{"id":620,"date":"2026-04-02T00:44:08","date_gmt":"2026-04-02T00:44:08","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/comparing-uml-activity-diagram-types-selecting-right-shape\/"},"modified":"2026-04-02T00:44:08","modified_gmt":"2026-04-02T00:44:08","slug":"comparing-uml-activity-diagram-types-selecting-right-shape","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/comparing-uml-activity-diagram-types-selecting-right-shape\/","title":{"rendered":"So s\u00e1nh c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: Ch\u1ecdn h\u00ecnh d\u1ea1ng ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n"},"content":{"rendered":"<p>Khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c quy tr\u00ecnh kinh doanh ph\u1ee9c t\u1ea1p ho\u1eb7c lu\u1ed3ng c\u00f4ng vi\u1ec7c ph\u1ea7n m\u1ec1m, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. 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 h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng. Trong s\u1ed1 c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c nhau, s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng n\u1ed5i b\u1eadt nh\u1edd kh\u1ea3 n\u0103ng th\u1ec3 hi\u1ec7n lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 d\u1eef li\u1ec7u. Tuy nhi\u00ean, l\u0129nh v\u1ef1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kh\u1ed1i th\u1ed1ng nh\u1ea5t. C\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5u tr\u00fac kh\u00e1c nhau ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch ri\u00eang bi\u1ec7t t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 nh\u1eefng n\u00e9t tinh t\u1ebf c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y, gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn c\u1ea5u tr\u00fac ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"UML Activity Diagram infographic guide showing core shapes including activity nodes, control flows, decision diamonds, fork\/join bars, and swimlanes; compares sequential versus parallel flow structures; provides scenario-based selection criteria for students and developers; designed with clean flat style, black outlines, and pastel accent colors on white background\" decoding=\"async\" src=\"https:\/\/www.viz-tools.com\/wp-content\/uploads\/2026\/03\/uml-activity-diagram-shapes-guide-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d Hi\u1ec3u r\u00f5 m\u1ee5c \u0111\u00edch c\u1ee7a s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng m\u00f4 t\u1ea3 b\u1ea3n ch\u1ea5t \u0111\u1ed9ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb ho\u1ea1t \u0111\u1ed9ng n\u00e0y sang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh kinh doanh ho\u1eb7c logic chi ti\u1ebft c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac, s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng t\u1eadp trung v\u00e0o h\u00e0nh vi theo th\u1eddi gian. N\u00f3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho:<\/p>\n<ul>\n<li>Tr\u1ef1c quan h\u00f3a th\u1ee9 t\u1ef1 c\u00e1c thao t\u00e1c trong h\u1ec7 th\u1ed1ng.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn trong lu\u1ed3ng c\u00f4ng vi\u1ec7c.<\/li>\n<li>L\u00e0m r\u00f5 tr\u00e1ch nhi\u1ec7m c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n ho\u1eb7c vai tr\u00f2 kh\u00e1c nhau.