{"id":622,"date":"2026-04-01T21:33:25","date_gmt":"2026-04-01T21:33:25","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagrams-beginner-guide\/"},"modified":"2026-04-01T21:33:25","modified_gmt":"2026-04-01T21:33:25","slug":"uml-activity-diagrams-beginner-guide","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/uml-activity-diagrams-beginner-guide\/","title":{"rendered":"M\u1ed9t T\u1ed5ng Quan Ch\u1eafc Ch\u1eafn v\u1ec1 S\u01a1 \u0110\u1ed3 Ho\u1ea1t \u0110\u1ed9ng UML d\u00e0nh cho C\u00e1c L\u1eadp Tr\u00ecnh Vi\u00ean M\u1edbi B\u1eaft \u0110\u1ea7u"},"content":{"rendered":"

Hi\u1ec3u \u0111\u01b0\u1ee3c lu\u1ed3ng logic trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 ph\u00e1t tri\u1ec3n n\u00e0o. Trong khi m\u00e3 ngu\u1ed3n n\u00f3i v\u1edbi m\u00e1y t\u00ednh \u0111i\u1ec1u g\u00ec c\u1ea7n l\u00e0m, c\u00e1c m\u00f4 h\u00ecnh tr\u1ef1c quan gi\u00fap con ng\u01b0\u1eddi hi\u1ec3u c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc khi vi\u1ebft b\u1ea5t k\u1ef3 d\u00f2ng m\u00e3 n\u00e0o. Trong s\u1ed1 c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a kh\u00e1c nhau, s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 bi\u1ec3u di\u1ec5n quy tr\u00ecnh l\u00e0m vi\u1ec7c. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00fa ph\u00e1p, ng\u1eef ngh\u0129a v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 th\u01b0\u01a1ng m\u1ea1i c\u1ee5 th\u1ec3.<\/p>\n

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\"Hand-drawn<\/figure>\n<\/div>\n

\ud83e\udde0 S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n

S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 h\u00e0nh vi trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML). M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 m\u00f4 t\u1ea3 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 d\u1eef li\u1ec7u t\u1eeb m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u00e0y sang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c. H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t s\u01a1 \u0111\u1ed3 lu\u1ed3ng ph\u1ee9c t\u1ea1p, v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c b\u01b0\u1edbc tuy\u1ebfn t\u00ednh \u0111\u01a1n gi\u1ea3n. N\u00f3 ghi l\u1ea1i c\u00e1c kh\u00eda c\u1ea1nh \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, cho th\u1ea5y c\u00e1ch c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo tr\u00ecnh t\u1ef1, n\u01a1i c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra v\u00e0 c\u00e1ch c\u00e1c qu\u00e1 tr\u00ecnh song song t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi b\u1eaft \u0111\u1ea7u, s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho c\u00e1c thu\u1eadt to\u00e1n v\u00e0 quy tr\u00ecnh kinh doanh. N\u00f3 t\u1ea1o ra s\u1ef1 li\u00ean k\u1ebft gi\u1eefa c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng v\u00e0 vi\u1ec7c tri\u1ec3n khai c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch tr\u1ef1c quan h\u00f3a logic, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m ngh\u1ebdn ti\u1ec1m \u1ea9n, l\u1ed7i logic ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n b\u1ecb thi\u1ebfu tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh l\u1ed7i trong c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n.<\/p>\n

    \n
  • T\u1eadp trung v\u00e0o h\u00e0nh vi:<\/strong>Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac th\u1ec3 hi\u1ec7n c\u00e1c th\u00e0nh ph\u1ea7n, s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng th\u1ec3 hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c.<\/li>\n
  • T\u1eeb c\u1ea5p cao \u0111\u1ebfn c\u1ea5p th\u1ea5p:<\/strong>Ch\u00fang c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c quy tr\u00ecnh kinh doanh c\u1ea5p cao ho\u1eb7c c\u00e1c b\u01b0\u1edbc thu\u1eadt to\u00e1n chi ti\u1ebft.<\/li>\n
  • K\u00fd hi\u1ec7u chu\u1ea9n h\u00f3a:<\/strong>Vi\u1ec7c s\u1eed d\u1ee5ng UML \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 nh\u00e0 ph\u00e1t tri\u1ec3n hay b\u00ean li\u00ean quan n\u00e0o c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ecdc s\u01a1 \u0111\u1ed3 n\u00e0y, b\u1ea5t k\u1ec3 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt c\u1ee7a h\u1ecd.<\/li>\n<\/ul>\n

    \ud83d\udee0\ufe0f C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 k\u00fd hi\u1ec7u c\u1ed1t l\u00f5i<\/h2>\n

    \u0110\u1ec3 t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng h\u1ee3p l\u1ec7, b\u1ea1n ph\u1ea3i hi\u1ec3u c\u00e1c k\u00fd hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 bi\u1ec3u th\u1ecb c\u00e1c tr\u1ea1ng th\u00e1i v\u00e0 chuy\u1ec3n ti\u1ebfp kh\u00e1c nhau. Nh\u1eefng k\u00fd hi\u1ec7u n\u00e0y t\u1ea1o th\u00e0nh t\u1eeb v\u1ef1ng c\u1ee7a s\u01a1 \u0111\u1ed3. M\u1ed7i h\u00ecnh d\u1ea1ng \u0111\u1ec1u c\u00f3 \u00fd ngh\u0129a c\u1ee5 th\u1ec3 v\u1ec1 c\u00e1ch \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng qua h\u1ec7 th\u1ed1ng.<\/p>\n

