{"id":958,"date":"2026-02-25T22:46:37","date_gmt":"2026-02-25T22:46:37","guid":{"rendered":"https:\/\/www.method-post.com\/vi\/understanding-object-diagrams-a-beginners-guide-to-uml-modeling\/"},"modified":"2026-02-25T22:46:37","modified_gmt":"2026-02-25T22:46:37","slug":"understanding-object-diagrams-a-beginners-guide-to-uml-modeling","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/vi\/understanding-object-diagrams-a-beginners-guide-to-uml-modeling\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng: H\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a UML"},"content":{"rendered":"<p dir=\"auto\">Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) cung c\u1ea5p m\u1ed9t c\u00e1ch chu\u1ea9n h\u00f3a \u0111\u1ec3 tr\u1ef1c quan h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. M\u1ed9t trong nh\u1eefng s\u01a1 \u0111\u1ed3 quan tr\u1ecdng nh\u1ea5t trong UML l\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng, cung c\u1ea5p m\u1ed9t b\u1ee9c tranh t\u0129nh v\u1ec1 c\u00e1c th\u1ec3 hi\u1ec7n trong h\u1ec7 th\u1ed1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng, gi\u1ea3i th\u00edch m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang v\u00e0 h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u1ea1o ch\u00fang b\u1eb1ng Visual Paradigm, m\u1ed9t c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a UML m\u1ea1nh m\u1ebd.<\/p>\n<p dir=\"auto\"><img fetchpriority=\"high\" alt=\"Class Diagram vs Object Diagram\" class=\"alignnone\" decoding=\"async\" fetchpriority=\"high\" height=\"294\" src=\"https:\/\/circle.visual-paradigm.com\/wp-content\/uploads\/2017\/06\/Class-Diagram-vs-Object-Diagram.png\" width=\"917\"\/><\/p>\n<h2>S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/h2>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 UML th\u1ec3 hi\u1ec7n quan \u0111i\u1ec3m t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch minh h\u1ecda c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a c\u00e1c l\u1edbp v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp, cung c\u1ea5p b\u1ea3n v\u1ebd ph\u00e1c th\u1ea3o v\u1ec1 c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng t\u1eadp trung v\u00e0o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf t\u1ed3n t\u1ea1i trong th\u1eddi gian ch\u1ea1y v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u00fang.<\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/h3>\n<ol>\n<li><strong>G\u00f3c nh\u00ecn b\u1ee9c tranh t\u0129nh<\/strong>: S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng ghi l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3, cung c\u1ea5p g\u00f3c nh\u00ecn th\u1ef1c t\u1ebf ho\u1eb7c mang t\u00ednh m\u1eabu m\u1ef1c.<\/li>\n<li><strong>D\u1ef1a tr\u00ean th\u1ec3 hi\u1ec7n<\/strong>: Ch\u00fang t\u1eadp trung v\u00e0o c\u00e1c th\u1ec3 hi\u1ec7n (\u0111\u1ed1i t\u01b0\u1ee3ng) thay v\u00ec l\u1edbp, th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf t\u0129nh<\/strong>: M\u1eb7c d\u00f9 ch\u00fang m\u00f4 t\u1ea3 m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 minh h\u1ecda thi\u1ebft k\u1ebf t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng li\u00ean h\u1ec7 v\u1edbi nhau trong m\u1ed9t t\u00ecnh hu\u1ed1ng nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ol>\n<h3>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng?<\/h3>\n<ul>\n<li><strong>Ki\u1ec3m th\u1eed v\u00e0 g\u1ee1 l\u1ed7i<\/strong>: S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 gi\u00e1 tr\u1ecb trong ki\u1ec3m th\u1eed v\u00e0 g\u1ee1 l\u1ed7i v\u00ec ch\u00fang th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1eddi gian th\u1ef1c.