<\/li>\n<li>M\u00f4 t\u1ea3 logic c\u1ee7a c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn \u0111\u00fang h\u00ecnh d\u1ea1ng \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 truy\u1ec1n \u0111\u1ea1t th\u00f4ng \u0111i\u1ec7p mong mu\u1ed1n m\u00e0 kh\u00f4ng g\u00e2y hi\u1ec3u l\u1ea7m. S\u1eed d\u1ee5ng lu\u1ed3ng tuy\u1ebfn t\u00ednh \u0111\u01a1n gi\u1ea3n cho m\u1ed9t qu\u00e1 tr\u00ecnh song song s\u1ebd khi\u1ebfn c\u00e1c b\u00ean li\u00ean quan b\u1ed1i r\u1ed1i. Ng\u01b0\u1ee3c l\u1ea1i, d\u00f9ng c\u1ea5u tr\u00fac song song ph\u1ee9c t\u1ea1p cho m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n s\u1ebd t\u1ea1o ra g\u00e1nh n\u1eb7ng nh\u1eadn th\u1ee9c kh\u00f4ng c\u1ea7n thi\u1ebft. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 \u0111\u1ed3ng th\u1eddi, c\u00e1c \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh v\u00e0 nhu c\u1ea7u t\u1ed5 ch\u1ee9c c\u1ee7a quy tr\u00ecnh.<\/p>\n<h2>\ud83c\udfd7\ufe0f C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 h\u00ecnh d\u1ea1ng c\u1ed1t l\u00f5i<\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u00e1c lo\u1ea1i c\u1ee5 th\u1ec3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n. M\u1ecdi s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c n\u00fat v\u00e0 c\u1ea1nh chu\u1ea9n.<\/p>\n<h3>1. N\u00fat ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>M\u1ed9t n\u00fat ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t giai \u0111o\u1ea1n c\u00f4ng vi\u1ec7c. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt tr\u00f2n. B\u00ean trong, b\u1ea1n m\u00f4 t\u1ea3 h\u00e0nh \u0111\u1ed9ng \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u1eeb m\u1ed9t l\u1eddi g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c duy nh\u1ea5t trong m\u00e3 ngu\u1ed3n \u0111\u1ebfn m\u1ed9t b\u01b0\u1edbc nghi\u1ec7p v\u1ee5 c\u1ea5p cao nh\u01b0 \u201cDuy\u1ec7t vay ti\u1ec1n\u201d.<\/p>\n<h3>2. C\u1ea1nh lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/h3>\n<p>C\u00e1c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n k\u1ebft n\u1ed1i c\u00e1c n\u00fat ho\u1ea1t \u0111\u1ed9ng. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c truy\u1ec1n \u0111i\u1ec1u khi\u1ec3n theo th\u1ee9 t\u1ef1. \u0110\u1ea7u m\u0169i t\u00ean cho bi\u1ebft h\u01b0\u1edbng c\u1ee7a lu\u1ed3ng. \u0110\u00e2y l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a s\u01a1 \u0111\u1ed3, cho th\u1ea5y \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra ti\u1ebfp theo.<\/p>\n<h3>3. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n<p>Kh\u00e1c v\u1edbi lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n, lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u ho\u1eb7c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eadt l\u00fd. M\u1ed9t n\u00fat \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf, v\u00e0 lu\u1ed3ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi theo d\u00f5i tr\u1ea1ng th\u00e1i d\u1eef li\u1ec7u qua qu\u00e1 tr\u00ecnh.<\/p>\n<h3>4. N\u00fat quy\u1ebft \u0111\u1ecbnh v\u00e0 n\u00fat h\u1ee3p nh\u1ea5t<\/h3>\n<p>C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh l\u00e0 h\u00ecnh thoi, chia nh\u00e1nh lu\u1ed3ng d\u1ef1a tr\u00ean m\u1ed9t \u0111i\u1ec1u ki\u1ec7n. C\u00e1c n\u00fat h\u1ee3p nh\u1ea5t k\u1ebft h\u1ee3p nhi\u1ec1u lu\u1ed3ng l\u1ea1i v\u1edbi nhau. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a logic v\u00e0 c\u00e1c nh\u00e1nh \u0111\u01b0\u1eddng \u0111i.<\/p>\n<h2>\u2696\ufe0f C\u1ea5u tr\u00fac tu\u1ea7n t\u1ef1 so v\u1edbi c\u1ea5u tr\u00fac song song<\/h2>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t trong s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng n\u1eb1m \u1edf c\u00e1ch c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp. \u0110i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh b\u1ea1n c\u00f3 n\u00ean d\u00f9ng m\u1ed9t tr\u00ecnh t\u1ef1 \u0111\u01a1n gi\u1ea3n hay m\u1ed9t c\u1ea5u tr\u00fac \u0111\u1ed3ng th\u1eddi hay kh\u00f4ng.