{"id":445,"date":"2026-03-24T12:09:49","date_gmt":"2026-03-24T12:09:49","guid":{"rendered":"https:\/\/www.go-minder.com\/vi\/uml-essentials-checklist-core-concepts-beginners\/"},"modified":"2026-03-24T12:09:49","modified_gmt":"2026-03-24T12:09:49","slug":"uml-essentials-checklist-core-concepts-beginners","status":"publish","type":"post","link":"https:\/\/www.go-minder.com\/vi\/uml-essentials-checklist-core-concepts-beginners\/","title":{"rendered":"Danh s\u00e1ch ki\u1ec3m tra thi\u1ebft y\u1ebfu UML: C\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i m\u00e0 m\u1ecdi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00ean bi\u1ebft"},"content":{"rendered":"

Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) \u0111\u00f3ng vai tr\u00f2 l\u00e0 ng\u00f4n ng\u1eef tr\u1ef1c quan chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh, x\u00e2y d\u1ef1ng v\u00e0 t\u00e0i li\u1ec7u h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai b\u01b0\u1edbc v\u00e0o l\u0129nh v\u1ef1c ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng ho\u1eb7c thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u UML kh\u00f4ng ch\u1ec9 l\u00e0 t\u00f9y ch\u1ecdn m\u00e0 c\u00f2n l\u00e0 y\u00eau c\u1ea7u c\u1ed1t l\u00f5i \u0111\u1ec3 giao ti\u1ebfp r\u00f5 r\u00e0ng. Danh s\u00e1ch ki\u1ec3m tra n\u00e0y n\u00eau b\u1eadt c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i, s\u01a1 \u0111\u1ed3 v\u00e0 k\u00fd hi\u1ec7u t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng cho vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3.<\/p>\n

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\"Child-friendly<\/figure>\n<\/div>\n

UML l\u00e0 g\u00ec? \ud83c\udfd7\ufe0f<\/h2>\n

UML l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a mang t\u00ednh t\u1ed5ng qu\u00e1t trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m. N\u00f3 cung c\u1ea5p m\u1ed9t c\u00e1ch chu\u1ea9n \u0111\u1ec3 tr\u1ef1c quan h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. Thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c y\u00eau c\u1ea7u d\u1ef1a tr\u00ean v\u0103n b\u1ea3n, UML cho ph\u00e9p c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o ra b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

Ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o nh\u1eefng n\u0103m 1990 nh\u1eb1m gi\u1ea3i quy\u1ebft s\u1ef1 nh\u1ea7m l\u1eabn do t\u1ed3n t\u1ea1i nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p m\u00f4 h\u00ecnh h\u00f3a c\u1ea1nh tranh nhau. K\u1ec3 t\u1eeb \u0111\u00f3, n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh chu\u1ea9n c\u00f4ng nghi\u1ec7p. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n hi\u1ec3u l\u00e0 UML kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ef1 th\u00e2n; n\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng k\u00fd hi\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau. UML kh\u00f4ng quy \u0111\u1ecbnh b\u1ea1n ph\u1ea3i x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m nh\u01b0 th\u1ebf n\u00e0o, m\u00e0 ch\u1ec9 h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch bi\u1ec3u di\u1ec5n n\u00f3 m\u1ed9t c\u00e1ch tr\u1ef1c quan.<\/p>\n

Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m:<\/p>\n

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  • Tr\u1ef1c quan h\u00f3a:<\/strong>C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p tr\u1edf n\u00ean d\u1ec5 hi\u1ec3u h\u01a1n khi \u0111\u01b0\u1ee3c v\u1ebd ra.<\/li>\n
  • Giao ti\u1ebfp:<\/strong>C\u00e1c b\u00ean li\u00ean quan, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ng\u01b0\u1eddi ki\u1ec3m th\u1eed chia s\u1ebb m\u1ed9t t\u1eeb v\u1ef1ng chung.<\/li>\n
  • T\u00e0i li\u1ec7u h\u00f3a:<\/strong>C\u00e1c m\u00f4 h\u00ecnh \u0111\u00f3ng vai tr\u00f2 l\u00e0 h\u1ed3 s\u01a1 v\u0129nh vi\u1ec5n v\u1ec1 c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf.<\/li>\n
  • T\u1ef1 \u0111\u1ed9ng h\u00f3a:<\/strong>C\u00e1c c\u00f4ng c\u1ee5 c\u00f3 th\u1ec3 t\u1ea1o ra khung m\u00e3 ngu\u1ed3n ho\u1eb7c t\u00e0i li\u1ec7u t\u1eeb s\u01a1 \u0111\u1ed3.<\/li>\n<\/ul>\n