    1. C\u00e1c n\u00fat Kh\u1edfi \u0111\u1ea7u v\u00e0 K\u1ebft th\u00fac<\/h3>\n

    M\u1ecdi quy tr\u00ecnh \u0111\u1ec1u c\u1ea7n m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u v\u00e0 m\u1ed9t \u0111i\u1ec3m k\u1ebft th\u00fac. Trong UML, ch\u00fang \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c h\u00ecnh tr\u00f2n t\u00f4 \u0111\u1ea7y.<\/p>\n

      \n
    • N\u00fat Kh\u1edfi \u0111\u1ea7u:<\/strong>M\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m v\u00e0o c\u1ee7a ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u khi\u1ec3n s\u1ebd ch\u1ea3y ra t\u1eeb n\u00fat n\u00e0y \u0111\u1ebfn h\u00e0nh \u0111\u1ed9ng \u0111\u1ea7u ti\u00ean.<\/li>\n
    • N\u00fat K\u1ebft th\u00fac Ho\u1ea1t \u0111\u1ed9ng:<\/strong>M\u1ed9t h\u00ecnh tr\u00f2n c\u00f3 m\u1ed9t ch\u1ea5m \u1edf b\u00ean trong. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c ho\u00e0n th\u00e0nh th\u00e0nh c\u00f4ng to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
    • N\u00fat K\u1ebft th\u00fac Lu\u1ed3ng:<\/strong>M\u1ed9t ch\u1eef \u2018X\u2019 b\u00ean trong h\u00ecnh tr\u00f2n. \u0110i\u1ec1u n\u00e0y cho bi\u1ebft m\u1ed9t lu\u1ed3ng c\u1ee5 th\u1ec3 \u0111\u00e3 k\u1ebft th\u00fac m\u00e0 kh\u00f4ng l\u00e0m d\u1eebng to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 vi\u1ec7c tho\u00e1t s\u1edbm ho\u1eb7c k\u1ebft th\u00fac m\u1ed9t nh\u00e1nh c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

      2. C\u00e1c n\u00fat H\u00e0nh \u0111\u1ed9ng<\/h3>\n

      C\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n cho c\u00f4ng vi\u1ec7c \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Ch\u00fang l\u00e0 c\u00e1c h\u1ed9p h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 g\u00f3c bo tr\u00f2n. B\u00ean trong h\u1ed9p, b\u1ea1n ghi nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cX\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o ng\u01b0\u1eddi d\u00f9ng\u201d ho\u1eb7c \u201cT\u00ednh t\u1ed5ng gi\u00e1 ti\u1ec1n\u201d. M\u1ed9t n\u00fat h\u00e0nh \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t thao t\u00e1c \u0111\u01a1n l\u1ebb ho\u1eb7c m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia nh\u1ecf h\u01a1n n\u1eefa.<\/p>\n

      3. C\u00e1c n\u00fat Quy\u1ebft \u0111\u1ecbnh v\u00e0 G\u1ed9p<\/h3>\n

      Logic trong ph\u1ea7n m\u1ec1m hi\u1ebfm khi tuy\u1ebfn t\u00ednh. N\u00f3 bao g\u1ed3m c\u00e1c l\u1ef1a ch\u1ecdn. C\u00e1c h\u00ecnh thoi \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m nh\u00e1nh n\u00e0y.<\/p>\n

        \n
      • N\u00fat Quy\u1ebft \u0111\u1ecbnh:<\/strong>H\u00ecnh thoi. \u0110\u00e2y l\u00e0 n\u01a1i lu\u1ed3ng \u0111\u01b0\u1ee3c chia t\u00e1ch d\u1ef1a tr\u00ean m\u1ed9t \u0111i\u1ec1u ki\u1ec7n. V\u00ed d\u1ee5, n\u1ebfu m\u1eadt kh\u1ea9u \u0111\u00fang, m\u1ed9t nh\u00e1nh s\u1ebd \u0111\u01b0\u1ee3c \u0111i theo; n\u1ebfu sai, m\u1ed9t nh\u00e1nh kh\u00e1c s\u1ebd \u0111\u01b0\u1ee3c theo. B\u1ea1n ph\u1ea3i g\u00e1n nh\u00e3n cho c\u00e1c c\u1ea1nh ra v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cC\u00f3\u201d ho\u1eb7c \u201cKh\u00f4ng\u201d.<\/li>\n
      • N\u00fat G\u1ed9p:<\/strong>C\u0169ng l\u00e0 h\u00ecnh thoi, nh\u01b0ng n\u00f3 k\u1ebft h\u1ee3p nhi\u1ec1u lu\u1ed3ng \u0111\u1ea7u v\u00e0o th\u00e0nh m\u1ed9t lu\u1ed3ng \u0111\u1ea7u ra duy nh\u1ea5t. N\u00f3 kh\u00f4ng th\u1ef1c hi\u1ec7n logic; ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 n\u1ed1i l\u1ea1i c\u00e1c nh\u00e1nh \u0111\u00e3 t\u00e1ch ra tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n<\/ul>\n

        4. C\u00e1c n\u00fat Chia v\u00e0 G\u1ed9p<\/h3>\n

        C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng x\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 c\u00f9ng l\u00fac. C\u00e1c thanh \u0111en d\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi.<\/p>\n