<\/p>\n<h3>Lu\u1ed3ng tu\u1ea7n t\u1ef1<\/h3>\n<p>Trong m\u00f4 h\u00ecnh tu\u1ea7n t\u1ef1, m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ph\u1ea3i ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp theo b\u1eaft \u0111\u1ea7u. \u0110\u00e2y l\u00e0 lu\u1ed3ng ti\u00eau chu\u1ea9n cho c\u00e1c quy tr\u00ecnh tuy\u1ebfn t\u00ednh.<\/p>\n<ul>\n<li><strong>V\u00ed d\u1ee5 s\u1eed d\u1ee5ng:<\/strong> Quy tr\u00ecnh \u0111\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng, trong \u0111\u00f3 x\u00e1c th\u1ef1c email ph\u1ea3i x\u1ea3y ra tr\u01b0\u1edbc khi t\u1ea1o t\u00e0i kho\u1ea3n.<\/li>\n<li><strong>H\u00ecnh d\u1ea1ng tr\u1ef1c quan:<\/strong> M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng g\u1ed3m c\u00e1c n\u00fat ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1edfi c\u00e1c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong>D\u1ec5 \u0111\u1ecdc v\u00e0 hi\u1ec3u. T\u1ea3i nh\u1eadn th\u1ee9c th\u1ea5p.<\/li>\n<\/ul>\n<h3>Lu\u1ed3ng song song (chia v\u00e0 h\u1ee3p nh\u1ea5t)<\/h3>\n<p>Th\u1ef1c thi song song cho ph\u00e9p nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng x\u1ea3y ra \u0111\u1ed3ng th\u1eddi. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1c n\u00fat Fork v\u00e0 Join.<\/p>\n<ul>\n<li><strong>N\u00fat Fork:<\/strong> M\u1ed9t thanh d\u00e0y n\u1eb1m ngang ho\u1eb7c d\u1ecdc, chia m\u1ed9t lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n th\u00e0nh nhi\u1ec1u lu\u1ed3ng \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>N\u00fat Join:<\/strong> M\u1ed9t thanh d\u00e0y ch\u1edd t\u1ea5t c\u1ea3 c\u00e1c lu\u1ed3ng \u0111\u1ed3ng th\u1eddi \u0111\u1ea7u v\u00e0o ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c lu\u1ed3ng \u0111\u1ea7u ra duy nh\u1ea5t.<\/li>\n<li><strong>V\u00ed d\u1ee5 s\u1eed d\u1ee5ng:<\/strong> M\u1ed9t quy tr\u00ecnh thanh to\u00e1n th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed n\u01a1i x\u1eed l\u00fd thanh to\u00e1n v\u00e0 \u0111\u1eb7t gi\u1eef h\u00e0ng t\u1ed3n kho x\u1ea3y ra \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> \u0110\u1ea1i di\u1ec7n ch\u00ednh x\u00e1c c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u t\u00e0i nguy\u00ean ho\u1eb7c lu\u1ed3ng \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ul>\n<h3>So s\u00e1nh c\u00e1c lo\u1ea1i lu\u1ed3ng<\/h3>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>Lu\u1ed3ng tu\u1ea7n t\u1ef1<\/th>\n<th>Lu\u1ed3ng song song<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u1ee9 t\u1ef1 th\u1ef1c thi<\/td>\n<td>L\u1ea7n l\u01b0\u1ee3t, t\u1eebng c\u00e1i m\u1ed9t<\/td>\n<td>\u0110\u1ed3ng th\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng t\u00e0i nguy\u00ean<\/td>\n<td>M\u1ed9t t\u00e0i nguy\u00ean duy nh\u1ea5t<\/td>\n<td>Nhi\u1ec1u t\u00e0i nguy\u00ean<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c h\u00ecnh d\u1ea1ng ch\u00ednh<\/td>\n<td>N\u00fat ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td>N\u00fat Fork, Join, n\u00fat ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi<\/td>\n<td>C\u00e1c quy tr\u00ecnh tuy\u1ebfn t\u00ednh<\/td>\n<td>C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83c\udf0a Vai tr\u00f2 c\u1ee7a c\u00e1c l\u00e0n b\u01a1i<\/h2>\n<p>Khi m\u1ed9t quy tr\u00ecnh li\u00ean quan \u0111\u1ebfn nhi\u1ec1u t\u00e1c nh\u00e2n, b\u1ed9 ph\u1eadn ho\u1eb7c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng, s\u01a1 \u0111\u1ed3 ph\u1eb3ng s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed1i ren. C\u00e1c l\u00e0n b\u01a1i gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch chia s\u01a1 \u0111\u1ed3 th\u00e0nh c\u00e1c d\u1ea3i d\u1ecdc ho\u1eb7c ngang. M\u1ed7i l\u00e0n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t tr\u00e1ch nhi\u1ec7m c\u1ee5 th\u1ec3.