{"id":3354,"date":"2026-02-25T00:35:02","date_gmt":"2026-02-25T00:35:02","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/vn\/mastering-uml-sequence-diagrams-a-comprehensive-guide-2\/"},"modified":"2026-02-25T00:35:02","modified_gmt":"2026-02-25T00:35:02","slug":"mastering-uml-sequence-diagrams-a-comprehensive-guide-2","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/vn\/mastering-uml-sequence-diagrams-a-comprehensive-guide-2\/","title":{"rendered":"Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n"},"content":{"rendered":"<h1>Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/h1>\n<p>S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML l\u00e0 nh\u1eefng s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c quan tr\u1ecdng, m\u00f4 t\u1ea3 chi ti\u1ebft c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c trong m\u1ed9t h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch ghi l\u1ea1i t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong b\u1ed1i c\u1ea3nh h\u1ee3p t\u00e1c, c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 th\u1eddi gian, cho th\u1ea5y th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3 m\u00e0 c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c trao \u0111\u1ed5i.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y bao qu\u00e1t m\u1ecdi th\u1ee9 t\u1eeb c\u00e1c \u0111\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p ph\u1ee9c t\u1ea1p, gi\u00fap b\u1ea1n m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u00e0nh vi t\u01b0\u01a1ng t\u00e1c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h2>S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/h2>\n<p>S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1) l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c UML. N\u00f3 minh h\u1ecda 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 th\u1ee9 t\u1ef1 th\u1eddi gian m\u00e0 c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa ch\u00fang. Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 UML kh\u00e1c, s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 nh\u1ea5n m\u1ea1nh \u0111\u1eb7c bi\u1ec7t v\u00e0o th\u1ee9 t\u1ef1 theo th\u1eddi gian c\u1ee7a h\u00e0nh vi t\u01b0\u01a1ng t\u00e1c, m\u00f4 t\u1ea3 tr\u1ef1c quan qu\u00e1 tr\u00ecnh \u0111\u1ed3ng th\u1eddi.<\/p>\n<h2>VP AI: T\u1ef1 \u0111\u1ed9ng h\u00f3a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 v\u1edbi Visual Paradigm<\/h2>\n<p>Vi\u1ec7c t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch th\u1ee7 c\u00f4ng c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian, \u0111\u00f2i h\u1ecfi s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u0111\u1eddi v\u00e0 k\u00fd hi\u1ec7u ch\u00ednh x\u00e1c cho t\u1eebng lo\u1ea1i th\u00f4ng \u0111i\u1ec7p.<strong>Visual Paradigm AI<\/strong>\u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i quy tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML chuy\u00ean nghi\u1ec7p th\u00f4ng qua c\u00e1c l\u1eddi nh\u1eafc b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean.<\/p>\n<ul>\n<li><strong>T\u1eeb v\u0103n b\u1ea3n \u0111\u1ebfn s\u01a1 \u0111\u1ed3:<\/strong>Ch\u1ec9 c\u1ea7n m\u00f4 t\u1ea3 m\u1ed9t t\u00ecnh hu\u1ed1ng (v\u00ed d\u1ee5: &#8220;Kh\u00e1ch h\u00e0ng \u0111\u1eb7t h\u00e0ng, h\u1ec7 th\u1ed1ng ki\u1ec3m tra t\u1ed3n kho v\u00e0 g\u1eedi x\u00e1c nh\u1eadn&#8221;) v\u00e0 AI s\u1ebd t\u1ea1o ra m\u00f4 h\u00ecnh tr\u1ef1c quan ngay l\u1eadp t\u1ee9c.