          \n
        • N\u00fat chia:<\/strong>M\u1ed9t thanh ngang ho\u1eb7c d\u1ecdc d\u00e0y. \u0110i\u1ec1u n\u00e0y chia m\u1ed9t lu\u1ed3ng \u0111\u1ea7u v\u00e0o th\u00e0nh nhi\u1ec1u lu\u1ed3ng \u0111\u1ea7u ra song song. N\u00f3 cho th\u1ea5y c\u00e1c ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp theo c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi.<\/li>\n
        • N\u00fat h\u1ee3p nh\u1ea5t:<\/strong>C\u0169ng l\u00e0 m\u1ed9t thanh d\u00e0y. N\u00f3 ch\u1edd cho t\u1ea5t c\u1ea3 c\u00e1c lu\u1ed3ng song song \u0111\u1ea7u v\u00e0o ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi cho ph\u00e9p lu\u1ed3ng \u0111\u1ea7u ra duy nh\u1ea5t ti\u1ebfp t\u1ee5c. N\u00f3 \u0111\u1ed3ng b\u1ed9 h\u00f3a c\u00e1c qu\u00e1 tr\u00ecnh song song.<\/li>\n<\/ul>\n

          \ud83d\udd04 Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n so v\u1edbi lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h2>\n

          Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1ch \u0111i\u1ec1u khi\u1ec3n di chuy\u1ec3n v\u00e0 c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c. UML ph\u00e2n bi\u1ec7t ch\u00fang b\u1eb1ng c\u00e1c ki\u1ec3u m\u0169i t\u00ean kh\u00e1c nhau.<\/p>\n\n\n\n\n\n\n\n
          Lo\u1ea1i<\/th>\nKi\u1ec3u m\u0169i t\u00ean<\/th>\nM\u1ee5c \u0111\u00edch<\/th>\nV\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n
          Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/strong><\/td>\nM\u0169i t\u00ean h\u1edf<\/td>\nHi\u1ec3n th\u1ecb th\u1ee9 t\u1ef1 c\u00e1c h\u00e0nh \u0111\u1ed9ng v\u00e0 logic.<\/td>\nSau b\u01b0\u1edbc A, b\u01b0\u1edbc B b\u1eaft \u0111\u1ea7u.<\/td>\n<\/tr>\n
          Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong><\/td>\n\u0110\u01b0\u1eddng th\u1eb3ng c\u00f3 m\u0169i t\u00ean<\/td>\nHi\u1ec3n th\u1ecb s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng gi\u1eefa c\u00e1c ho\u1ea1t \u0111\u1ed9ng.<\/td>\nD\u1eef li\u1ec7u di chuy\u1ec3n t\u1eeb \u0110\u1ea7u v\u00e0o \u0111\u1ebfn X\u1eed l\u00fd.<\/td>\n<\/tr>\n
          C\u1ecdc (\u0110\u1ea7u v\u00e0o\/\u0110\u1ea7u ra)<\/strong><\/td>\nV\u00f2ng tr\u00f2n nh\u1ecf<\/td>\nBi\u1ec3u di\u1ec5n d\u1eef li\u1ec7u \u0111ang v\u00e0o ho\u1eb7c ra kh\u1ecfi m\u1ed9t h\u00e0nh \u0111\u1ed9ng.<\/td>\nTruy\u1ec1n m\u1ed9t ID ng\u01b0\u1eddi d\u00f9ng v\u00e0o m\u1ed9t h\u00e0m.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          C\u00e1c lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i c\u00e1c c\u1ecdc tr\u00ean c\u00e1c n\u00fat h\u00e0nh \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u. V\u00ed d\u1ee5, m\u1ed9t h\u00e0nh \u0111\u1ed9ng c\u00f3 th\u1ec3 nh\u1eadn m\u1ed9t “Chu\u1ed7i th\u00f4” l\u00e0m \u0111\u1ea7u v\u00e0o v\u00e0 t\u1ea1o ra m\u1ed9t “\u0110\u1ed1i t\u01b0\u1ee3ng \u0111\u00e3 ph\u00e2n t\u00edch” l\u00e0m \u0111\u1ea7u ra. \u0110\u01b0\u1eddng lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng n\u1ed1i c\u1ecdc \u0111\u1ea7u ra c\u1ee7a m\u1ed9t h\u00e0nh \u0111\u1ed9ng v\u1edbi c\u1ecdc \u0111\u1ea7u v\u00e0o c\u1ee7a h\u00e0nh \u0111\u1ed9ng kh\u00e1c.<\/p>\n

          \ud83c\udfca C\u00e1c lu\u1ed3ng b\u01a1i \u0111\u1ec3 t\u1ed5 ch\u1ee9c<\/h2>\n

          Khi s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n, ch\u00fang c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed1i ren c\u00e1c \u0111\u01b0\u1eddng. C\u00e1c lu\u1ed3ng b\u01a1i cung c\u1ea5p c\u00e1ch t\u1ed5 ch\u1ee9c c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo tr\u00e1ch nhi\u1ec7m. M\u1ed9t lu\u1ed3ng b\u01a1i l\u00e0 m\u1ed9t h\u1ed9p h\u00ecnh \u1ea3nh gi\u00fap nh\u00f3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan l\u1ea1i v\u1edbi nhau.<\/p>\n