    Hai nh\u00f3m ch\u00ednh: C\u1ea5u tr\u00fac so v\u1edbi H\u00e0nh vi \ud83d\udd04<\/h2>\n

    C\u00e1c s\u01a1 \u0111\u1ed3 UML \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m ch\u00ednh. Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 cho c\u00f4ng vi\u1ec7c.<\/p>\n

    1. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac<\/h3>\n

    C\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y m\u00f4 t\u1ea3 c\u00e1c kh\u00eda c\u1ea1nh t\u0129nh c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. Ch\u00fang th\u1ec3 hi\u1ec7n nh\u1eefng th\u00e0nh ph\u1ea7n t\u1ea1o n\u00ean h\u1ec7 th\u1ed1ng. H\u00e3y ngh\u0129 \u0111\u1ebfn \u0111\u00e2y nh\u01b0 l\u00e0 gi\u1ea3i ph\u1eabu c\u1ee7a ph\u1ea7n m\u1ec1m. N\u00f3 lu\u00f4n gi\u1eef nguy\u00ean d\u00f9 th\u1eddi gian hay c\u00e1c h\u00e0nh \u0111\u1ed9ng di\u1ec5n ra c\u00f3 thay \u0111\u1ed5i.<\/p>\n

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    • L\u1edbp<\/li>\n
    • \u0110\u1ed1i t\u01b0\u1ee3ng<\/li>\n
    • Giao di\u1ec7n<\/li>\n
    • N\u00fat<\/li>\n<\/ul>\n

      2. S\u01a1 \u0111\u1ed3 h\u00e0nh vi<\/h3>\n

      C\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y m\u00f4 t\u1ea3 c\u00e1c kh\u00eda c\u1ea1nh \u0111\u1ed9ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. Ch\u00fang th\u1ec3 hi\u1ec7n nh\u1eefng g\u00ec x\u1ea3y ra b\u00ean trong h\u1ec7 th\u1ed1ng. \u0110\u00e2y l\u00e0 sinh l\u00fd c\u1ee7a ph\u1ea7n m\u1ec1m, th\u1ec3 hi\u1ec7n c\u00e1c t\u01b0\u01a1ng t\u00e1c v\u00e0 lu\u1ed3ng h\u00e0nh vi theo th\u1eddi gian.<\/p>\n

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      • C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/li>\n
      • Ho\u1ea1t \u0111\u1ed9ng<\/li>\n
      • T\u01b0\u01a1ng t\u00e1c<\/li>\n
      • Thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i<\/li>\n<\/ul>\n

        S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac: N\u1ec1n t\u1ea3ng \ud83e\udde9<\/h2>\n

        C\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 m\u1ed1i quan h\u1ec7 t\u1ed3n t\u1ea1i xuy\u00ean su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 nh\u1eefng s\u01a1 \u0111\u1ed3 quan tr\u1ecdng nh\u1ea5t.<\/p>\n

        S\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n

        S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong UML. N\u00f3 ghi l\u1ea1i c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb c\u00e1c l\u1edbp, thu\u1ed9c t\u00ednh, thao t\u00e1c v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang.<\/p>\n