<\/li>\n<li><strong>B\u1ed1 c\u1ee5c t\u1ef1 \u0111\u1ed9ng:<\/strong>AI s\u1ebd x\u1eed l\u00fd vi\u1ec7c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 th\u1eddi gian c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 th\u00f4ng \u0111i\u1ec7p, \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n UML m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c k\u00e9o th\u1ea3 th\u1ee7 c\u00f4ng.<\/li>\n<li><strong>M\u1edf r\u1ed9ng t\u00ecnh hu\u1ed1ng:<\/strong>VP AI c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c lu\u1ed3ng thay th\u1ebf ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng x\u1eed l\u00fd l\u1ed7i (nh\u01b0 c\u00e1c t\u00ecnh hu\u1ed1ng &#8220;H\u1ebft h\u00e0ng&#8221;) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n bao qu\u00e1t t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n<h2>C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh<\/h2>\n<p>Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng t\u1ea1o n\u00ean m\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1.<\/p>\n<h3>1. Ng\u01b0\u1eddi d\u00f9ng (Actor)<\/h3>\n<p>Ng\u01b0\u1eddi d\u00f9ng (actor) \u0111\u1ea1i di\u1ec7n cho m\u1ed9t vai tr\u00f2 do m\u1ed9t th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u01b0\u1eddi d\u00f9ng, m\u00e1y m\u00f3c ho\u1eb7c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i. L\u01b0u \u00fd r\u1eb1ng m\u1ed9t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 v\u1eadt l\u00fd c\u1ee5 th\u1ec3, m\u00e0 ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh. M\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn vai tr\u00f2 c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t vai tr\u00f2 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 do nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ea3m nh\u1eadn.<\/p>\n<h3>2. \u0110\u1ed1i t\u01b0\u1ee3ng<\/h3>\n<p>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt ch\u1ee9a t\u00ean c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00f3 ba c\u00e1ch chu\u1ea9n \u0111\u1ec3 \u0111\u1eb7t t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng trong UML:<\/p>\n<ul>\n<li><strong>\u0110\u1ea7y \u0111\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng:<\/strong>Bao g\u1ed3m t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 t\u00ean l\u1edbp (v\u00ed d\u1ee5: <code>\u0111\u1ed1i t\u01b0\u1ee3ng: l\u1edbp<\/code>).<\/li>\n<li><strong>\u0110\u1ed1i t\u01b0\u1ee3ng \u1ea9n danh:<\/strong>Ch\u1ec9 hi\u1ec3n th\u1ecb t\u00ean l\u1edbp (v\u00ed d\u1ee5: <code>:kh\u00f3a h\u1ecdc<\/code>).<\/li>\n<li><strong>\u0110\u1ed1i t\u01b0\u1ee3ng c\u00f3 t\u00ean:<\/strong>Ch\u1ec9 hi\u1ec3n th\u1ecb t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng (v\u00ed d\u1ee5 nh\u01b0 <code>gi\u1ea3ng vi\u00ean<\/code>).<\/li>\n<\/ul>\n<p><em>M\u1eb9o:<\/em>\u0110\u1eb7t c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 t\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng xuy\u00ean g\u1ea7n nhau. \u0110\u1ed1i t\u01b0\u1ee3ng kh\u1edfi t\u1ea1o t\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u b\u00ean tr\u00e1i.<\/p>\n<h3>3. \u0110\u01b0\u1eddng \u0111\u1eddi<\/h3>\n<p>M\u1ed9t \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t k\u00e9o d\u00e0i xu\u1ed1ng t\u1eeb bi\u1ec3u t\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng cho bi\u1ebft \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ed3n t\u1ea1i trong bao l\u00e2u. Tr\u1ee5c \u0111\u1ee9ng n\u00e0y \u0111\u1ea1i di\u1ec7n cho th\u1eddi gian.