            \n
          • Lu\u1ed3ng b\u01a1i d\u1ecdc:<\/strong>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00e1ch tr\u00e1ch nhi\u1ec7m theo t\u00e1c nh\u00e2n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cKh\u00e1ch h\u00e0ng\u201d, \u201cM\u00e1y ch\u1ee7\u201d ho\u1eb7c \u201cC\u01a1 s\u1edf d\u1eef li\u1ec7u\u201d.\n
              \n
            • Lu\u1ed3ng b\u01a1i ngang:<\/strong>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00e1ch c\u00e1c quy tr\u00ecnh theo b\u1ed9 ph\u1eadn, m\u00f4-\u0111un h\u1ec7 th\u1ed1ng ho\u1eb7c giai \u0111o\u1ea1n th\u1eddi gian.<\/li>\n<\/ul>\n<\/li>\n
            • L\u1ee3i \u00edch:<\/strong>\n
                \n
              • R\u00f5 r\u00e0ng v\u1ec1 ai ho\u1eb7c c\u00e1i g\u00ec th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng.<\/li>\n
              • X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m chuy\u1ec3n giao gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ho\u1eb7c vai tr\u00f2 kh\u00e1c nhau.<\/li>\n
              • Gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c n\u00fat li\u00ean quan l\u1ea1i v\u1edbi nhau.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                Khi lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111i qua ranh gi\u1edbi c\u1ee7a m\u1ed9t l\u00e0n b\u01a1i, n\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec3m chuy\u1ec3n giao. V\u00ed d\u1ee5, ng\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o n\u00fat (l\u00e0n kh\u00e1ch h\u00e0ng) s\u1ebd k\u00edch ho\u1ea1t m\u1ed9t y\u00eau c\u1ea7u m\u00e1y ch\u1ee7 (l\u00e0n m\u00e1y ch\u1ee7). \u0110\u01b0\u1eddng k\u1ebb v\u01b0\u1ee3t qua ranh gi\u1edbi cho th\u1ea5y s\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y.<\/p>\n

                \ud83d\ude80 \u0110\u1ed3ng th\u1eddi: X\u1eed l\u00fd song song<\/h2>\n

                M\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 kh\u1ea3 n\u0103ng m\u00f4 h\u00ecnh h\u00f3a t\u00ednh song song. Trong ph\u1ea7n m\u1ec1m th\u1ef1c t\u1ebf, c\u00e1c t\u00e1c v\u1ee5 th\u01b0\u1eddng ch\u1ea1y \u0111\u1ed3ng th\u1eddi. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111ang t\u1ea3i m\u1ed9t t\u1ec7p tin trong khi \u0111\u1ed3ng th\u1eddi ki\u1ec3m tra c\u1eadp nh\u1eadt.<\/p>\n

                \u0110\u1ec3 m\u00f4 h\u00ecnh h\u00f3a \u0111i\u1ec1u n\u00e0y:<\/p>\n

                  \n
                1. T\u1ea1o m\u1ed9t \u0111i\u1ec3m ph\u00e2n nh\u00e1nh:<\/strong>V\u1ebd m\u1ed9t thanh d\u00e0y ngay sau ho\u1ea1t \u0111\u1ed9ng ban \u0111\u1ea7u.<\/li>\n
                2. X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u01b0\u1eddng \u0111i song song:<\/strong>V\u1ebd nhi\u1ec1u c\u1ea1nh ra kh\u1ecfi \u0111i\u1ec3m ph\u00e2n nh\u00e1nh. M\u1ed7i c\u1ea1nh d\u1eabn \u0111\u1ebfn m\u1ed9t ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau.<\/li>\n
                3. Th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5:<\/strong>C\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u00e0y ch\u1ea1y \u0111\u1ed3ng th\u1eddi.<\/li>\n
                4. S\u1eed d\u1ee5ng \u0111i\u1ec3m n\u1ed1i:<\/strong>V\u1ebd m\u1ed9t thanh d\u00e0y t\u1ea1i n\u01a1i c\u00e1c \u0111\u01b0\u1eddng \u0111i h\u1ed9i t\u1ee5. H\u1ec7 th\u1ed1ng s\u1ebd ch\u1edd cho \u0111\u1ebfn khi t\u1ea5t c\u1ea3 c\u00e1c t\u00e1c v\u1ee5 song song ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c sau \u0111i\u1ec3m n\u1ed1i.<\/li>\n<\/ol>\n

                  R\u1ea5t quan tr\u1ecdng l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i \u0111i\u1ec3m ph\u00e2n nh\u00e1nh \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111i\u1ec3m n\u1ed1i t\u01b0\u01a1ng \u1ee9ng. N\u1ebfu c\u00e1c \u0111\u01b0\u1eddng \u0111i t\u00e1ch ra nh\u01b0ng kh\u00f4ng bao gi\u1edd h\u1ed9i t\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c lu\u1ed3ng b\u1ecb b\u1ecf r\u01a1i ho\u1eb7c l\u1ed7i logic trong thi\u1ebft k\u1ebf. H\u01a1n n\u1eefa, h\u00e3y c\u1ea9n tr\u1ecdng v\u1edbi c\u00e1c v\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n. N\u1ebfu m\u1ed9t n\u00fat quy\u1ebft \u0111\u1ecbnh lu\u00f4n \u0111i\u1ec1u h\u01b0\u1edbng lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n tr\u1edf l\u1ea1i \u0111i\u1ec3m tr\u01b0\u1edbc m\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac, s\u01a1 \u0111\u1ed3 s\u1ebd \u0111\u1ea1i di\u1ec7n cho m\u1ed9t qu\u00e1 tr\u00ecnh v\u00f4 h\u1ea1n.<\/p>\n