          \n
        • L\u1edbp:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt chia th\u00e0nh ba \u00f4 (T\u00ean, Thu\u1ed9c t\u00ednh, Thao t\u00e1c).<\/li>\n
        • Thu\u1ed9c t\u00ednh:<\/strong>D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u1edbp l\u01b0u tr\u1eef (v\u00ed d\u1ee5 nh\u01b0 gi\u00e1, t\u00ean, tr\u1ea1ng th\u00e1i<\/em>).<\/li>\n
        • Thao t\u00e1c:<\/strong>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c ho\u1eb7c h\u00e0m c\u00f3 s\u1eb5n cho l\u1edbp (v\u00ed d\u1ee5 nh\u01b0 t\u00ednhT\u1ed5ng(), l\u01b0u()<\/em>).<\/li>\n
        • M\u1ed1i quan h\u1ec7:<\/strong>C\u00e1c \u0111\u01b0\u1eddng n\u1ed1i gi\u1eefa c\u00e1c l\u1edbp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1ch ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/li>\n<\/ul>\n

          S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

          Trong khi s\u01a1 \u0111\u1ed3 l\u1edbp th\u1ec3 hi\u1ec7n m\u1eabu, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ec3 hi\u1ec7n c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee5 th\u1ec3 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 l\u00e0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p nhanh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

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          • \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp.<\/li>\n
          • Hi\u1ec3n th\u1ecb c\u00e1c gi\u00e1 tr\u1ecb d\u1eef li\u1ec7u th\u1ef1c t\u1ebf thay v\u00ec ki\u1ec3u d\u1eef li\u1ec7u.<\/li>\n
          • Gi\u00fap h\u1ed7 tr\u1ee3 g\u1ee1 l\u1ed7i c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

            S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/h3>\n

            S\u01a1 \u0111\u1ed3 n\u00e0y m\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. N\u00f3 nh\u00f3m m\u00e3 ngu\u1ed3n th\u00e0nh c\u00e1c \u0111\u01a1n v\u1ecb logic c\u00f3 th\u1ec3 tri\u1ec3n khai \u0111\u1ed9c l\u1eadp.<\/p>\n

              \n
            • Th\u00e0nh ph\u1ea7n:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 hai h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf h\u01a1n \u1edf ph\u00eda b\u00ean tr\u00e1i.<\/li>\n
            • Giao di\u1ec7n:<\/strong>Hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau (cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u).<\/li>\n
            • Ph\u1ee5 thu\u1ed9c:<\/strong>Hi\u1ec3n th\u1ecb c\u00e1ch m\u1ed9t th\u00e0nh ph\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n<\/ul>\n

              S\u01a1 \u0111\u1ed3 tri\u1ec3n khai<\/h3>\n

              S\u01a1 \u0111\u1ed3 n\u00e0y tr\u1ef1c quan h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. N\u00f3 \u00e1nh x\u1ea1 c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m \u0111\u1ebfn c\u00e1c n\u00fat v\u1eadt l\u00fd n\u01a1i ch\u00fang ch\u1ea1y.<\/p>\n

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              • N\u00fat:<\/strong> C\u00e1c thi\u1ebft b\u1ecb v\u1eadt l\u00fd nh\u01b0 m\u00e1y ch\u1ee7, m\u00e1y t\u00ednh x\u00e1ch tay ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn.<\/li>\n
              • C\u00e1c s\u1ea3n ph\u1ea9m:<\/strong> C\u00e1c t\u1ec7p v\u1eadt l\u00fd \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean c\u00e1c n\u00fat.<\/li>\n
              • C\u00e1c k\u1ebft n\u1ed1i:<\/strong> C\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n th\u00f4ng gi\u1eefa c\u00e1c n\u00fat.<\/li>\n<\/ul>\n

                S\u01a1 \u0111\u1ed3 g\u00f3i<\/h3>\n

                D\u00f9ng \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u00f4 h\u00ecnh th\u00e0nh c\u00e1c nh\u00f3m. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn.<\/p>\n

