n m\u1ec1m S\u01a1 \u0111\u1ed3 l\u1edbp tr\u1ef1c tuy\u1ebfn: Visual Paradigm Online.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2b05\">S\u1eed d\u1ee5ng c\u00e1c m\u1eabu nh\u01b0 m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u1ec3 t\u1ea1o S\u01a1 \u0111\u1ed3 l\u1edbp c\u1ee7a ri\u00eang b\u1ea1n.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"d8c0\">(<strong class=\"markup--strong markup--li-strong\">Nh\u1ea5p \u0111\u1ec3 Ch\u1ec9nh s\u1eeda Ngay l\u1eadp t\u1ee9c c\u00e1c V\u00ed d\u1ee5 S\u01a1 \u0111\u1ed3 l\u1edbp<\/strong>)<\/li>\n<\/ul>\n<blockquote class=\"graf graf--blockquote graf-after--li\" id=\"1a39\">\n<p><strong class=\"markup--strong markup--blockquote-strong\">\u0110\u1ec3 thu\u1eadn ti\u1ec7n cho b\u1ea1n, c\u00e1c v\u00ed d\u1ee5 sau \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp trong Visual Paradigm Online. B\u1ea1n c\u00f3 th\u1ec3 th\u1eed ngay m\u00e0 kh\u00f4ng c\u1ea7n c\u1ea5u h\u00ecnh hay c\u00e0i \u0111\u1eb7t, ch\u00fac b\u1ea1n vui v\u1ebb!<\/strong><\/p>\n<\/blockquote>\n<p class=\"graf graf--p graf-after--blockquote\" id=\"dc21\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/a-star-based-lan\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/a-star-based-lan\/\" rel=\"noopener\" target=\"_blank\">M\u1ea1ng LAN d\u1ef1a tr\u00ean sao<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"027b\"><img class=\"graf-image\" data-height=\"297\" data-image-id=\"0*fCiJp9mnN1B50t7H.png\" data-width=\"784\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0fCiJp9mnN1B50t7H.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"ab01\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/a-token-ring-based-lan\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/a-token-ring-based-lan\/\" rel=\"noopener\" target=\"_blank\">M\u1ea1ng LAN d\u1ef1a tr\u00ean v\u00f2ng token<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"1b7b\"><img class=\"graf-image\" data-height=\"342\" data-image-id=\"0*_BDEypemFeWfYXxo.png\" data-width=\"725\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0_BDEypemFeWfYXxo.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"ba30\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/company-structure\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/company-structure\/\" rel=\"noopener\" target=\"_blank\">C\u1ea5u tr\u00fac c\u00f4ng ty<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"5bd9\"><img class=\"graf-image\" data-height=\"413\" data-image-id=\"0*DLHm53fcC-n7gp5R.png\" data-width=\"423\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0DLHm53fcC-n7gp5R.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c199\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/understanding-relationships\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/understanding-relationships\/\" rel=\"noopener\" target=\"_blank\">Hi\u1ec3u v\u1ec1 c\u00e1c m\u1ed1i quan h\u1ec7<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"245d\"><img class=\"graf-image\" data-height=\"232\" data-image-id=\"0*Y7__Z3ffv5nNADQI.png\" data-width=\"608\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Y7__Z3ffv5nNADQI.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"2ad4\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/file-output-use-of-generalization\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/file-output-use-of-generalization\/\" rel=\"noopener\" target=\"_blank\">\u0110\u1ea7u ra t\u1ec7p (S\u1eed d\u1ee5ng kh\u00e1i qu\u00e1t h\u00f3a)<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"96a2\"><img class=\"graf-image\" data-height=\"303\" data-image-id=\"0*k4rLAMOoPk0qICre.png\" data-width=\"552\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0k4rLAMOoPk0qICre.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"35f8\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/telephone-use-of-association\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/telephone-use-of-association\/\" rel=\"noopener\" target=\"_blank\">\u0110i\u1ec7n tho\u1ea1i (S\u1eed d\u1ee5ng li\u00ean k\u1ebft)<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"426b\"><img class=\"graf-image\" data-height=\"469\" data-image-id=\"0*LxIj6cJbyU-JTIMb.png\" data-width=\"663\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0LxIj6cJbyU-JTIMb.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"7097\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-proxy\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-proxy\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aProxy<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"9910\"><img class=\"graf-image\" data-height=\"204\" data-image-id=\"0*B3DnunsdL-qGtkj4.png\" data-width=\"562\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0B3DnunsdL-qGtkj4.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"1078\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-flyweight\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-flyweight\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aFlyweight<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"c2bd\"><img class=\"graf-image\" data-height=\"179\" data-image-id=\"0*_Q-R5ktXv_9tCgQq.png\" data-width=\"741\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0_Q-R5ktXv_9tCgQq.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"96eb\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-facade\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-facade\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aFacade<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"3e4a\"><img class=\"graf-image\" data-height=\"243\" data-image-id=\"0*pbJEbkRffn2UlSpO.png\" data-width=\"380\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0pbJEbkRffn2UlSpO.