                  \ud83d\udcdd V\u00ed d\u1ee5 th\u1ef1c t\u1ebf: Quy tr\u00ecnh \u0111\u0103ng nh\u1eadp ng\u01b0\u1eddi d\u00f9ng<\/h2>\n

                  H\u00e3y c\u00f9ng \u0111i qua m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u1ee7ng c\u1ed1 c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y. X\u00e9t m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u0103ng nh\u1eadp ng\u01b0\u1eddi d\u00f9ng ti\u00eau chu\u1ea9n. V\u00ed d\u1ee5 n\u00e0y minh h\u1ecda c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh, c\u00e1c l\u00e0n b\u01a1i v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

                  T\u00ecnh hu\u1ed1ng:<\/strong>Ng\u01b0\u1eddi d\u00f9ng nh\u1eadp th\u00f4ng tin \u0111\u0103ng nh\u1eadp. H\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c ch\u00fang. N\u1ebfu h\u1ee3p l\u1ec7, phi\u00ean l\u00e0m vi\u1ec7c s\u1ebd b\u1eaft \u0111\u1ea7u. N\u1ebfu kh\u00f4ng h\u1ee3p l\u1ec7, s\u1ebd hi\u1ec3n th\u1ecb l\u1ed7i.<\/p>\n

                    \n
                  • B\u01b0\u1edbc 1: N\u00fat ban \u0111\u1ea7u.<\/strong>Quy tr\u00ecnh b\u1eaft \u0111\u1ea7u khi ng\u01b0\u1eddi d\u00f9ng m\u1edf trang \u0111\u0103ng nh\u1eadp.<\/li>\n
                  • B\u01b0\u1edbc 2: H\u00e0nh \u0111\u1ed9ng (Nh\u1eadp th\u00f4ng tin \u0111\u0103ng nh\u1eadp).<\/strong>Ng\u01b0\u1eddi d\u00f9ng nh\u1eadp t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u.<\/li>\n
                  • B\u01b0\u1edbc 3: Quy\u1ebft \u0111\u1ecbnh (X\u00e1c th\u1ef1c th\u00f4ng tin \u0111\u0103ng nh\u1eadp).<\/strong>Ki\u1ec3m tra c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm s\u1ef1 tr\u00f9ng kh\u1edbp.<\/li>\n
                  • B\u01b0\u1edbc 4: Nh\u00e1nh A (Th\u00e0nh c\u00f4ng).<\/strong>N\u1ebfu t\u00ecm th\u1ea5y s\u1ef1 tr\u00f9ng kh\u1edbp, t\u1ea1o m\u00e3 th\u00f4ng session. Ti\u1ebfn h\u00e0nh \u0111\u1ebfn B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n
                  • B\u01b0\u1edbc 5: Nh\u00e1nh B (Th\u1ea5t b\u1ea1i).<\/strong> N\u1ebfu kh\u00f4ng kh\u1edbp, hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o \u201cTh\u00f4ng tin x\u00e1c th\u1ef1c kh\u00f4ng h\u1ee3p l\u1ec7\u201d. Cho ph\u00e9p th\u1eed l\u1ea1i.<\/li>\n
                  • B\u01b0\u1edbc 6: N\u00fat cu\u1ed1i c\u00f9ng.<\/strong>Phi\u00ean l\u00e0m vi\u1ec7c k\u1ebft th\u00fac ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng xu\u1ea5t.<\/li>\n<\/ul>\n

                    Trong s\u01a1 \u0111\u1ed3 n\u00e0y, \u0111\u01b0\u1eddng d\u1eabn “Th\u1eed l\u1ea1i” t\u1eeb nh\u00e1nh l\u1ed7i quay tr\u1edf l\u1ea1i h\u00e0nh \u0111\u1ed9ng “Nh\u1eadp th\u00f4ng tin x\u00e1c th\u1ef1c”. V\u00f2ng l\u1eb7p n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh c\u00e1c n\u1ed7 l\u1ef1c v\u00f4 h\u1ea1n m\u00e0 kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf kh\u00f3a t\u00e0i kho\u1ea3n. M\u1ed9t \u0111\u01b0\u1eddng chia v\u00f9ng (swimlane) c\u00f3 th\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a “Ng\u01b0\u1eddi d\u00f9ng” kh\u1ecfi c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a “H\u1ec7 th\u1ed1ng” \u0111\u1ec3 l\u00e0m r\u00f5 t\u01b0\u01a1ng t\u00e1c.<\/p>\n

                    \u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

                    Ngay c\u1ea3 nh\u1eefng nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc l\u1ed7i. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, vi\u1ec7c tr\u00e1nh nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 chuy\u00ean nghi\u1ec7p.<\/p>\n

                    1. C\u00e1c n\u00fat b\u1ecb t\u00e1ch r\u1eddi<\/h3>\n

                    \u0110\u1ea3m b\u1ea3o m\u1ecdi n\u00fat h\u00e0nh \u0111\u1ed9ng \u0111\u1ec1u c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c t\u1eeb n\u00fat ban \u0111\u1ea7u. N\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t n\u00fat tr\u00f4i n\u1ed5i trong kh\u00f4ng gian m\u00e0 kh\u00f4ng c\u00f3 c\u1ea1nh \u0111\u1ea7u v\u00e0o, th\u00ec n\u00fat \u0111\u00f3 l\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp. T\u01b0\u01a1ng t\u1ef1, h\u00e3y \u0111\u1ea3m b\u1ea3o m\u1ecdi lu\u1ed3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn n\u00fat cu\u1ed1i c\u00f9ng. C\u00e1c nh\u00e1nh ch\u1ebft s\u1ebd l\u00e0m ng\u01b0\u1eddi \u0111\u1ecdc b\u1ed1i r\u1ed1i v\u00e0 ng\u1ee5 \u00fd r\u1eb1ng logic b\u1ecb h\u1ecfng.<\/p>\n