                  \n
                • C\u00e1c g\u00f3i:<\/strong> \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng bi\u1ec3u t\u01b0\u1ee3ng th\u01b0 m\u1ee5c.<\/li>\n
                • Kh\u00f4ng gian t\u00ean:<\/strong> Ng\u0103n ch\u1eb7n xung \u0111\u1ed9t t\u00ean gi\u1eefa c\u00e1c l\u1edbp trong c\u00e1c g\u00f3i kh\u00e1c nhau.<\/li>\n
                • C\u00e1c ph\u1ee5 thu\u1ed9c:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1c g\u00f3i n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c g\u00f3i kh\u00e1c.<\/li>\n<\/ul>\n

                  S\u01a1 \u0111\u1ed3 h\u00e0nh vi: Lu\u1ed3ng h\u00e0nh \u0111\u1ed9ng \ud83c\udfac<\/h2>\n

                  C\u00e1c s\u01a1 \u0111\u1ed3 h\u00e0nh vi m\u00f4 t\u1ea3 c\u00e1ch h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n. \u0110\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c logic v\u00e0 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

                  S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n

                  S\u01a1 \u0111\u1ed3 n\u00e0y ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng. N\u00f3 x\u00e1c \u0111\u1ecbnh ai t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 \u0111i\u1ec1u h\u1ecd mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n

                    \n
                  • C\u00e1c t\u00e1c nh\u00e2n:<\/strong> C\u00e1c h\u00ecnh v\u1ebd ng\u01b0\u1eddi nh\u1ecf bi\u1ec3u di\u1ec5n ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i.<\/li>\n
                  • C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> C\u00e1c h\u00ecnh elip bi\u1ec3u di\u1ec5n c\u00e1c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: \u201c\u0110\u0103ng nh\u1eadp\u201d, \u201cT\u1ea1o b\u00e1o c\u00e1o\u201d).<\/li>\n
                  • Bi\u00ean gi\u1edbi h\u1ec7 th\u1ed1ng:<\/strong> M\u1ed9t h\u1ed9p bao quanh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi.<\/li>\n
                  • C\u00e1c m\u1ed1i quan h\u1ec7:<\/strong> C\u00e1c \u0111\u01b0\u1eddng n\u1ed1i t\u1eeb c\u00e1c t\u00e1c nh\u00e2n \u0111\u1ebfn c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n

                    S\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1<\/h3>\n

                    S\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau theo th\u1eddi gian. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c chi ti\u1ebft nh\u1ea5t.<\/p>\n

                      \n
                    • C\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng:<\/strong> C\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng bi\u1ec3u di\u1ec5n c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c t\u00e1c nh\u00e2n.<\/li>\n
                    • C\u00e1c tin nh\u1eafn:<\/strong> C\u00e1c m\u0169i t\u00ean n\u1eb1m ngang th\u1ec3 hi\u1ec7n d\u1eef li\u1ec7u ho\u1eb7c l\u1ec7nh \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n
                    • C\u00e1c thanh k\u00edch ho\u1ea1t:<\/strong> C\u00e1c h\u00ecnh ch\u1eef nh\u1eadt tr\u00ean \u0111\u01b0\u1eddng s\u1ed1ng th\u1ec3 hi\u1ec7n khi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
                    • \u0110i\u1ec3m t\u1eadp trung \u0111i\u1ec1u khi\u1ec3n:<\/strong> Ch\u1ec9 ra lu\u1ed3ng th\u1ef1c thi hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n

                      S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n

                      Gi\u1ed1ng nh\u01b0 s\u01a1 \u0111\u1ed3 lu\u1ed3ng, s\u01a1 \u0111\u1ed3 n\u00e0y 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 h\u1eefu \u00edch \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh kinh doanh.<\/p>\n

                        \n
                      • Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111en \u0111\u1eadm.<\/li>\n
                      • Tr\u1ea1ng th\u00e1i cu\u1ed1i:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111\u1eadm c\u00f3 m\u1ed9t v\u00e0nh tr\u00f2n bao quanh.<\/li>\n
                      • C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh:<\/strong> C\u00e1c h\u00ecnh thoi bi\u1ec3u di\u1ec5n logic \u0111i\u1ec1u ki\u1ec7n.<\/li>\n
                      • C\u00e1c l\u00e0n b\u01a1i:<\/strong> S\u1eafp x\u1ebfp c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo b\u00ean ch\u1ecbu tr\u00e1ch nhi\u1ec7m ho\u1eb7c th\u00e0nh ph\u1ea7n.<\/li>\n<\/ul>\n