<\/li>\n<li><strong>Minh h\u1ecda t\u00ecnh hu\u1ed1ng<\/strong>: Ch\u00fang gi\u00fap tr\u1ef1c quan h\u00f3a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ho\u1eb7c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3, gi\u00fap d\u1ec5 hi\u1ec3u h\u01a1n h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li><strong>Th\u1eed nghi\u1ec7m m\u00f4 h\u00ecnh<\/strong>: S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1ch h\u1ec7 th\u1ed1ng s\u1ebd ho\u1ea1t \u0111\u1ed9ng v\u1edbi d\u1eef li\u1ec7u th\u1ef1c t\u1ebf, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n<h2>T\u1ea1o s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng Visual Paradigm<\/h2>\n<p dir=\"auto\">Visual Paradigm l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 to\u00e0n di\u1ec7n cho m\u00f4 h\u00ecnh h\u00f3a UML, bao g\u1ed3m vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u:<\/p>\n<h3>H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc<\/h3>\n<ol>\n<li>\n<p dir=\"auto\"><strong>T\u1ea1o m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi<\/strong>:<\/p>\n<ul>\n<li>M\u1edf Visual Paradigm v\u00e0 ch\u1ecdn<code class=\"\">S\u01a1 \u0111\u1ed3 &gt; M\u1edbi<\/code>t\u1eeb thanh c\u00f4ng c\u1ee5 \u1ee9ng d\u1ee5ng.<\/li>\n<li>Trong c\u1eeda s\u1ed5<code class=\"\">S\u01a1 \u0111\u1ed3 m\u1edbi<\/code> , ch\u1ecdn<code class=\"\">S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>T\u1ea1o c\u00e1c \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n<\/strong>:<\/p>\n<ul>\n<li>T\u1eeb thanh c\u00f4ng c\u1ee5 s\u01a1 \u0111\u1ed3, ch\u1ecdn\u00a0<code class=\"\">\u0110\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n<\/code>\u00a0v\u00e0 nh\u1ea5p v\u00e0o s\u01a1 \u0111\u1ed3 \u0111\u1ec3 t\u1ea1o h\u00ecnh d\u1ea1ng.<\/li>\n<li>\u0110\u1eb7t t\u00ean cho \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n theo \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e0 n\u00f3 \u0111\u1ea1i di\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>Ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i<\/strong>:<\/p>\n<ul>\n<li>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o h\u00ecnh d\u1ea1ng \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n v\u00e0 ch\u1ecdn\u00a0<code class=\"\">Ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i &gt; Ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i...<\/code>\u00a0t\u1eeb menu b\u1eadt l\u00ean.<\/li>\n<li>Trong c\u1eeda s\u1ed5\u00a0<code class=\"\">Ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i<\/code>\u00a0c\u1eeda s\u1ed5, ch\u1ecdn l\u1edbp (c\u00e1c l\u1edbp) s\u1ebd ph\u1ee5c v\u1ee5 l\u00e0m b\u1ed9 ph\u00e2n lo\u1ea1i cho \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c khe<\/strong>:<\/p>\n<ul>\n<li>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c khe, nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o h\u00ecnh d\u1ea1ng \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n v\u00e0 ch\u1ecdn\u00a0<code class=\"\">Khe...<\/code>\u00a0t\u1eeb menu b\u1eadt l\u00ean.<\/li>\n<li>Trong c\u1eeda s\u1ed5\u00a0<code class=\"\">C\u1eeda s\u1ed5 \u0111\u1eb7c t\u1ea3 \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n<\/code>\u00a0c\u1eeda s\u1ed5, ch\u1ecdn c\u00e1c t\u00ednh n\u0103ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh khe v\u00e0 nh\u1ea5p v\u00e0o\u00a0<code class=\"\">X\u00e1c \u0111\u1ecbnh khe<\/code>.<\/li>\n<li>Ch\u1ec9nh s\u1eeda gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c khe b\u1eb1ng c\u00e1ch ch\u1ecdn m\u1ed9t khe \u0111\u00e3 x\u00e1c \u0111\u1ecbnh v\u00e0 nh\u1ea5p v\u00e0o\u00a0<code class=\"\">Ch\u1ec9nh s\u1eeda gi\u00e1 tr\u1ecb...