<\/p>\n<h3>4. T\u1eadp trung ki\u1ec3m so\u00e1t (giai \u0111o\u1ea1n k\u00edch ho\u1ea1t)<\/h3>\n<p>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt m\u1ecfng tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eddi, T\u1eadp trung ki\u1ec3m so\u00e1t (hay giai \u0111o\u1ea1n k\u00edch ho\u1ea1t) cho bi\u1ebft kho\u1ea3ng th\u1eddi gian m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c. Ph\u1ea7n tr\u00ean c\u1ee7a h\u00ecnh ch\u1eef nh\u1eadt tr\u00f9ng v\u1edbi th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u, v\u00e0 ph\u1ea7n d\u01b0\u1edbi tr\u00f9ng v\u1edbi th\u1eddi \u0111i\u1ec3m ho\u00e0n th\u00e0nh.<\/p>\n<h2>Tin nh\u1eafn v\u00e0 giao ti\u1ebfp<\/h2>\n<p>C\u00e1c tin nh\u1eafn x\u00e1c \u0111\u1ecbnh giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng \u0111\u1eddi. Ng\u01b0\u1eddi g\u1eedi chuy\u1ec3n quy\u1ec1n ki\u1ec3m so\u00e1t ho\u1eb7c t\u00edn hi\u1ec7u cho ng\u01b0\u1eddi nh\u1eadn.<\/p>\n<ul>\n<li><strong>Tin nh\u1eafn \u0111\u1ed3ng b\u1ed9:<\/strong>Ng\u01b0\u1eddi g\u1eedi chuy\u1ec3n quy\u1ec1n ki\u1ec3m so\u00e1t cho ng\u01b0\u1eddi nh\u1eadn v\u00e0 ch\u1edd ng\u01b0\u1eddi nh\u1eadn ho\u00e0n th\u00e0nh ho\u1eb7c tr\u1ea3 l\u1ea1i quy\u1ec1n ki\u1ec3m so\u00e1t.<\/li>\n<li><strong>Tin nh\u1eafn b\u1ea5t \u0111\u1ed3ng b\u1ed9:<\/strong>Ng\u01b0\u1eddi g\u1eedi g\u1eedi m\u1ed9t t\u00edn hi\u1ec7u v\u00e0 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n ch\u1edd \u0111\u1ee3i. Ng\u01b0\u1eddi nh\u1eadn v\u00e0 ng\u01b0\u1eddi g\u1eedi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>Tin nh\u1eafn tr\u1ea3 v\u1ec1:<\/strong>Ch\u1ec9 ra vi\u1ec7c tr\u1ea3 v\u1ec1 t\u1eeb m\u1ed9t l\u1eddi g\u1ecdi th\u1ee7 t\u1ee5c.<\/li>\n<li><strong>Tin nh\u1eafn kh\u00f4ng t\u1ee9c th\u1eddi:<\/strong>M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ee9c th\u1eddi (m\u0169i t\u00ean ngang), m\u1ed9t m\u0169i t\u00ean xi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng vi\u1ec7c truy\u1ec1n tin nh\u1eafn m\u1ea5t th\u1eddi gian.<\/li>\n<\/ul>\n<h3>T\u1ea1o v\u00e0 ph\u00e1 h\u1ee7y<\/h3>\n<p>C\u00e1c th\u00e0nh vi\u00ean kh\u00f4ng lu\u00f4n t\u1ed3n t\u1ea1i trong su\u1ed1t th\u1eddi gian c\u1ee7a s\u01a1 \u0111\u1ed3. M\u1ed9t <strong>tin nh\u1eafn t\u1ea1o<\/strong>t\u1ea1o ra ng\u01b0\u1eddi nh\u1eadn (\u0111\u1eb7t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi \u1edf ph\u00eda d\u01b0\u1edbi s\u01a1 \u0111\u1ed3 h\u01a1n). M\u1ed9t <strong>tin nh\u1eafn h\u1ee7y<\/strong>ph\u00e1 h\u1ee7y ng\u01b0\u1eddi nh\u1eadn, k\u1ebft th\u00fac \u0111\u01b0\u1eddng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n<h2>C\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p<\/h2>\n<p>\u0110\u1ec3 m\u00f4 h\u00ecnh h\u00f3a logic ph\u1ee9c t\u1ea1p nh\u01b0 v\u00f2ng l\u1eb7p, nh\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn, UML s\u1eed d\u1ee5ng <strong>c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p<\/strong>. \u0110\u00e2y l\u00e0 c\u00e1c khung h\u00ecnh ch\u1eef nh\u1eadt bao quanh m\u1ed9t ph\u1ea7n c\u1ee7a t\u01b0\u01a1ng t\u00e1c.<\/p>\n<h3>C\u00e1c to\u00e1n t\u1eed \u0111o\u1ea1n ph\u1ed5 bi\u1ebfn<\/h3>\n<table border=\"1\" cellpadding=\"10\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th>To\u00e1n t\u1eed<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>alt<\/strong><\/td>\n<td>Nhi\u1ec1u \u0111o\u1ea1n thay th\u1ebf; ch\u1ec9 \u0111o\u1ea1n n\u00e0o c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c thi (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi if..else).<\/td>\n<\/tr>\n<tr>\n<td><strong>opt<\/strong><\/td>\n<td>T\u00f9y ch\u1ecdn; \u0111o\u1ea1n n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c thi n\u1ebfu \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang.<\/td>\n<\/tr>\n<tr>\n<td><strong>loop<\/strong><\/td>\n<td>\u0110o\u1ea1n n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c thi nhi\u1ec1u l\u1ea7n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/td>\n<\/tr>\n<tr>\n<td><strong>break<\/strong><\/td>\n<td>Cho ph\u00e9p tho\u00e1t kh\u1ecfi v\u00f2ng l\u1eb7p bao quanh khi \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 tr\u1edf th\u00e0nh \u0111\u00fang (th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd ngo\u1ea1i l\u1ec7).<\/td>\n<\/tr>\n<tr>\n<td><strong>par<\/strong><\/td>\n<td>Song song; m\u1ed7i \u0111o\u1ea1n ch\u1ea1y \u0111\u1ed3ng th\u1eddi.<\/td>\n<\/tr>\n<tr>\n<td><strong>critical<\/strong><\/td>\n<td>V\u00f9ng nghi\u00eam tr\u1ecdng; ch\u1ec9 m\u1ed9t lu\u1ed3ng c\u00f3 th\u1ec3 th\u1ef1c thi \u0111o\u1ea1n n\u00e0y c\u00f9ng m\u1ed9t l\u00fac.<\/td>\n<\/tr>\n<tr>\n<td><strong>ref<\/strong><\/td>\n<td>Tham chi\u1ebfu; tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 kh\u00e1c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>V\u00ed d\u1ee5: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf<\/h2>\n<h3>V\u00ed d\u1ee5 1: \u0110\u1eb7t h\u00e0ng<\/h3>\n<p>X\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng m\u00e0 kh\u00e1ch h\u00e0ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng Order v\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng Stock. Lu\u1ed3ng th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<ol>\n<li><strong>T\u1ea1o \u0111\u01a1n h\u00e0ng:<\/strong> Kh\u00e1ch h\u00e0ng g\u1eedi m\u1ed9t tin nh\u1eafn \u0111\u1ec3 t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng Order.<\/li>\n<li><strong>Th\u00eam s\u1ea3n ph\u1ea9m:<\/strong> Kh\u00e1ch h\u00e0ng th\u00eam c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0o \u0111\u01a1n h\u00e0ng.<\/li>\n<li><strong>Ki\u1ec3m tra t\u1ed3n kho:<\/strong> \u0110\u1ed1i v\u1edbi m\u1ed7i s\u1ea3n ph\u1ea9m, \u0111\u1ed1i t\u01b0\u1ee3ng Order ki\u1ec3m tra s\u1ef1 s\u1eb5n c\u00f3 trong \u0111\u1ed1i t\u01b0\u1ee3ng Stock.<\/li>\n<li><strong>Quy\u1ebft \u0111\u1ecbnh (Alt\/Opt):<\/strong> N\u1ebfu s\u1ea3n ph\u1ea9m c\u00f3 s\u1eb5n, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o. N\u1ebfu kh\u00f4ng, lu\u1ed3ng c\u00f3 th\u1ec3 ph\u00e2n nh\u00e1nh.<\/li>\n<li><strong>Ho\u00e0n t\u1ea5t:<\/strong> \u0110\u01a1n h\u00e0ng \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i v\u00e0 c\u00f3 th\u1ec3 b\u1ecb h\u1ee7y (\u0111\u00f3ng) sau khi x\u1eed l\u00fd.<\/li>\n<\/ol>\n<p>Trong t\u00ecnh hu\u1ed1ng n\u00e0y, vi\u1ec7c t\u1ea1o \u0111\u01a1n h\u00e0ng l\u00e0 m\u1ed9t <em>Tin nh\u1eafn T\u1ea1o<\/em>, ki\u1ec3m tra t\u1ed3n kho l\u00e0 m\u1ed9t <em>Tin nh\u1eafn \u0110\u1ed3ng b\u1ed9<\/em>, v\u00e0 vi\u1ec7c l\u01b0u \u0111\u01a1n h\u00e0ng l\u00e0 m\u1ed9t <em>Tin nh\u1eafn T\u1ef1 th\u00e2n<\/em> ho\u1eb7c l\u00e0 m\u1ed9t l\u1eddi g\u1ecdi \u0111\u1ebfn m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<h3>V\u00ed d\u1ee5 2: X\u1eed l\u00fd ngo\u1ea1i l\u1ec7 v\u1edbi \u2018Break\u2019<\/h3>\n<p>S\u1eed d\u1ee5ng m\u1ed9t <strong>Break<\/strong>\u0111o\u1ea1n m\u00e3 &#8216;Break&#8217; l\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a l\u1ed7i. V\u00ed d\u1ee5, trong m\u1ed9t giao d\u1ecbch ng\u00e2n h\u00e0ng:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng l\u1eb7p qua danh s\u00e1ch c\u00e1c giao d\u1ecbch (V\u00f2ng l\u1eb7p).<\/li>\n<li>B\u00ean trong v\u00f2ng l\u1eb7p, m\u1ed9t \u0111o\u1ea1n m\u00e3 ki\u1ec3m tra n\u1ebfu <code>s\u1ed1 d\u01b0 &lt; s\u1ed1 ti\u1ec1n<\/code>.