                        S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n

                        S\u01a1 \u0111\u1ed3 n\u00e0y m\u00f4 h\u00ecnh h\u00f3a v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng duy nh\u1ea5t. N\u00f3 th\u1ec3 hi\u1ec7n c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau m\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u1edf v\u00e0 c\u00e1ch n\u00f3 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u00f3.<\/p>\n

                          \n
                        • Tr\u1ea1ng th\u00e1i:<\/strong> C\u00e1c h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec1u ki\u1ec7n (v\u00ed d\u1ee5: \u201cM\u1edf\u201d, \u201c\u0110\u00f3ng\u201d).<\/li>\n
                        • C\u00e1c chuy\u1ec3n ti\u1ebfp:<\/strong> C\u00e1c m\u0169i t\u00ean di chuy\u1ec3n t\u1eeb m\u1ed9t tr\u1ea1ng th\u00e1i sang tr\u1ea1ng th\u00e1i kh\u00e1c.<\/li>\n
                        • S\u1ef1 ki\u1ec7n:<\/strong> C\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp (v\u00ed d\u1ee5: \u201cNg\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o G\u1eedi\u201d).<\/li>\n<\/ul>\n

                          C\u00e1c k\u00fd hi\u1ec7u v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng ch\u00ednh \ud83d\udcdd<\/h2>\n

                          T\u00ednh nh\u1ea5t qu\u00e1n trong k\u00fd hi\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi kh\u00e1c \u0111\u1ecdc hi\u1ec3u. B\u1ea3ng sau t\u00f3m t\u1eaft c\u00e1c k\u00fd hi\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u01a1 \u0111\u1ed3 UML.<\/p>\n\n\n\n\n\n\n\n\n\n
                          K\u00fd hi\u1ec7u<\/th>\nT\u00ean<\/th>\nC\u00e1ch s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n
                          L\u1edbp<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt<\/td>\n\u0110\u4ee3\u8868 m\u1ed9t l\u1edbp ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 c\u00e1c ng\u0103n ch\u1ee9a t\u00ean, thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c.<\/td>\n<\/tr>\n
                          Li\u00ean k\u1ebft<\/td>\n\u0110\u01b0\u1eddng th\u1eb3ng<\/td>\nM\u1ed9t m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (v\u00ed d\u1ee5: m\u1ed9t ng\u01b0\u1eddi s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc xe h\u01a1i).<\/td>\n<\/tr>\n
                          T\u1ed5ng h\u1ee3p<\/td>\nH\u00ecnh kim c\u01b0\u01a1ng r\u1ed7ng<\/td>\nM\u1ed9t m\u1ed1i quan h\u1ec7 \u201cto\u00e0n th\u1ec3-ph\u1ea7n\u201d y\u1ebfu (v\u00ed d\u1ee5: m\u1ed9t ph\u00f2ng ban c\u00f3 nh\u00e2n vi\u00ean).<\/td>\n<\/tr>\n
                          Th\u00e0nh ph\u1ea7n<\/td>\nH\u00ecnh kim c\u01b0\u01a1ng \u0111\u1ea7y<\/td>\nM\u1ed9t m\u1ed1i quan h\u1ec7 \u201cto\u00e0n th\u1ec3-ph\u1ea7n\u201d m\u1ea1nh m\u1ebd n\u01a1i c\u00e1c ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3.<\/td>\n<\/tr>\n
                          K\u1ebf th\u1eeba<\/td>\n\u0110\u01b0\u1eddng th\u1eb3ng v\u1edbi tam gi\u00e1c r\u1ed7ng<\/td>\nHi\u1ec3n th\u1ecb m\u1ed1i quan h\u1ec7 \u201cl\u00e0 m\u1ed9t\u201d (v\u00ed d\u1ee5: m\u1ed9t con ch\u00f3 l\u00e0 m\u1ed9t lo\u00e0i th\u00fa).<\/td>\n<\/tr>\n
                          Ph\u1ee5 thu\u1ed9c<\/td>\n\u0110\u01b0\u1eddng n\u00e9t \u0111\u1ee9t c\u00f3 m\u0169i t\u00ean<\/td>\nCh\u1ec9 ra r\u1eb1ng m\u1ed9t ph\u1ea7n t\u1eed s\u1eed d\u1ee5ng ho\u1eb7c ph\u1ee5 thu\u1ed9c v\u00e0o ph\u1ea7n t\u1eed kh\u00e1c.<\/td>\n<\/tr>\n
                          Th\u1ef1c hi\u1ec7n<\/td>\n\u0110\u01b0\u1eddng n\u00e9t \u0111\u1ee9t v\u1edbi tam gi\u00e1c r\u1ed7ng<\/td>\nCh\u1ec9 ra r\u1eb1ng m\u1ed9t l\u1edbp th\u1ef1c hi\u1ec7n m\u1ed9t giao di\u1ec7n.<\/td>\n<\/tr>\n<\/table>\n