<\/p>\n<h3>C\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng tr\u01b0\u1ee3t<\/h3>\n<ul>\n<li><strong>\u0110\u01b0\u1eddng tr\u01b0\u1ee3t ng\u01b0\u1eddi tham gia:<\/strong> Nh\u00f3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo vai tr\u00f2 ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 ch\u00fang (v\u00ed d\u1ee5: Kh\u00e1ch h\u00e0ng, Qu\u1ea3n tr\u1ecb vi\u00ean, H\u1ec7 th\u1ed1ng).<\/li>\n<li><strong>\u0110\u01b0\u1eddng tr\u01b0\u1ee3t l\u1edbp:<\/strong> Nh\u00f3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo l\u1edbp ho\u1eb7c th\u1ec3 hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng x\u1eed l\u00fd c\u00f4ng vi\u1ec7c.<\/li>\n<li><strong>\u0110\u01b0\u1eddng tr\u01b0\u1ee3t ch\u1ee9c n\u0103ng:<\/strong> Nh\u00f3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo b\u1ed9 ph\u1eadn ho\u1eb7c ch\u1ee9c n\u0103ng (v\u00ed d\u1ee5: B\u00e1n h\u00e0ng, Logistics, H\u1ed7 tr\u1ee3).<\/li>\n<\/ul>\n<h3>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng tr\u01b0\u1ee3t<\/h3>\n<p>B\u1ea1n n\u00ean gi\u1edbi thi\u1ec7u c\u00e1c \u0111\u01b0\u1eddng tr\u01b0\u1ee3t khi s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean kh\u00f3 theo d\u00f5i v\u1ec1 ai \u0111ang l\u00e0m g\u00ec. N\u1ebfu lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111i t\u1eeb m\u1ed9t b\u00ean trang sang b\u00ean kia m\u00e0 kh\u00f4ng c\u00f3 l\u00fd do r\u00f5 r\u00e0ng, m\u1ed9t \u0111\u01b0\u1eddng tr\u01b0\u1ee3t c\u00f3 th\u1ec3 gi\u00fap l\u00e0m r\u00f5 \u0111i\u1ec3m chuy\u1ec3n giao.<\/p>\n<ul>\n<li><strong>R\u00f5 r\u00e0ng:<\/strong> Gi\u1ea3m nhu c\u1ea7u s\u1eed d\u1ee5ng nh\u00e3n v\u0103n b\u1ea3n \u0111\u1ec3 gi\u1ea3i th\u00edch tr\u00e1ch nhi\u1ec7m.<\/li>\n<li><strong>Tr\u00e1ch nhi\u1ec7m:<\/strong> Gi\u00fap l\u00e0m r\u00f5 ai l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho t\u1eebng b\u01b0\u1edbc c\u1ee5 th\u1ec3.<\/li>\n<li><strong>T\u00edch h\u1ee3p:<\/strong> Gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m chuy\u1ec3n giao gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ho\u1eb7c nh\u00f3m kh\u00e1c nhau.<\/li>\n<\/ul>\n<h3>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho \u0111\u01b0\u1eddng tr\u01b0\u1ee3t<\/h3>\n<ul>\n<li>Gi\u1eef s\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng tr\u01b0\u1ee3t \u1edf m\u1ee9c d\u1ec5 qu\u1ea3n l\u00fd. Qu\u00e1 nhi\u1ec1u \u0111\u01b0\u1eddng tr\u01b0\u1ee3t s\u1ebd khi\u1ebfn s\u01a1 \u0111\u1ed3 r\u1ed9ng v\u00e0 kh\u00f3 quan s\u00e1t.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o lu\u1ed3ng kh\u00f4ng \u0111i ngang qua c\u00e1c \u0111\u01b0\u1eddng tr\u01b0\u1ee3t m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft, tr\u1eeb khi n\u00f3 \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec3m chuy\u1ec3n giao.<\/li>\n<li>S\u1eed d\u1ee5ng th\u1ee9 t\u1ef1 nh\u1ea5t qu\u00e1n (v\u00ed d\u1ee5: t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi ho\u1eb7c t\u1eeb tr\u00e1i sang ph\u1ea3i) \u0111\u1ec3 d\u1eabn d\u1eaft ng\u01b0\u1eddi \u0111\u1ecdc.<\/li>\n<\/ul>\n<h2>\ud83d\udd00 C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh v\u00e0 ki\u1ec3m so\u00e1t logic<\/h2>\n<p>C\u00e1c quy tr\u00ecnh hi\u1ebfm khi tuy\u1ebfn t\u00ednh. Ch\u00fang bao g\u1ed3m c\u00e1c l\u1ef1a ch\u1ecdn. C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh cho ph\u00e9p lu\u1ed3ng nh\u00e1nh ra d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n ki\u1ec3u boolean ho\u1eb7c bi\u1ec3u th\u1ee9c b\u1ea3o v\u1ec7.