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"1235\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-decorator\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-decorator\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aDecorator<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"4607\"><img class=\"graf-image\" data-height=\"271\" data-image-id=\"0*FimPGtvgxDCsjPnL.png\" data-width=\"569\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0FimPGtvgxDCsjPnL.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"45a7\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-composite\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-composite\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aComposite<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"5f1c\"><img class=\"graf-image\" data-height=\"296\" data-image-id=\"0*Zvt3uPXvNrJ05Xia.png\" data-width=\"615\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Zvt3uPXvNrJ05Xia.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"aada\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-bridge\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-bridge\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aBridge<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"2112\"><img class=\"graf-image\" data-height=\"317\" data-image-id=\"0*eHphs6Geo1k4c8qx.png\" data-width=\"757\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0eHphs6Geo1k4c8qx.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"1ba8\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-adapter\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-adapter\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aAdapter<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"3079\"><img class=\"graf-image\" data-height=\"225\" data-image-id=\"0*Nj5vlQGgIqL1y2a7.png\" data-width=\"531\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Nj5vlQGgIqL1y2a7.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"1bc9\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-singleton\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-singleton\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aSingleton<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"cd22\"><img class=\"graf-image\" data-height=\"79\" data-image-id=\"0*db0YzeFdu38j90fs.png\" data-width=\"145\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0db0YzeFdu38j90fs.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"a36f\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-prototype\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-prototype\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aPrototype<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"479d\"><img class=\"graf-image\" data-height=\"218\" data-image-id=\"0*MB1WAbebOAtXZuW2.png\" data-width=\"567\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0MB1WAbebOAtXZuW2.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"3c5d\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-factory-method\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-factory-method\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aFactory Method<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"643b\"><img class=\"graf-image\" data-height=\"171\" data-image-id=\"0*SXSxSaC1ZKqSr8N-.png\" data-width=\"607\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0SXSxSaC1ZKqSr8N.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c857\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-builder\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-builder\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aBuilder<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"2459\"><img class=\"graf-image\" data-height=\"172\" data-image-id=\"0*rg5KxPWNuh_dJnQv.png\" data-width=\"620\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0rg5KxPWNuh_dJnQv.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"cf66\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-abstract-factory\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-abstract-factory\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aAbstract Factory<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"52be\"><img class=\"graf-image\" data-height=\"563\" data-image-id=\"0*DQ_4vUVf7FYJQzoT.png\" data-width=\"834\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0DQ_4vUVf7FYJQzoT.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"301d\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-visitor\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-visitor\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aVisitor<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"1c27\"><img class=\"graf-image\" data-height=\"467\" data-image-id=\"0*6ChN1xpFTZmNBfYd.png\" data-width=\"915\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/06ChN1xpFTZmNBfYd.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"8c60\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-template-method\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-template-method\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aTemplate Method<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"b646\"><img class=\"graf-image\" data-height=\"210\" data-image-id=\"0*_grtHmbGDqhe6H16.png\" data-width=\"337\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0_grtHmbGDqhe6H16.