<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>T\u1ea1o li\u00ean k\u1ebft<\/strong>:<\/p>\n<ul>\n<li>\u0110\u1ec3 t\u1ea1o li\u00ean k\u1ebft gi\u1eefa c\u00e1c \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n, di chuy\u1ec3n con tr\u1ecf chu\u1ed9t qua \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n ngu\u1ed3n.<\/li>\n<li>Nh\u1ea5n n\u00fat Th\u01b0 vi\u1ec7n T\u00e0i nguy\u00ean v\u00e0 k\u00e9o n\u00f3 \u0111\u1ebfn \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n \u0111\u00edch.<\/li>\n<li>Th\u1ea3 n\u00fat chu\u1ed9t v\u00e0 ch\u1ecdn<code class=\"\">Li\u00ean k\u1ebft<\/code>t\u1eeb Th\u01b0 vi\u1ec7n T\u00e0i nguy\u00ean \u0111\u1ec3 t\u1ea1o li\u00ean k\u1ebft.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>V\u00ed d\u1ee5<\/h3>\n<p dir=\"auto\">H\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng th\u01b0 vi\u1ec7n:<\/p>\n<ul>\n<li><strong>L\u1edbp<\/strong>:\u00a0<code class=\"\">S\u00e1ch<\/code>,\u00a0<code class=\"\">Th\u00e0nh vi\u00ean<\/code>,\u00a0<code class=\"\">M\u01b0\u1ee3n<\/code><\/li>\n<li><strong>\u0110\u1ed1i t\u01b0\u1ee3ng<\/strong>:\n<ul>\n<li><code class=\"\">S\u00e1ch<\/code>: \u201c1984\u201d c\u1ee7a George Orwell<\/li>\n<li><code class=\"\">Th\u00e0nh vi\u00ean<\/code>: Jane Doe<\/li>\n<li><code class=\"\">M\u01b0\u1ee3n<\/code>: H\u1ed3 s\u01a1 m\u01b0\u1ee3n cho Jane Doe m\u01b0\u1ee3n s\u00e1ch \u201c1984\u201d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a \u0111i\u1ec1u n\u00e0y trong Visual Paradigm:<\/h4>\n<ol>\n<li>\n<p dir=\"auto\"><strong>T\u1ea1o c\u00e1c \u0111\u1eb7c t\u1ea3 th\u1ec3 hi\u1ec7n<\/strong>:<\/p>\n<ul>\n<li>T\u1ea1o c\u00e1c th\u1ec3 hi\u1ec7n cho<code class=\"\">S\u00e1ch<\/code>,\u00a0<code class=\"\">Th\u00e0nh vi\u00ean<\/code>, v\u00e0<code class=\"\">M\u01b0\u1ee3n<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>Ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i<\/strong>:<\/p>\n<ul>\n<li>G\u00e1n c\u00e1c l\u1edbp t\u01b0\u01a1ng \u1ee9ng (<code class=\"\">S\u00e1ch<\/code>,\u00a0<code class=\"\">Th\u00e0nh vi\u00ean<\/code>,\u00a0<code class=\"\">M\u01b0\u1ee3n<\/code>) cho m\u1ed7i tr\u01b0\u1eddng h\u1ee3p.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c khe<\/strong>:<\/p>\n<ul>\n<li>\u0110\u1ed1i v\u1edbi\u00a0<code class=\"\">S\u00e1ch<\/code>: X\u00e1c \u0111\u1ecbnh c\u00e1c khe cho\u00a0<code class=\"\">ti\u00eau \u0111\u1ec1<\/code>,\u00a0<code class=\"\">t\u00e1c gi\u1ea3<\/code>, v\u00e0 \u0111\u1eb7t gi\u00e1 tr\u1ecb nh\u01b0 \u201c1984\u201d v\u00e0 \u201cGeorge Orwell\u201d.<\/li>\n<li>\u0110\u1ed1i v\u1edbi\u00a0<code class=\"\">Th\u00e0nh vi\u00ean<\/code>: X\u00e1c \u0111\u1ecbnh c\u00e1c khe cho\u00a0<code class=\"\">t\u00ean<\/code> v\u00e0 \u0111\u1eb7t gi\u00e1 tr\u1ecb l\u00e0 \u201cJane Doe\u201d.<\/li>\n<li>\u0110\u1ed1i v\u1edbi\u00a0<code class=\"\">M\u01b0\u1ee3n<\/code>: X\u00e1c \u0111\u1ecbnh c\u00e1c khe cho\u00a0<code class=\"\">ng\u00e0y m\u01b0\u1ee3n<\/code> v\u00e0\u00a0<code class=\"\">ng\u00e0y tr\u1ea3<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>T\u1ea1o li\u00ean k\u1ebft<\/strong>:<\/p>\n<ul>\n<li>T\u1ea1o m\u1ed9t li\u00ean k\u1ebft gi\u1eefa\u00a0<code class=\"\">Th\u00e0nh vi\u00ean<\/code>\u00a0(Jane Doe) v\u00e0\u00a0<code class=\"\">M\u01b0\u1ee3n<\/code>\u00a0\u0111\u1ec3 th\u1ec3 hi\u1ec7n r\u1eb1ng Jane Doe \u0111\u00e3 m\u01b0\u1ee3n m\u1ed9t cu\u1ed1n s\u00e1ch.