<\/p>\n<h3>N\u00fat quy\u1ebft \u0111\u1ecbnh \u0111\u01a1n l\u1ebb so v\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n<p>M\u1ed9t n\u00fat quy\u1ebft \u0111\u1ecbnh duy nh\u1ea5t c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u c\u1ea1nh ra. M\u1ed7i c\u1ea1nh n\u00ean c\u00f3 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 trong d\u1ea5u ngo\u1eb7c, v\u00ed d\u1ee5 nh\u01b0<code>[\u0110\u01b0\u1ee3c ch\u1ea5p thu\u1eadn]<\/code> ho\u1eb7c <code>[B\u1ecb t\u1eeb ch\u1ed1i]<\/code>. T\u1ed5ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ea3i bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ec3 tr\u00e1nh c\u00e1c \u0111i\u1ec3m ch\u1ebft.<\/p>\n<h3>Quy\u1ebft \u0111\u1ecbnh so v\u1edbi G\u1ed9p<\/h3>\n<p>R\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa n\u00fat Quy\u1ebft \u0111\u1ecbnh (h\u00ecnh thoi) v\u00e0 n\u00fat G\u1ed9p (h\u00ecnh thoi kh\u00f4ng c\u00f3 \u0111u\u00f4i). M\u1ed9t n\u00fat Quy\u1ebft \u0111\u1ecbnh chia m\u1ed9t \u0111\u01b0\u1eddng th\u00e0nh nhi\u1ec1u \u0111\u01b0\u1eddng. M\u1ed9t n\u00fat G\u1ed9p k\u1ebft h\u1ee3p nhi\u1ec1u \u0111\u01b0\u1eddng th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng. Ch\u00fang l\u00e0 ngh\u1ecbch \u0111\u1ea3o c\u1ee7a nhau.<\/p>\n<h3>V\u00ed d\u1ee5 t\u00ecnh hu\u1ed1ng<\/h3>\n<p>X\u00e9t m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u0103ng nh\u1eadp:<\/p>\n<ul>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng:<\/strong> Nh\u1eadp m\u1eadt kh\u1ea9u.<\/li>\n<li><strong>Quy\u1ebft \u0111\u1ecbnh:<\/strong>M\u1eadt kh\u1ea9u c\u00f3 \u0111\u00fang kh\u00f4ng?<\/li>\n<li><strong>\u0110\u01b0\u1eddng d\u1eabn A:<\/strong> [C\u00f3] \u2192 C\u1ea5p quy\u1ec1n truy c\u1eadp.<\/li>\n<li><strong>\u0110\u01b0\u1eddng d\u1eabn B:<\/strong> [Kh\u00f4ng] \u2192 Hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i.<\/li>\n<\/ul>\n<h2>\ud83d\udce6 Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng so v\u1edbi lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/h2>\n<p>S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng x\u1ea3y ra gi\u1eefa lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n (tr\u00ecnh t\u1ef1) v\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u (\u0111\u1ed1i t\u01b0\u1ee3ng). Ph\u00e2n bi\u1ec7t ch\u00fang l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu cho m\u00f4 h\u00ecnh h\u00f3a d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/p>\n<h3>Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/h3>\n<p>Ch\u1ec9 ra r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u. N\u00f3 li\u00ean quan \u0111\u1ebfn th\u1eddi gian v\u00e0 tr\u00ecnh t\u1ef1.<\/p>\n<h3>Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n<p>Ch\u1ec9 ra r\u1eb1ng m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u1ea1o ra, thay \u0111\u1ed5i ho\u1eb7c ti\u00eau th\u1ee5. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u.<\/p>\n<h3>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n<ul>\n<li>Khi tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c b\u01b0\u1edbc.<\/li>\n<li>Khi b\u1ea1n c\u1ea7n theo d\u00f5i v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t th\u1ef1c th\u1ec3 c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: \u0111\u1ed1i t\u01b0\u1ee3ng \u0110\u01a1n h\u00e0ng).<\/li>\n<li>Khi \u0111\u1ea7u ra c\u1ee7a m\u1ed9t ho\u1ea1t \u0111\u1ed9ng l\u00e0 \u0111\u1ea7u v\u00e0o c\u1ee7a ho\u1ea1t \u0111\u1ed9ng kh\u00e1c.