                          Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u00e0o? \ud83e\udd14<\/h2>\n

                          Vi\u1ec7c ch\u1ecdn lo\u1ea1i s\u01a1 \u0111\u1ed3 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng tr\u1ea3 l\u1eddi v\u1ec1 h\u1ec7 th\u1ed1ng. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 nh\u1ea7m l\u1eabn ho\u1eb7c b\u1ecf s\u00f3t chi ti\u1ebft.<\/p>\n\n\n\n\n\n\n\n\n
                          Lo\u1ea1i s\u01a1 \u0111\u1ed3<\/th>\nC\u00e2u h\u1ecfi ch\u00ednh<\/th>\nT\u1ed1t nh\u1ea5t d\u00f9ng \u0111\u1ec3<\/th>\n<\/tr>\n
                          Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\nH\u1ec7 th\u1ed1ng l\u00e0m g\u00ec?<\/td>\nGhi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng v\u00e0 m\u1ee5c ti\u00eau ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n
                          L\u1edbp<\/td>\nC\u1ea5u tr\u00fac d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/td>\nThi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 m\u00e3 h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/td>\n<\/tr>\n
                          Chu\u1ed7i<\/td>\nC\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng n\u00f3i chuy\u1ec7n v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o?<\/td>\nThi\u1ebft k\u1ebf logic ph\u1ee9c t\u1ea1p v\u00e0 t\u01b0\u01a1ng t\u00e1c API.<\/td>\n<\/tr>\n
                          Ho\u1ea1t \u0111\u1ed9ng<\/td>\nQuy tr\u00ecnh ch\u1ea3y nh\u01b0 th\u1ebf n\u00e0o?<\/td>\nB\u1ea3n \u0111\u1ed3 h\u00f3a c\u00e1c quy tr\u00ecnh kinh doanh v\u00e0 thu\u1eadt to\u00e1n.<\/td>\n<\/tr>\n
                          M\u00e1y tr\u1ea1ng th\u00e1i<\/td>\n\u0110\u1ed1i t\u01b0\u1ee3ng thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o?<\/td>\nM\u00f4 h\u00ecnh h\u00f3a v\u00f2ng \u0111\u1eddi \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p (v\u00ed d\u1ee5: tr\u1ea1ng th\u00e1i \u0111\u01a1n h\u00e0ng).<\/td>\n<\/tr>\n
                          Tri\u1ec3n khai<\/td>\nN\u00f3 ch\u1ea1y \u1edf \u0111\u00e2u?<\/td>\nL\u00ean k\u1ebf ho\u1ea1ch h\u1ea1 t\u1ea7ng v\u00e0 ki\u1ebfn tr\u00fac m\u00e1y ch\u1ee7.<\/td>\n<\/tr>\n<\/table>\n