<\/li>\n<li>T\u1ea1o m\u1ed9t li\u00ean k\u1ebft gi\u1eefa\u00a0<code class=\"\">M\u01b0\u1ee3n<\/code>\u00a0v\u00e0\u00a0<code class=\"\">S\u00e1ch<\/code>\u00a0\u0111\u1ec3 th\u1ec3 hi\u1ec7n r\u1eb1ng \u201c1984\u201d l\u00e0 cu\u1ed1n s\u00e1ch \u0111\u01b0\u1ee3c m\u01b0\u1ee3n.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>V\u00ed d\u1ee5: S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h2>\n<p dir=\"auto\">H\u00ecnh \u1ea3nh minh h\u1ecda c\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng trong l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, t\u1eadp trung v\u00e0o c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp v\u00e0 c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a ch\u00fang (\u0111\u1ed1i t\u01b0\u1ee3ng). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n gi\u1ea3i th\u00edch chi ti\u1ebft:<\/p>\n<p dir=\"auto\"><img alt=\"What is Object Diagram?\" decoding=\"async\" src=\"https:\/\/cdn-images.visual-paradigm.com\/guide\/uml\/what-is-object-diagram\/03-class-diagram-to-object-diagram.png\"\/><\/p>\n<h3>S\u01a1 \u0111\u1ed3 l\u1edbp (B\u00ean tr\u00e1i)<\/h3>\n<ol>\n<li>\n<p dir=\"auto\"><strong>L\u1edbp v\u00e0 thu\u1ed9c t\u00ednh<\/strong>:<\/p>\n<ul>\n<li><strong>L\u1edbp Kh\u00e1ch h\u00e0ng<\/strong>:\n<ul>\n<li>Thu\u1ed9c t\u00ednh:\u00a0<code class=\"\">t\u00ean<\/code>\u00a0(Chu\u1ed7i),\u00a0<code class=\"\">v\u1ecb tr\u00ed<\/code>\u00a0(Chu\u1ed7i).<\/li>\n<li>Ph\u01b0\u01a1ng th\u1ee9c:\u00a0<code class=\"\">+g\u1eedi\u0110\u01a1nH\u00e0ng()<\/code>,\u00a0<code class=\"\">+nh\u1eadn\u0110\u01a1nH\u00e0ng()<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>L\u1edbp \u0110\u01a1n h\u00e0ng<\/strong>:\n<ul>\n<li>Thu\u1ed9c t\u00ednh:\u00a0<code class=\"\">ng\u00e0y<\/code>\u00a0(Ng\u00e0y),\u00a0<code class=\"\">s\u1ed1<\/code>\u00a0(Chu\u1ed7i).<\/li>\n<li>Ph\u01b0\u01a1ng th\u1ee9c:\u00a0<code class=\"\">+x\u00e1c nh\u1eadn()<\/code>,\u00a0<code class=\"\">+\u0111\u00f3ng()<\/code>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>T\u1ed5ng qu\u00e1t h\u00f3a (K\u1ebf th\u1eeba)<\/strong>:<\/p>\n<ul>\n<li>L\u1edbp\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>\u00a0l\u00e0 si\u00eau l\u1edbp \u0111\u01b0\u1ee3c t\u1ed5ng qu\u00e1t h\u00f3a th\u00e0nh hai l\u1edbp con:\u00a0<code class=\"\">\u0110\u01a1nH\u00e0ngTh\u00f4ngTh\u01b0\u1eddng<\/code>\u00a0v\u00e0\u00a0<code class=\"\">\u0110\u01a1nH\u00e0ng\u0110\u1eb7cBi\u1ec7t<\/code>.<\/li>\n<li><strong>L\u1edbp \u0110\u01a1nH\u00e0ngTh\u00f4ngTh\u01b0\u1eddng<\/strong>:\n<ul>\n<li>K\u1ebf th\u1eeba thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>.<\/li>\n<li>Ph\u01b0\u01a1ng th\u1ee9c b\u1ed5 sung:\u00a0<code class=\"\">+giao()<\/code>,\u00a0<code class=\"\">+receive()<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>L\u1edbp SpecialOrder<\/strong>:\n<ul>\n<li>K\u1ebf th\u1eeba thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>.<\/li>\n<li>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c b\u1ed5 sung:\u00a0<code class=\"\">+dispatch()<\/code>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>M\u1ed1i quan h\u1ec7<\/strong>:<\/p>\n<ul>\n<li>C\u00f3 m\u1ed1i quan h\u1ec7 m\u1ed9t-\u0111a gi\u1eefa\u00a0<code class=\"\">Kh\u00e1ch h\u00e0ng<\/code>\u00a0v\u00e0\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>, \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi k\u00fd hi\u1ec7u \u201c1\u201d \u1edf ph\u00eda\u00a0<code class=\"\">Kh\u00e1ch h\u00e0ng<\/code>\u00a0v\u00e0 kh\u00f4ng c\u00f3 s\u1ed1 n\u00e0o \u1edf ph\u00eda\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>\u00a0side, c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u \u0111\u01a1n h\u00e0ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng (b\u00ean ph\u1ea3i)<\/h3>\n<ol>\n<li>\n<p dir=\"auto\"><strong>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 thu\u1ed9c t\u00ednh<\/strong>:<\/p>\n<ul>\n<li><strong>C1: \u0110\u1ed1i t\u01b0\u1ee3ng Kh\u00e1ch h\u00e0ng<\/strong>:\n<ul>\n<li>M\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a l\u1edbp\u00a0<code class=\"\">Kh\u00e1ch h\u00e0ng<\/code>\u00a0l\u1edbp.