<\/li>\n<\/ul>\n<h2>\ud83d\udee0\ufe0f Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn: Ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn c\u1ea5u tr\u00fac s\u01a1 \u0111\u1ed3 \u0111\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o l\u0129nh v\u1ef1c v\u1ea5n \u0111\u1ec1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 1: Quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n<\/h3>\n<p>N\u1ebfu quy tr\u00ecnh l\u00e0 tuy\u1ebfn t\u00ednh v\u00e0 ch\u1ec9 li\u00ean quan \u0111\u1ebfn m\u1ed9t ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n, h\u00e3y s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng tu\u1ea7n t\u1ef1 c\u01a1 b\u1ea3n. Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c lu\u1ed3ng b\u01a1i ho\u1eb7c song song \u0111\u1ec3 tr\u00e1nh l\u00e0m ph\u1ee9c t\u1ea1p h\u00f3a qu\u00e1 m\u1ee9c.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 2: Quy tr\u00ecnh nhi\u1ec1u ng\u01b0\u1eddi tham gia<\/h3>\n<p>N\u1ebfu nhi\u1ec1u ph\u00f2ng ban ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c lu\u1ed3ng b\u01a1i. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u1ef1c quan h\u00f3a r\u00f5 r\u00e0ng c\u00e1c \u0111i\u1ec3m chuy\u1ec3n giao v\u00e0 ranh gi\u1edbi gi\u1eefa c\u00e1c tr\u00e1ch nhi\u1ec7m.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 3: Nhi\u1ec7m v\u1ee5 \u0111\u1ed3ng th\u1eddi<\/h3>\n<p>N\u1ebfu c\u00e1c nhi\u1ec7m v\u1ee5 c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi (v\u00ed d\u1ee5: x\u1eed l\u00fd n\u1ec1n), h\u00e3y s\u1eed d\u1ee5ng c\u00e1c n\u00fat Fork v\u00e0 Join. \u0110i\u1ec1u n\u00e0y m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 4: Quy tr\u00ecnh n\u1eb7ng v\u1ec1 d\u1eef li\u1ec7u<\/h3>\n<p>N\u1ebfu vi\u1ec7c di chuy\u1ec3n d\u1eef li\u1ec7u quan tr\u1ecdng h\u01a1n th\u1eddi gian, h\u00e3y nh\u1ea5n m\u1ea1nh v\u00e0o lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng. Hi\u1ec3n th\u1ecb c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u1ea7u v\u00e0o \u0111\u1ebfn \u0111\u1ea7u ra.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 5: Logic ph\u1ee9c t\u1ea1p<\/h3>\n<p>N\u1ebfu c\u00f3 nhi\u1ec1u nh\u00e1nh \u0111\u01b0\u1eddng \u0111i, h\u00e3y c\u1ea9n tr\u1ecdng khi s\u1eed d\u1ee5ng c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh l\u1ed3ng gh\u00e9p. H\u00e3y c\u00e2n nh\u1eafc chia bi\u1ec3u \u0111\u1ed3 th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ec5 \u0111\u1ecdc.<\/p>\n<h2>\ud83d\udeab Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>Ngay c\u1ea3 khi s\u1eed d\u1ee5ng c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u00fang, l\u1ed7i v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra. H\u00e3y c\u1ea3nh gi\u00e1c v\u1edbi nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n<ul>\n<li><strong>\u0110i\u1ec3m ch\u1ebft:<\/strong>\u0110\u1ea3m b\u1ea3o m\u1ecdi lu\u1ed3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn m\u1ed9t n\u00fat cu\u1ed1i c\u00f9ng. M\u1ed9t bi\u1ec3u \u0111\u1ed3 d\u1eebng l\u1ea1i \u0111\u1ed9t ng\u1ed9t cho th\u1ea5y c\u00f3 l\u1ed7i trong logic.<\/li>\n<li><strong>V\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n:<\/strong>C\u00e1c v\u00f2ng l\u1eb7p while l\u00e0 h\u1ee3p l\u1ec7, nh\u01b0ng h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng trong bi\u1ec3u \u0111\u1ed3. Tr\u00e1nh c\u00e1c chu tr\u00ecnh kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>C\u00e1c lu\u1ed3ng tr\u00f4i ch\u1ed3ng l\u1ea5n:<\/strong>Kh\u00f4ng \u0111\u1eb7t c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u00e0o nhi\u1ec1u lu\u1ed3ng tr\u00f4i tr\u1eeb khi n\u00f3 \u0111\u1ea1i di\u1ec7n cho tr\u00e1ch nhi\u1ec7m chung, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y nh\u1ea7m l\u1eabn.