                    2. Chi ti\u1ebft qu\u00e1 m\u1ee9c<\/h3>\n

                    \u0110\u1eebng c\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a t\u1eebng d\u00f2ng m\u00e3 m\u1ed9t. S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng n\u00ean ghi l\u1ea1i lu\u1ed3ng logic, ch\u1ee9 kh\u00f4ng ph\u1ea3i chi ti\u1ebft tri\u1ec3n khai. N\u1ebfu m\u1ed9t h\u00e0nh \u0111\u1ed9ng qu\u00e1 ph\u1ee9c t\u1ea1p, h\u00e3y chia nh\u1ecf th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con. Gi\u1eef s\u01a1 \u0111\u1ed3 c\u1ea5p cao s\u1ea1ch s\u1ebd.<\/p>\n

                    3. Thi\u1ebfu nh\u00e3n<\/h3>\n

                    C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh y\u00eau c\u1ea7u c\u00f3 nh\u00e3n tr\u00ean c\u00e1c c\u1ea1nh \u0111\u1ea7u ra. Kh\u00f4ng c\u00f3 c\u00e1c nh\u00e3n nh\u01b0 “\u0110\u00fang” hay “Sai”, ng\u01b0\u1eddi \u0111\u1ecdc s\u1ebd kh\u00f4ng th\u1ec3 hi\u1ec3u \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng. Lu\u00f4n g\u00e1n nh\u00e3n cho c\u00e1c nh\u00e1nh c\u1ee7a b\u1ea1n.<\/p>\n

                    4. L\u1ea1m d\u1ee5ng \u0111\u01b0\u1eddng chia v\u00f9ng (swimlanes)<\/h3>\n

                    M\u1eb7c d\u00f9 \u0111\u01b0\u1eddng chia v\u00f9ng r\u1ea5t h\u1eefu \u00edch, nh\u01b0ng qu\u00e1 nhi\u1ec1u \u0111\u01b0\u1eddng chia v\u00f9ng s\u1ebd khi\u1ebfn s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean r\u1ed9ng v\u00e0 kh\u00f3 \u0111\u1ecdc. N\u1ebfu b\u1ea1n c\u00f3 h\u01a1n n\u0103m ho\u1eb7c s\u00e1u tr\u00e1ch nhi\u1ec7m, h\u00e3y c\u00e2n nh\u1eafc chia s\u01a1 \u0111\u1ed3 th\u00e0nh nhi\u1ec1u s\u01a1 \u0111\u1ed3 li\u00ean quan thay v\u00ec m\u1ed9t bi\u1ec3u \u0111\u1ed3 kh\u1ed5ng l\u1ed3.<\/p>\n

                    \ud83d\udcca S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng so v\u1edbi s\u01a1 \u0111\u1ed3 lu\u1ed3ng<\/h2>\n

                    Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML v\u1edbi s\u01a1 \u0111\u1ed3 lu\u1ed3ng truy\u1ec1n th\u1ed1ng. M\u1eb7c d\u00f9 ch\u00fang tr\u00f4ng gi\u1ed1ng nhau, nh\u01b0ng l\u1ea1i c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t v\u1ec1 ph\u1ea1m vi v\u00e0 \u00fd ngh\u0129a.<\/p>\n\n\n\n\n\n\n\n\n\n
                    T\u00ednh n\u0103ng<\/th>\nS\u01a1 \u0111\u1ed3 lu\u1ed3ng truy\u1ec1n th\u1ed1ng<\/th>\nS\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML<\/th>\n<\/tr>\n<\/thead>\n
                    Tr\u1ecdng t\u00e2m<\/strong><\/td>\nLogic quy tr\u00ecnh chung<\/td>\nH\u00e0nh vi h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m<\/td>\n<\/tr>\n
                    \u0110\u1ed3ng th\u1eddi<\/strong><\/td>\nHi\u1ebfm khi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td>\nH\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p (T\u00e1ch\/Ch\u1eafp n\u1ed1i)<\/td>\n<\/tr>\n
                    Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong><\/td>\nKh\u00f4ng chu\u1ea9n<\/td>\nH\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u r\u00f5 r\u00e0ng<\/td>\n<\/tr>\n
                    \u0110\u01b0\u1eddng chia v\u00f9ng<\/strong><\/td>\nS\u1eed d\u1ee5ng l\u1ecfng l\u1ebbo<\/td>\n\u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a nghi\u00eam ng\u1eb7t (Chia t\u00e1ch)<\/td>\n<\/tr>\n
                    Ti\u00eau chu\u1ea9n<\/strong><\/td>\nThay \u0111\u1ed5i theo c\u00f4ng c\u1ee5<\/td>\n\u0110\u01b0\u1ee3c chu\u1ea9n h\u00f3a b\u1edfi OMG (UML)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    S\u01a1 \u0111\u1ed3 UML ch\u1eb7t ch\u1ebd h\u01a1n. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng v\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, trong khi s\u01a1 \u0111\u1ed3 d\u00f2ng ch\u1ea3y l\u00e0 c\u00f4ng c\u1ee5 kinh doanh mang t\u00ednh t\u1ed5ng qu\u00e1t h\u01a1n. Vi\u1ec7c bao g\u1ed3m lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 t\u00ednh \u0111\u1ed3ng th\u1eddi khi\u1ebfn s\u01a1 \u0111\u1ed3 UML ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p.<\/p>\n