<\/li>\n<li>N\u1ebfu \u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u00fang, \u0111o\u1ea1n m\u00e3 <strong>break<\/strong>s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi, g\u1eedi th\u00f4ng b\u00e1o l\u1ed7i v\u00e0 tho\u00e1t kh\u1ecfi v\u00f2ng l\u1eb7p ngay l\u1eadp t\u1ee9c.<\/li>\n<li>N\u1ebfu sai, tin nh\u1eafn ti\u00eau chu\u1ea9n <code>addDebitTransaction<\/code>s\u1ebd ti\u1ebfp t\u1ee5c.<\/li>\n<\/ul>\n<h2>T\u00f3m t\u1eaft k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 Chu\u1ed7i<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n tu\u00e2n th\u1ee7 v\u00e0 d\u1ec5 \u0111\u1ecdc, h\u00e3y tham kh\u1ea3o danh s\u00e1ch ki\u1ec3m tra k\u00fd hi\u1ec7u nhanh n\u00e0y:<\/p>\n<ul>\n<li><strong>Tin nh\u1eafn G\u1ecdi:<\/strong>L\u1eddi g\u1ecdi m\u1ed9t thao t\u00e1c tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Tin nh\u1eafn Tr\u1ea3 v\u1ec1:<\/strong>Chuy\u1ec3n th\u00f4ng tin tr\u1edf l\u1ea1i cho ng\u01b0\u1eddi g\u1ecdi.<\/li>\n<li><strong>Tin nh\u1eafn T\u1ef1 th\u00e2n:<\/strong>M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng g\u1ecdi m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c tr\u00ean ch\u00ednh n\u00f3.<\/li>\n<li><strong>Tin nh\u1eafn \u0110\u1ec7 quy:<\/strong> M\u1ed9t tin nh\u1eafn t\u1ef1 th\u00e2n n\u01a1i ho\u1ea1t h\u00f3a m\u1ee5c ti\u00eau n\u1eb1m tr\u00ean ho\u1ea1t h\u00f3a ban \u0111\u1ea7u.<\/li>\n<li><strong> Tin nh\u1eafn th\u1eddi l\u01b0\u1ee3ng:<\/strong> Hi\u1ec3n th\u1ecb kho\u1ea3ng c\u00e1ch gi\u1eefa hai th\u1eddi \u0111i\u1ec3m.<\/li>\n<li><strong> Ghi ch\u00fa:<\/strong> C\u00e1c nh\u1eadn x\u00e9t \u0111\u01b0\u1ee3c \u0111\u00ednh k\u00e8m v\u00e0o c\u00e1c ph\u1ea7n t\u1eed \u0111\u1ec3 cung c\u1ea5p ng\u1eef c\u1ea3nh phi ng\u1eef ngh\u0129a.<\/li>\n<\/ul>\n<div class=\"related-articles-section\" style=\"margin-top: 2rem; border-top: 1px solid #ccc; padding-top: 1.5rem;\">\n<h3>T\u00e0i nguy\u00ean li\u00ean quan c\u1ee7a Visual Paradigm<\/h3>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin, h\u00e3y kh\u00e1m ph\u00e1 c\u00e1c b\u00e0i vi\u1ebft v\u00e0 h\u01b0\u1edbng d\u1eabn li\u00ean quan sau:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 1.5rem;\">\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/understanding-sequence-diagrams-a-comprehensive-guide\/\" rel=\"noopener\" target=\"_blank\">Hi\u1ec3u r\u00f5 v\u1ec1 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/creating-sequence-diagrams-in-uml-a-comprehensive-tutorial\/\" rel=\"noopener\" target=\"_blank\">T\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 trong UML: B\u00e0i h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/mastering-sequence-diagram-modeling-a-practical-approach-with-visual-paradigm\/\" rel=\"noopener\" target=\"_blank\">Th\u00e0nh th\u1ea1o m\u00f4 h\u00ecnh h\u00f3a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1: M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn th\u1ef1c ti\u1ec5n \u2026<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/mastering-sequence-diagrams-unraveling-the-power-of-fragments-loop-alternative-and-option\/\" rel=\"noopener\" target=\"_blank\">Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1: Kh\u01a1i revealing s\u1ee9c m\u1ea1nh c\u1ee7a \u2026<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/category\/uml\/\" rel=\"noopener\" target=\"_blank\">Th\u01b0 vi\u1ec7n UML \u2013 H\u01b0\u1edbng d\u1eabn c\u1ee7a Visual Paradigm<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/guides.visual-paradigm.com\/understanding-sequence-diagram-notation-in-uml\/\" rel=\"noopener\" target=\"_blank\">Hi\u1ec3u