<\/li>\n<li><strong>B\u1ecf qua c\u00e1c ngo\u1ea1i l\u1ec7:<\/strong>M\u1ed9t bi\u1ec3u \u0111\u1ed3 v\u1eefng ch\u1eafc c\u1ea7n t\u00ednh \u0111\u1ebfn c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u1ed7i. \u0110\u1eebng ch\u1ec9 m\u00f4 h\u00ecnh h\u00f3a \u0111\u01b0\u1eddng \u0111i su\u00f4n s\u1ebb.<\/li>\n<li><strong>Qu\u00e1 nhi\u1ec1u c\u1ea5p \u0111\u1ed9:<\/strong>N\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 c\u00f3 qu\u00e1 nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng con, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng t\u1ed5ng h\u1ee3p (m\u1ed9t quy tr\u00ecnh con) \u0111\u1ec3 che gi\u1ea5u \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<h2>\ud83d\udcc8 T\u00edch h\u1ee3p v\u1edbi c\u00e1c bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c<\/h2>\n<p>Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. N\u00f3 ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi c\u00e1c bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c \u0111\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n.<\/p>\n<h3>Bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho th\u1ea5y h\u1ec7 th\u1ed1ng l\u00e0m g\u00ec t\u1eeb g\u00f3c nh\u00ecn ng\u01b0\u1eddi d\u00f9ng. Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng cho th\u1ea5y h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3 nh\u01b0 th\u1ebf n\u00e0o \u1edf b\u00ean trong. B\u1ea1n c\u00f3 th\u1ec3 li\u00ean k\u1ebft bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 chi ti\u1ebft h\u00f3a c\u00e1ch tri\u1ec3n khai c\u1ee7a n\u00f3.<\/p>\n<h3>Bi\u1ec3u \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3 tr\u1ea1ng th\u00e1i t\u1eadp trung v\u00e0o tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t. Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng t\u1eadp trung v\u00e0o lu\u1ed3ng h\u00e0nh \u0111\u1ed9ng. S\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 tr\u1ea1ng th\u00e1i cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: m\u1ed9t \u0110\u01a1n h\u00e0ng), v\u00e0 bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng cho c\u00e1c quy tr\u00ecnh li\u00ean quan \u0111\u1ebfn nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<h3>Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 th\u1ec3 hi\u1ec7n c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo th\u1eddi gian. Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng th\u1ec3 hi\u1ec7n logic \u0111i\u1ec1u khi\u1ec3n nh\u1eefng t\u01b0\u01a1ng t\u00e1c \u0111\u00f3. Ch\u00fang b\u1ed5 tr\u1ee3 l\u1eabn nhau r\u1ea5t t\u1ed1t; bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng cung c\u1ea5p logic \u0111i\u1ec1u khi\u1ec3n, trong khi bi\u1ec3u \u0111\u1ed3 tu\u1ea7n t\u1ef1 cung c\u1ea5p chi ti\u1ebft giao ti\u1ebfp.<\/p>\n<h2>\ud83d\udee1\ufe0f B\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n<\/h2>\n<p>Quy tr\u00ecnh thay \u0111\u1ed5i. Khi y\u00eau c\u1ea7u ph\u00e1t tri\u1ec3n, bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n ph\u1ea3i th\u00edch nghi. Vi\u1ec7c duy tr\u00ec bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt.<\/p>\n<ul>\n<li><strong>Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong>Xem bi\u1ec3u \u0111\u1ed3 nh\u01b0 m\u00e3 ngu\u1ed3n. Theo d\u00f5i c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi logic tr\u1ef1c quan.<\/li>\n<li><strong>V\u00f2ng ki\u1ec3m tra:<\/strong>\u0110\u00e1nh gi\u00e1 bi\u1ec3u \u0111\u1ed3 \u0111\u1ecbnh k\u1ef3 c\u00f9ng c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy t\u1eafc kinh doanh hi\u1ec7n t\u1ea1i.