                    \u2705 C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u00f5 r\u00e0ng<\/h2>\n

                    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n l\u00e0 c\u00f4ng c\u1ee5 giao ti\u1ebfp hi\u1ec7u qu\u1ea3, h\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn sau.<\/p>\n

                      \n
                    • T\u00ean g\u1ecdi nh\u1ea5t qu\u00e1n:<\/strong>S\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t thu\u1eadt ng\u1eef cho c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u00ean c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c nhau. N\u1ebfu b\u1ea1n g\u1ecdi n\u00f3 l\u00e0 \u201cL\u1ea5y D\u1eef li\u1ec7u Ng\u01b0\u1eddi d\u00f9ng\u201d \u1edf m\u1ed9t n\u01a1i, \u0111\u1eebng g\u1ecdi n\u00f3 l\u00e0 \u201cTruy xu\u1ea5t Th\u00f4ng tin Ng\u01b0\u1eddi d\u00f9ng\u201d \u1edf n\u01a1i kh\u00e1c.<\/li>\n
                    • Lu\u1ed3ng h\u01b0\u1edbng d\u1eabn:<\/strong>S\u1eafp x\u1ebfp s\u01a1 \u0111\u1ed3 theo h\u01b0\u1edbng t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi ho\u1eb7c t\u1eeb tr\u00e1i sang ph\u1ea3i. Tr\u00e1nh c\u00e1c \u0111\u01b0\u1eddng giao nhau m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n
                    • S\u1eed d\u1ee5ng ch\u00fa th\u00edch:<\/strong>N\u1ebfu m\u1ed9t nh\u00e1nh logic kh\u00f4ng r\u00f5 r\u00e0ng, h\u00e3y th\u00eam ghi ch\u00fa ho\u1eb7c h\u1ed9p ch\u00fa th\u00edch \u0111\u1ec3 gi\u1ea3i th\u00edch l\u00fd do. \u0110i\u1ec1u n\u00e0y gi\u00fap nh\u1eefng ng\u01b0\u1eddi b\u1ea3o tr\u00ec sau n\u00e0y hi\u1ec3u \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch.<\/li>\n
                    • H\u1ea1n ch\u1ebf chi\u1ec1u r\u1ed9ng:<\/strong>N\u1ebfu s\u01a1 \u0111\u1ed3 tr\u1ea3i d\u00e0i h\u01a1n hai m\u00e0n h\u00ecnh theo chi\u1ec1u ngang, c\u00f3 kh\u1ea3 n\u0103ng n\u00f3 qu\u00e1 ph\u1ee9c t\u1ea1p. H\u00e3y c\u00e2n nh\u1eafc chia nh\u1ecf quy tr\u00ecnh.<\/li>\n
                    • Xem x\u00e9t c\u00f9ng c\u00e1c b\u00ean li\u00ean quan:<\/strong>Hi\u1ec3n th\u1ecb s\u01a1 \u0111\u1ed3 cho c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh ho\u1eb7c \u0111\u1ed3ng nghi\u1ec7p. N\u1ebfu h\u1ecd kh\u00f4ng theo d\u00f5i \u0111\u01b0\u1ee3c lu\u1ed3ng, s\u01a1 \u0111\u1ed3 c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a.<\/li>\n<\/ul>\n

                      \ud83d\udd17 T\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 UML kh\u00e1c<\/h2>\n

                      S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 sinh th\u00e1i l\u1edbn h\u01a1n g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh UML.<\/p>\n

                        \n
                      • S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau. S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng x\u00e1c \u0111\u1ecbnh c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng m\u1ee5c ti\u00eau \u0111\u00f3.<\/li>\n
                      • S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1:<\/strong>S\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 th\u1ec3 hi\u1ec7n c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng th\u1ec3 hi\u1ec7n logic n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c ho\u1eb7c quy tr\u00ecnh duy nh\u1ea5t. Ch\u00fang b\u1ed5 sung cho nhau r\u1ea5t t\u1ed1t.<\/li>\n
                      • S\u01a1 \u0111\u1ed3 L\u1edbp:<\/strong>S\u01a1 \u0111\u1ed3 l\u1edbp x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac. S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u1ea5u tr\u00fac \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thao t\u00e1c.<\/li>\n<\/ul>\n

                        B\u1eb1ng c\u00e1ch li\u00ean k\u1ebft c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y, b\u1ea1n t\u1ea1o n\u00ean b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5, m\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t m\u1ed9t l\u1eddi g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c, \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 chi ti\u1ebft trong s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1, ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 l\u1edbp.<\/p>\n

                        \ud83d\udee0\ufe0f T\u1ea1o s\u01a1 \u0111\u1ed3 m\u00e0 kh\u00f4ng c\u1ea7n c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3<\/h2>\n

                        B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea7n m\u1ec1m \u0111\u1eaft ti\u1ec1n \u0111\u1ec3 t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y. C\u00e1c nguy\u00ean t\u1eafc v\u1eabn gi\u1eef nguy\u00ean b\u1ea5t k\u1ec3 ph\u01b0\u01a1ng ti\u1ec7n s\u1eed d\u1ee5ng. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng:<\/p>\n