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"8dac\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-strategy\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-strategy\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aStrategy<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"341f\"><img class=\"graf-image\" data-height=\"149\" data-image-id=\"0*eKsRA2-UBSUfV3Ve.png\" data-width=\"599\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0eKsRA2-UBSUfV3Ve.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"344d\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-state\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-state\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aState<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"71d1\"><img class=\"graf-image\" data-height=\"139\" data-image-id=\"0*Rle4eTnL6tEcmNoG.png\" data-width=\"465\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Rle4eTnL6tEcmNoG.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"be78\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-observer\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-observer\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aObserver<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"0396\"><img class=\"graf-image\" data-height=\"255\" data-image-id=\"0*uemDnDBxQk0Chl9C.png\" data-width=\"757\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0uemDnDBxQk0Chl9C.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"bcda\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-memento\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-memento\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aMemento<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"a050\"><img class=\"graf-image\" data-height=\"147\" data-image-id=\"0*o1CQlzqQTfJ3Z9OM.png\" data-width=\"696\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0o1CQlzqQTfJ3Z9OM.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c201\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-mediator\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-mediator\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aMediator<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"41c9\"><img class=\"graf-image\" data-height=\"138\" data-image-id=\"0*xADML8q-CMLizrP1.png\" data-width=\"515\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0xADML8q-CMLizrP1.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"093b\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-iterator\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-iterator\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aIterator<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"bc35\"><img class=\"graf-image\" data-height=\"238\" data-image-id=\"0*7jtdLHfcLIfrQGFu.png\" data-width=\"687\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/07jtdLHfcLIfrQGFu.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"893f\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-interpreter\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-interpreter\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aInterpreter<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"2385\"><img class=\"graf-image\" data-height=\"281\" data-image-id=\"0*ljoHoXe-BCVGhpLm.png\" data-width=\"487\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0ljoHoXe-BCVGhpLm.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c1dd\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-command\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-command\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aCommand<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"23b2\"><img class=\"graf-image\" data-height=\"252\" data-image-id=\"0*c5eykWzQOPuP-Lq8.png\" data-width=\"648\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0c5eykWzQOPuP-Lq8.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"b17c\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-chain-of-responsibility\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/gof-design-patterns-chain-of-responsibility\/\" rel=\"noopener\" target=\"_blank\">M\u1eabu thi\u1ebft k\u1ebf GoF\u200a\u2014\u200aChain of Responsibility<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"79bf\"><img class=\"graf-image\" data-height=\"159\" data-image-id=\"0*5Rt8c9f866U-Amby.png\" data-width=\"441\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/05Rt8c9f866U-Amby.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"3ef6\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-order-process\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-order-process\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 l\u1edbp\u200a\u2014\u200aQuy tr\u00ecnh \u0111\u1eb7t h\u00e0ng<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"3281\"><img class=\"graf-image\" data-height=\"399\" data-image-id=\"0*21M_NyMexXFN6OKM.png\" data-width=\"740\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/021M_NyMexXFN6OKM.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"b367\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-classes-and-packages-constraints\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-classes-and-packages-constraints\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 l\u1edbp\u200a\u2014\u200aR\u00e0ng bu\u1ed9c l\u1edbp v\u00e0 g\u00f3i<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"b07f\"><img class=\"graf-image\" data-height=\"318\" data-image-id=\"0*uzmlPucgvSMZakzI.png\" data-width=\"556\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0uzmlPucgvSMZakzI.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"d888\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-class-in-a-package-airline\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/class-diagram-class-in-a-package-airline\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 l\u1edbp\u200a\u2014\u200aL\u1edbp trong m\u1ed9t g\u00f3i (H\u00e3ng h\u00e0ng kh\u00f4ng)<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"98f4\"><img class=\"graf-image\" data-height=\"566\" data-image-id=\"0*Ujg6vTVI7GxtOewA.png\" data-width=\"827\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Ujg6vTVI7GxtOewA.