v\u1ec1 k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 trong UML \u2013 Visual Paradigm\u2026<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec? \u2013 Visual Paradigm Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1: Kh\u01a1i revealing s\u1ee9c m\u1ea1nh c\u1ee7a \u2026 Th\u01b0 vi\u1ec7n UML \u2013 H\u01b0\u1edbng d\u1eabn c\u1ee7a Visual Paradigm S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 \u2013 Visual Paradigm<\/a>\n<\/li>\n<li style=\"margin-bottom: 0.5rem;\">\n<a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 \u2013 Visual Paradigm<\/a>\n<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML l\u00e0 nh\u1eefng s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c quan tr\u1ecdng, m\u00f4 t\u1ea3 chi ti\u1ebft c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c trong m\u1ed9t h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch ghi l\u1ea1i t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong b\u1ed1i c\u1ea3nh h\u1ee3p t\u00e1c, c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 th\u1eddi gian, cho th\u1ea5y th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3 m\u00e0 c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c trao \u0111\u1ed5i. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y bao qu\u00e1t m\u1ecdi th\u1ee9 t\u1eeb c\u00e1c \u0111\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p ph\u1ee9c t\u1ea1p, gi\u00fap b\u1ea1n m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u00e0nh vi t\u01b0\u01a1ng t\u00e1c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec? S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1) l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c UML. N\u00f3 minh h\u1ecda 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 th\u1ee9 t\u1ef1 th\u1eddi gian m\u00e0 c\u00e1c th\u00f4ng \u0111i\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi gi\u1eefa ch\u00fang. Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 UML kh\u00e1c, s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 nh\u1ea5n m\u1ea1nh \u0111\u1eb7c bi\u1ec7t v\u00e0o th\u1ee9 t\u1ef1 theo th\u1eddi gian c\u1ee7a h\u00e0nh vi t\u01b0\u01a1ng t\u00e1c, m\u00f4 t\u1ea3 tr\u1ef1c quan qu\u00e1 tr\u00ecnh \u0111\u1ed3ng th\u1eddi. VP AI: T\u1ef1 \u0111\u1ed9ng h\u00f3a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 v\u1edbi Visual Paradigm Vi\u1ec7c t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch th\u1ee7 c\u00f4ng c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian, \u0111\u00f2i h\u1ecfi s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u0111\u1eddi v\u00e0 k\u00fd hi\u1ec7u ch\u00ednh x\u00e1c cho t\u1eebng lo\u1ea1i th\u00f4ng \u0111i\u1ec7p.Visual Paradigm AI\u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i quy tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML chuy\u00ean nghi\u1ec7p th\u00f4ng qua c\u00e1c l\u1eddi nh\u1eafc b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean. T\u1eeb v\u0103n b\u1ea3n \u0111\u1ebfn s\u01a1 \u0111\u1ed3:Ch\u1ec9 c\u1ea7n m\u00f4 t\u1ea3 m\u1ed9t t\u00ecnh hu\u1ed1ng (v\u00ed d\u1ee5: &#8220;Kh\u00e1ch h\u00e0ng \u0111\u1eb7t h\u00e0ng, h\u1ec7 th\u1ed1ng ki\u1ec3m tra t\u1ed3n kho v\u00e0 g\u1eedi x\u00e1c nh\u1eadn&#8221;) v\u00e0 AI s\u1ebd t\u1ea1o ra m\u00f4 h\u00ecnh tr\u1ef1c quan ngay l\u1eadp t\u1ee9c. B\u1ed1 c\u1ee5c t\u1ef1 \u0111\u1ed9ng:AI s\u1ebd x\u1eed l\u00fd vi\u1ec7c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 th\u1eddi gian