                          \n
                        • Gi\u1ea5y v\u00e0 b\u00fat:<\/strong>R\u1ea5t t\u1ed1t cho vi\u1ec7c l\u00ean \u00fd t\u01b0\u1edfng v\u00e0 ph\u00e1c th\u1ea3o ban \u0111\u1ea7u. \u0110\u1ed9 chi ti\u1ebft th\u1ea5p bu\u1ed9c t\u1eadp trung v\u00e0o logic thay v\u00ec th\u1ea9m m\u1ef9.<\/li>\n
                        • B\u1ea3ng tr\u1eafng:<\/strong>R\u1ea5t h\u1eefu \u00edch cho s\u1ef1 h\u1ee3p t\u00e1c nh\u00f3m trong c\u00e1c bu\u1ed5i thi\u1ebft k\u1ebf.<\/li>\n
                        • Ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf:<\/strong>C\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 ti\u00eau chu\u1ea9n UML m\u00e0 kh\u00f4ng c\u1ea7n ph\u00ed c\u1ea5p ph\u00e9p.<\/li>\n
                        • M\u00f4 t\u1ea3 d\u1ef1a tr\u00ean v\u0103n b\u1ea3n:<\/strong>M\u1ed9t s\u1ed1 nh\u00e0 ph\u00e1t tri\u1ec3n s\u1eed d\u1ee5ng v\u0103n b\u1ea3n c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 m\u00f4 t\u1ea3 lu\u1ed3ng tr\u01b0\u1edbc khi chuy\u1ec3n th\u00e0nh h\u00ecnh \u1ea3nh minh h\u1ecda.<\/li>\n<\/ul>\n

                          \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac th\u00f4ng tin, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00f4ng c\u1ee5 v\u1ebd. Gi\u00e1 tr\u1ecb n\u1eb1m \u1edf qu\u00e1 tr\u00ecnh suy ngh\u0129 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh.<\/p>\n

                          \ud83c\udf31 C\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c<\/h2>\n

                          Khi b\u1ea1n t\u00edch l\u0169y \u0111\u01b0\u1ee3c kinh nghi\u1ec7m, b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng ph\u00e1t tri\u1ec3n theo th\u1eddi gian. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch kh\u00e1i qu\u00e1t h\u00f3a logic ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con \u0111\u1ec3 gi\u1eef cho s\u01a1 \u0111\u1ed3 d\u1ec5 \u0111\u1ecdc. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch nh\u1eadn di\u1ec7n khi n\u00e0o s\u01a1 \u0111\u1ed3 l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 m\u1ed9t ghi ch\u00fa \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u1ee7.<\/p>\n

                          B\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a c\u00e1c thu\u1eadt to\u00e1n nh\u1ecf. Sau \u0111\u00f3 chuy\u1ec3n sang lu\u1ed3ng ng\u01b0\u1eddi d\u00f9ng. Cu\u1ed1i c\u00f9ng, x\u1eed l\u00fd c\u00e1c quy tr\u00ecnh c\u1ea5p h\u1ec7 th\u1ed1ng. K\u1ef9 n\u0103ng n\u00e0y \u0111\u1ebfn t\u1eeb th\u1ef1c h\u00e0nh. \u0110\u1eebng lo l\u1eafng v\u1ec1 s\u1ef1 ho\u00e0n h\u1ea3o trong b\u1ea3n nh\u00e1p \u0111\u1ea7u ti\u00ean. M\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 giao ti\u1ebfp hi\u1ec7u qu\u1ea3.<\/p>\n

                          \ud83c\udfaf T\u00f3m t\u1eaft<\/h2>\n

                          S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m. Ch\u00fang cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan r\u00f5 r\u00e0ng v\u1ec1 logic, lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u00ednh \u0111\u1ed3ng th\u1eddi. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng c\u00e1c k\u00fd hi\u1ec7u, hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng (swimlanes) v\u00e0 tr\u00e1nh nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi c\u00f3 th\u1ec3 truy\u1ec1n \u0111\u1ea1t c\u00e1c \u00fd t\u01b0\u1edfng ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Ng\u00f4n ng\u1eef tr\u1ef1c quan n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ef1 m\u01a1 h\u1ed3 v\u00e0 gi\u00fap c\u00e1c nh\u00f3m x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc. T\u1eadp trung v\u00e0o logic, duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y nh\u01b0 m\u1ed9t ph\u1ea7n s\u1ed1ng \u0111\u1ed9ng trong v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n.<\/p>\n

                          H\u00e3y nh\u1edb r\u1eb1ng s\u01a1 \u0111\u1ed3 l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 suy ngh\u0129, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u1ec3 t\u00e0i li\u1ec7u h\u00f3a. S\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra. V\u1edbi th\u1ef1c h\u00e0nh, b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y r\u1eb1ng vi\u1ec7c v\u1ebd lu\u1ed3ng h\u00e0nh \u0111\u1ed9ng th\u01b0\u1eddng l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 vi\u1ebft m\u00e3 s\u1ea1ch v\u00e0 logic.<\/p>\n","protected":false},"excerpt":{"rendered":"

                          Hi\u1ec3u \u0111\u01b0\u1ee3c lu\u1ed3ng logic trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 ph\u00e1t tri\u1ec3n n\u00e0o. Trong khi m\u00e3 ngu\u1ed3n n\u00f3i v\u1edbi…<\/p>\n","protected":false},"author":1,"featured_media":623,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \ud83d\udcca","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML v\u1edbi h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00e0y. 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