<\/li>\n<\/ul>\n<\/li>\n<li><strong>O1, O2, O3: C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0110\u01a1n h\u00e0ng<\/strong>:\n<ul>\n<li>C\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee7a l\u1edbp\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>l\u1edbp v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3\u00a0<code class=\"\">s\u1ed1 l\u01b0\u1ee3ng<\/code>thu\u1ed9c t\u00ednh:\u00a0<code class=\"\">O1<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 12),\u00a0<code class=\"\">O2<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 61),\u00a0<code class=\"\">O3<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 88).<\/li>\n<\/ul>\n<\/li>\n<li><strong>S1, S2, S3: C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng SpecialOrder<\/strong>:\n<ul>\n<li>C\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee7a l\u1edbp\u00a0<code class=\"\">SpecialOrder<\/code>l\u1edbp v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3\u00a0<code class=\"\">s\u1ed1 l\u01b0\u1ee3ng<\/code>thu\u1ed9c t\u00ednh:\u00a0<code class=\"\">S1<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 43),\u00a0<code class=\"\">S2<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 50),\u00a0<code class=\"\">S3<\/code> (s\u1ed1 l\u01b0\u1ee3ng = 17).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>M\u1ed1i quan h\u1ec7<\/strong>:<\/p>\n<ul>\n<li>\u0110\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng\u00a0<code class=\"\">C1<\/code>\u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01a1n h\u00e0ng (<code class=\"\">O1<\/code>,\u00a0<code class=\"\">O2<\/code>,\u00a0<code class=\"\">O3<\/code>) v\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01a1n h\u00e0ng \u0111\u1eb7c bi\u1ec7t (<code class=\"\">S1<\/code>,\u00a0<code class=\"\">S2<\/code>,\u00a0<code class=\"\">S3<\/code>).<\/li>\n<li>\u0110i\u1ec1u n\u00e0y ph\u1ea3n \u00e1nh m\u1ed1i quan h\u1ec7 m\u1ed9t-\u0111a \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong s\u01a1 \u0111\u1ed3 l\u1edbp, n\u01a1i m\u1ed9t kh\u00e1ch h\u00e0ng duy nh\u1ea5t c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u \u0111\u01a1n h\u00e0ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>Gi\u1ea3i th\u00edch<\/h3>\n<ul>\n<li><strong>T\u1ed5ng qu\u00e1t h\u00f3a<\/strong>: L\u1edbp\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng<\/code>\u00a0l\u1edbp \u0111\u00f3ng vai tr\u00f2 l\u00e0 l\u1edbp c\u01a1 s\u1edf v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c chung, trong khi\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng th\u00f4ng th\u01b0\u1eddng<\/code>\u00a0v\u00e0\u00a0<code class=\"\">\u0110\u01a1n h\u00e0ng \u0111\u1eb7c bi\u1ec7t<\/code>\u00a0l\u00e0 c\u00e1c phi\u00ean b\u1ea3n chuy\u00ean bi\u1ec7t v\u1edbi ch\u1ee9c n\u0103ng b\u1ed5 sung.