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c617\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/ticket-selling\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/ticket-selling\/\" rel=\"noopener\" target=\"_blank\">B\u00e1n v\u00e9<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"8fd9\"><img class=\"graf-image\" data-height=\"319\" data-image-id=\"0*-aFagFyJ0fjLsS8u.png\" data-width=\"688\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0-aFagFyJ0fjLsS8u.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"9e8e\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/self-association\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/self-association\/\" rel=\"noopener\" target=\"_blank\">Li\u00ean k\u1ebft t\u1ef1 th\u00e2n<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"6889\"><img class=\"graf-image\" data-height=\"82\" data-image-id=\"0*xol8Y1ywjci8WKrz.png\" data-width=\"367\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0xol8Y1ywjci8WKrz.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"5220\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/association-class-and-self-association\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/association-class-and-self-association\/\" rel=\"noopener\" target=\"_blank\">L\u1edbp li\u00ean k\u1ebft v\u00e0 li\u00ean k\u1ebft t\u1ef1 th\u00e2n<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"6f12\"><img class=\"graf-image\" data-height=\"151\" data-image-id=\"0*-osYh-mBBJ4PHfgq.png\" data-width=\"330\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0-osYh-mBBJ4PHfgq.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"ef04\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/sales-order-system\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/sales-order-system\/\" rel=\"noopener\" target=\"_blank\">H\u1ec7 th\u1ed1ng \u0111\u01a1n h\u00e0ng b\u00e1n h\u00e0ng<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"5b9c\"><img class=\"graf-image\" data-height=\"474\" data-image-id=\"0*Kzq2SUxDCmnEmPhj.png\" data-width=\"669\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Kzq2SUxDCmnEmPhj.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c2e2\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/car\/\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/class-diagram\/car\/\" rel=\"noopener\" target=\"_blank\">Xe h\u01a1i<\/a><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"0e64\"><img class=\"graf-image\" data-height=\"468\" data-image-id=\"0*I9ZUnODyoR0Q7l7-.png\" data-width=\"811\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0I9ZUnODyoR0Q7l7.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"402a\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" href=\"https:\/\/www.visual-paradigm.com\/solution\/freeumltool\/\" rel=\"noopener\" target=\"_blank\">C\u00f4ng c\u1ee5 UML mi\u1ec5n ph\u00ed \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng\u200a\u2014\u200aPhi\u00ean b\u1ea3n c\u1ed9ng \u0111\u1ed3ng Visual Paradigm<\/a>(M\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n)<\/li>\n<\/ul>\n<h4 class=\"graf graf--h4 graf-after--li\" id=\"baaa\">C\u00e1c t\u00e0i li\u1ec7u \u0111\u1ecdc th\u00eam \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h4>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--h4\" id=\"945f\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\" rel=\"78558b0d x_url noopener\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn s\u01a1 \u0111\u1ed3 l\u1edbp UML\u200a\u2014\u200aVisual Paradigm<\/a><\/li>\n<li class=\"graf graf--li graf-after--li graf--trailing\" id=\"d283\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2576\/7190_drawingclass.html\" href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2576\/7190_drawingclass.html\" rel=\"aa030107 x_url noopener\" target=\"_blank\">C\u00e1ch v\u1ebd s\u01a1 \u0111\u1ed3 l\u1edbp?\u200a\u2014\u200aVisual Paradigm<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Visual Paradigm Online (VP Online) Free Edition is a free online drawing tool that supports UML, ERD, Organization Chart, etc. It features a simple, intuitive yet powerful UML editor, which allows you to create professional UML diagrams smoothly and quickly. The free UML tool comes with no ad, no limited period of access and no limitations such as, number of diagrams, number of shapes and etc. You own the diagrams you created for personal and non-commercial purposes.<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[3],"tags":[52,63,62,53],"class_list":["post-394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ph\u1ea7n m\u1ec1m UML tr\u1ef1c tuy\u1ebfn MI\u1ec4N PH\u00cd: 30 V\u00ed d\u1ee5 v\u1ec1 S\u01a1 \u0111\u1ed3 L\u1edbp - Cybermedian<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/vn\/on-the-fly-free-online-uml-software-30-class-diagram-examples\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ph\u1ea7n m\u1ec1m UML tr\u1ef1c tuy\u1ebfn MI\u1ec4N PH\u00cd: 30 V\u00ed d\u1ee5 v\u1ec1 S\u01a1 \u0111\u1ed3 L\u1edbp - Cybermedian\" \/>\n<meta property=\"og:description\" content=\"Visual Paradigm Online (VP Online) Free Edition is a free online drawing tool that supports UML, ERD, Organization Chart, etc. It features a simple, intuitive yet powerful UML editor, which allows you to create professional UML diagrams smoothly and quickly. 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