c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 th\u00f4ng \u0111i\u1ec7p, \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n UML m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c k\u00e9o th\u1ea3 th\u1ee7 c\u00f4ng. M\u1edf r\u1ed9ng t\u00ecnh hu\u1ed1ng:VP AI c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c lu\u1ed3ng thay th\u1ebf ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng x\u1eed l\u00fd l\u1ed7i (nh\u01b0 c\u00e1c t\u00ecnh hu\u1ed1ng &#8220;H\u1ebft h\u00e0ng&#8221;) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n bao qu\u00e1t t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t. C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng t\u1ea1o n\u00ean m\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1. 1. Ng\u01b0\u1eddi d\u00f9ng (Actor) Ng\u01b0\u1eddi d\u00f9ng (actor) \u0111\u1ea1i di\u1ec7n cho m\u1ed9t vai tr\u00f2 do m\u1ed9t th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u01b0\u1eddi d\u00f9ng, m\u00e1y m\u00f3c ho\u1eb7c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i. L\u01b0u \u00fd r\u1eb1ng m\u1ed9t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 v\u1eadt l\u00fd c\u1ee5 th\u1ec3, m\u00e0 ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh. M\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn vai tr\u00f2 c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t vai tr\u00f2 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 do nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ea3m nh\u1eadn. 2. \u0110\u1ed1i t\u01b0\u1ee3ng C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt ch\u1ee9a t\u00ean c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00f3 ba c\u00e1ch chu\u1ea9n \u0111\u1ec3 \u0111\u1eb7t t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng trong UML: \u0110\u1ea7y \u0111\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng:Bao g\u1ed3m t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 t\u00ean l\u1edbp (v\u00ed d\u1ee5: \u0111\u1ed1i t\u01b0\u1ee3ng: l\u1edbp). \u0110\u1ed1i t\u01b0\u1ee3ng \u1ea9n danh:Ch\u1ec9 hi\u1ec3n th\u1ecb t\u00ean l\u1edbp (v\u00ed d\u1ee5: :kh\u00f3a h\u1ecdc). \u0110\u1ed1i t\u01b0\u1ee3ng c\u00f3 t\u00ean:Ch\u1ec9 hi\u1ec3n th\u1ecb t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng (v\u00ed d\u1ee5 nh\u01b0 gi\u1ea3ng vi\u00ean). M\u1eb9o:\u0110\u1eb7t c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 t\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng xuy\u00ean g\u1ea7n nhau. \u0110\u1ed1i t\u01b0\u1ee3ng kh\u1edfi t\u1ea1o t\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u b\u00ean tr\u00e1i. 3. \u0110\u01b0\u1eddng \u0111\u1eddi M\u1ed9t \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t k\u00e9o d\u00e0i xu\u1ed1ng t\u1eeb bi\u1ec3u t\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng cho bi\u1ebft \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ed3n t\u1ea1i trong bao l\u00e2u. Tr\u1ee5c \u0111\u1ee9ng n\u00e0y \u0111\u1ea1i di\u1ec7n cho th\u1eddi gian. 4. T\u1eadp trung ki\u1ec3m so\u00e1t (giai \u0111o\u1ea1n k\u00edch ho\u1ea1t) \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt m\u1ecfng tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eddi, T\u1eadp trung ki\u1ec3m so\u00e1t (hay giai \u0111o\u1ea1n k\u00edch ho\u1ea1t) cho bi\u1ebft kho\u1ea3ng th\u1eddi gian m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c. Ph\u1ea7n tr\u00ean c\u1ee7a h\u00ecnh ch\u1eef nh\u1eadt tr\u00f9ng v\u1edbi th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u, v\u00e0 ph\u1ea7n d\u01b0\u1edbi tr\u00f9ng v\u1edbi th\u1eddi \u0111i\u1ec3m ho\u00e0n th\u00e0nh. Tin nh\u1eafn v\u00e0 giao ti\u1ebfp C\u00e1c tin nh\u1eafn x\u00e1c \u0111\u1ecbnh giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng \u0111\u1eddi. Ng\u01b0\u1eddi g\u1eedi chuy\u1ec3n quy\u1ec1n ki\u1ec3m so\u00e1t ho\u1eb7c t\u00edn hi\u1ec7u cho ng\u01b0\u1eddi nh\u1eadn. Tin nh\u1eafn \u0111\u1ed3ng b\u1ed9:Ng\u01b0\u1eddi g\u1eedi chuy\u1ec3n quy\u1ec1n ki\u1ec3m so\u00e1t cho ng\u01b0\u1eddi nh\u1eadn v\u00e0 ch\u1edd ng\u01b0\u1eddi nh\u1eadn ho\u00e0n th\u00e0nh ho\u1eb7c tr\u1ea3 l\u1ea1i quy\u1ec1n ki\u1ec3m so\u00e1t. Tin nh\u1eafn b\u1ea5t \u0111\u1ed3ng b\u1ed9:Ng\u01b0\u1eddi g\u1eedi g\u1eedi m\u1ed9t t\u00edn hi\u1ec7u v\u00e0 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n ch\u1edd \u0111\u1ee3i. Ng\u01b0\u1eddi nh\u1eadn v\u00e0 ng\u01b0\u1eddi g\u1eedi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi. Tin nh\u1eafn tr\u1ea3 v\u1ec1:Ch\u1ec9 ra vi\u1ec7c tr\u1ea3 v\u1ec1 t\u1eeb m\u1ed9t l\u1eddi g\u1ecdi th\u1ee7 t\u1ee5c. Tin nh\u1eafn kh\u00f4ng t\u1ee9c th\u1eddi:M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ee9c th\u1eddi (m\u0169i t\u00ean ngang), m\u1ed9t m\u0169i t\u00ean xi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 ra r\u1eb1ng vi\u1ec7c truy\u1ec1n tin nh\u1eafn m\u1ea5t th\u1eddi gian. T\u1ea1o v\u00e0 ph\u00e1 h\u1ee7y C\u00e1c th\u00e0nh vi\u00ean kh\u00f4ng lu\u00f4n t\u1ed3n t\u1ea1i trong su\u1ed1t th\u1eddi gian c\u1ee7a s\u01a1 \u0111\u1ed3. M\u1ed9t tin nh\u1eafn t\u1ea1ot\u1ea1o ra ng\u01b0\u1eddi nh\u1eadn (\u0111\u1eb7t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi \u1edf ph\u00eda d\u01b0\u1edbi s\u01a1 \u0111\u1ed3 h\u01a1n). M\u1ed9t tin nh\u1eafn h\u1ee7yph\u00e1 h\u1ee7y ng\u01b0\u1eddi nh\u1eadn, k\u1ebft th\u00fac \u0111\u01b0\u1eddng \u0111\u1eddi c\u1ee7a n\u00f3. C\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p \u0110\u1ec3 m\u00f4 h\u00ecnh h\u00f3a logic ph\u1ee9c t\u1ea1p nh\u01b0 v\u00f2ng l\u1eb7p, nh\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn, UML s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p. \u0110\u00e2y l\u00e0 c\u00e1c khung h\u00ecnh ch\u1eef nh\u1eadt bao quanh m\u1ed9t ph\u1ea7n c\u1ee7a t\u01b0\u01a1ng t\u00e1c. C\u00e1c to\u00e1n t\u1eed \u0111o\u1ea1n ph\u1ed5 bi\u1ebfn To\u00e1n t\u1eed \u00dd ngh\u0129a alt Nhi\u1ec1u \u0111o\u1ea1n thay th\u1ebf; ch\u1ec9 \u0111o\u1ea1n n\u00e0o c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c thi (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi if..else). opt T\u00f9y ch\u1ecdn; \u0111o\u1ea1n n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c thi n\u1ebfu \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang. loop \u0110o\u1ea1n n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c thi nhi\u1ec1u l\u1ea7n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n","_yoast_wpseo_metadesc":"Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML v\u1edbi h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y. H\u1ecdc v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng, tin nh\u1eafn, c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p nh\u01b0 alt v\u00e0 loop, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n k\u00fd hi\u1ec7u.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3354","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/title>\n<meta name=\"description\" content=\"Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML v\u1edbi h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y. 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