<\/li>\n<li><strong>Kh\u1edfi t\u1ea1o<\/strong>: S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng cho th\u1ea5y c\u00e1ch c\u00e1c l\u1edbp n\u00e0y \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o th\u00e0nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3, minh h\u1ecda c\u00e1ch c\u1ea5u tr\u00fac l\u1edbp \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/li>\n<li><strong>M\u1ed1i quan h\u1ec7<\/strong>: C\u00e1c s\u01a1 \u0111\u1ed3 nh\u1ea5n m\u1ea1nh c\u00e1c m\u1ed1i li\u00ean k\u1ebft gi\u1eefa kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u01a1n h\u00e0ng c\u1ee7a h\u1ecd, minh h\u1ecda c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c d\u1ef1a tr\u00ean c\u00e1c m\u1ed1i quan h\u1ec7 l\u1edbp \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n<\/ul>\n<p dir=\"auto\">S\u1ef1 tr\u1ef1c quan h\u00f3a n\u00e0y gi\u00fap hi\u1ec3u r\u00f5 c\u00e1ch c\u00e1c l\u1edbp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf v\u1edbi d\u1eef li\u1ec7u v\u00e0 h\u00e0nh vi c\u1ee5 th\u1ec3.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong UML \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi th\u1eddi gian ch\u1ea1y c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng qua c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 v\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u00fang. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Visual Paradigm, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, h\u1ed7 tr\u1ee3 trong thi\u1ebft k\u1ebf, ki\u1ec3m th\u1eed v\u00e0 g\u1ee1 l\u1ed7i c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh. D\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hay m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 kinh nghi\u1ec7m, vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng m\u00f4 h\u00ecnh h\u00f3a v\u00e0 hi\u1ec3u c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/p>\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ol>\n<li>V\u1ebd s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng.<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2584\/7191_drawingobjec.html\">Visual Paradigm<\/a><\/li>\n<li>H\u1ecdc s\u01a1 \u0111\u1ed3 l\u1edbp v\u1edbi Visual Paradigm.<a href=\"https:\/\/www.archimetric.com\/learning-class-diagrams-with-visual-paradigm\/\">Archimetric<\/a><\/li>\n<li>H\u01b0\u1edbng d\u1eabn Visual Paradigm. \u0110\u01b0\u1ee3c l\u1ea5y t\u1eeb<a href=\"https:\/\/www.youtube.com\/watch?v=oeA-EBq-aBw\">YouTube<\/a><\/li>\n<li>V\u00ed d\u1ee5: S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng.<a href=\"https:\/\/circle.visual-paradigm.com\/example-class-diagram-vs-object-diagram\/\">Visual Paradigm Circle<\/a><\/li>\n<li>S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng trong UML.<a href=\"https:\/\/guides.visual-paradigm.com\/class-diagrams-vs-object-diagrams-in-uml\/\">Visual Paradigm<\/a><\/li>\n<li>S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\">Visual Paradigm<\/a><\/li>\n<li>S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng.<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2584_objectdiagra.html\">Visual Paradigm<\/a><\/li>\n<li>H\u01b0\u1edbng d\u1eabn s\u01a1 \u0111\u1ed3 l\u1edbp UML.<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\">Visual Paradigm<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) cung c\u1ea5p m\u1ed9t c\u00e1ch chu\u1ea9n h\u00f3a \u0111\u1ec3 tr\u1ef1c quan h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a m\u1ed9t h\u1ec7&hellip;<\/p>\n","protected":false},"author":2,"featured_media":959,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/circle.visual-paradigm.com\/wp-content\/uploads\/2017\/06\/Class-Diagram-vs-Object-Diagram.png","fifu_image_alt":"","footnotes":""},"categories":[13],"tags":[],"class_list":["post-958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng: H\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a UML - Method Post Vietnamese | Your Daily Guide to AI &amp; 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