<\/li>\n<li><strong>T\u00e0i li\u1ec7u:<\/strong>Th\u00eam ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c quy\u1ebft \u0111\u1ecbnh ph\u1ee9c t\u1ea1p ho\u1eb7c b\u1ed1i c\u1ea3nh l\u1ecbch s\u1eed m\u00e0 kh\u00f4ng r\u00f5 r\u00e0ng t\u1eeb c\u00e1c h\u00ecnh d\u1ea1ng.<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n h\u00f3a:<\/strong>X\u00e1c \u0111\u1ecbnh m\u1ed9t quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean cho c\u00e1c n\u00fat v\u00e0 lu\u1ed3ng \u0111\u1ec3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a m\u00f4 h\u00ecnh tr\u00ean to\u00e0n b\u1ed9 d\u1ef1 \u00e1n.<\/li>\n<\/ul>\n<h2>Nh\u1eefng c\u00e2n nh\u1eafc cu\u1ed1i c\u00f9ng cho th\u00e0nh c\u00f4ng trong m\u00f4 h\u00ecnh h\u00f3a<\/h2>\n<p>T\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 l\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n. M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea1o ra m\u1ed9t ki\u1ec7t t\u00e1c th\u1ecb gi\u00e1c, m\u00e0 l\u00e0 h\u1ed7 tr\u1ee3 s\u1ef1 hi\u1ec3u bi\u1ebft gi\u1eefa c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m. B\u1eb1ng c\u00e1ch ch\u1ecdn \u0111\u00fang c\u00e1c h\u00ecnh d\u1ea1ng\u2014d\u00f9 l\u00e0 lu\u1ed3ng tu\u1ea7n t\u1ef1 \u0111\u01a1n gi\u1ea3n hay c\u1ea5u tr\u00fac song song ph\u1ee9c t\u1ea1p v\u1edbi c\u00e1c lu\u1ed3ng d\u1ecdc\u2014b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng logic \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ea1t ch\u00ednh x\u00e1c.<\/p>\n<p>H\u00e3y nh\u1edb r\u1eb1ng s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp. N\u1ebfu m\u1ed9t b\u00ean li\u00ean quan kh\u00f4ng th\u1ec3 hi\u1ec3u lu\u1ed3ng trong v\u00e0i ph\u00fat, th\u00ec \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u00f3 l\u1ebd qu\u00e1 cao. \u0110\u01a1n gi\u1ea3n h\u00f3a c\u00e1c h\u00ecnh d\u1ea1ng, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng ch\u00e9o nhau, v\u00e0 t\u1eadp trung v\u00e0o c\u00e1c \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng. Vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i s\u01a1 \u0111\u1ed3 s\u1ebd trao quy\u1ec1n cho nh\u00f3m nh\u00ecn r\u00f5 quy tr\u00ecnh, ph\u00e1t hi\u1ec7n c\u1ea3i ti\u1ebfn v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 mong \u0111\u1ee3i.<\/p>\n<p>D\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t t\u00ednh n\u0103ng ph\u1ea7n m\u1ec1m m\u1edbi hay l\u1eadp b\u1ea3n \u0111\u1ed3 cho m\u1ed9t ho\u1ea1t \u0111\u1ed9ng kinh doanh, c\u00e1c nguy\u00ean t\u1eafc m\u00f4 h\u00ecnh h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u1eabn lu\u00f4n nh\u1ea5t qu\u00e1n. H\u00e3y t\u1eadp trung v\u00e0o lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n, s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u v\u00e0 s\u1ef1 ph\u00e2n chia tr\u00e1ch nhi\u1ec7m. V\u1edbi nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o v\u1ecb tr\u00ed \u0111\u00fang, s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh b\u1ea3n thi\u1ebft k\u1ebf \u0111\u00e1ng tin c\u1eady cho th\u00e0nh c\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c quy tr\u00ecnh kinh doanh ph\u1ee9c t\u1ea1p ho\u1eb7c lu\u1ed3ng c\u00f4ng vi\u1ec7c ph\u1ea7n m\u1ec1m, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":621,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML: Ch\u1ecdn h\u00ecnh d\u1ea1ng ph\u00f9 h\u1ee3p","_yoast_wpseo_metadesc":"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c ch\u1ecdn c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML. 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