                          Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \u26a0\ufe0f<\/h2>\n

                          Ngay c\u1ea3 nh\u1eefng chuy\u00ean gia c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m khi t\u1ea1o m\u00f4 h\u00ecnh. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian \u0111\u00e1ng k\u1ec3 trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n.<\/p>\n

                          1. M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c<\/h3>\n

                          T\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 qu\u00e1 chi ti\u1ebft so v\u1edbi giai \u0111o\u1ea1n hi\u1ec7n t\u1ea1i c\u1ee7a d\u1ef1 \u00e1n. Kh\u00f4ng ph\u1ea3i l\u1edbp n\u00e0o c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c v\u1ebd trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf ban \u0111\u1ea7u. H\u00e3y t\u1eadp trung v\u00e0o ki\u1ebfn tr\u00fac c\u1ea5p cao tr\u01b0\u1edbc, sau \u0111\u00f3 tinh ch\u1ec9nh.<\/p>\n

                          2. K\u00fd hi\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n<\/h3>\n

                          S\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u kh\u00e1c nhau cho c\u00f9ng m\u1ed9t kh\u00e1i ni\u1ec7m trong c\u00f9ng m\u1ed9t b\u1ed9 s\u01a1 \u0111\u1ed3. \u0110i\u1ec1u n\u00e0y vi ph\u1ea1m chu\u1ea9n m\u1ef1c v\u00e0 g\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi \u0111\u1ecdc. H\u00e3y tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh ch\u00ednh th\u1ee9c c\u1ee7a UML.<\/p>\n

                          3. B\u1ecf qua c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

                          Ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c l\u1edbp ho\u1eb7c t\u00e1c nh\u00e2n m\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u00e1ch ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau. C\u00e1c m\u1ed1i quan h\u1ec7 th\u01b0\u1eddng l\u00e0 n\u01a1i ch\u1ee9a logic c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110\u1ea3m b\u1ea3o k\u00fd hi\u1ec7u cardinality (v\u00ed d\u1ee5: 1-\u0111\u1ebfn-nhi\u1ec1u) \u0111\u01b0\u1ee3c ghi r\u00f5 r\u00e0ng.<\/p>\n

                          4. Tr\u1ed9n l\u1eabn c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi<\/h3>\n

                          \u0110\u1eb7t lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng b\u00ean trong s\u01a1 \u0111\u1ed3 l\u1edbp ho\u1eb7c hi\u1ec3n th\u1ecb c\u00e1c l\u1edbp t\u0129nh b\u00ean trong s\u01a1 \u0111\u1ed3 chu\u1ed7i. Gi\u1eef c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac cho c\u1ea5u tr\u00fac v\u00e0 s\u01a1 \u0111\u1ed3 h\u00e0nh vi cho lu\u1ed3ng \u0111\u1ec3 duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng.<\/p>\n

                          5. Thi\u1ebfu b\u1ed1i c\u1ea3nh<\/h3>\n

                          T\u1ea1o s\u01a1 \u0111\u1ed3 m\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi r\u00f5 r\u00e0ng. M\u1ed9t s\u01a1 \u0111\u1ed3 lu\u00f4n ph\u1ea3i c\u00f3 ranh gi\u1edbi ho\u1eb7c b\u1ed1i c\u1ea3nh h\u1ec7 th\u1ed1ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c bao g\u1ed3m v\u00e0 nh\u1eefng g\u00ec n\u1eb1m ngo\u00e0i.<\/p>\n

                          X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh UML \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n \ud83d\udee0\ufe0f<\/h2>\n

                          M\u1ed9t khi b\u1ea1n \u0111\u00e3 hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 \u1ee9ng d\u1ee5ng. Tu\u00e2n theo quy tr\u00ecnh logic n\u00e0y \u0111\u1ec3 b\u1eaft \u0111\u1ea7u m\u00f4 h\u00ecnh h\u00f3a m\u00e0 kh\u00f4ng b\u1ecb cho\u00e1ng ng\u1ee3p.<\/p>\n

                          B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi<\/h3>\n

                          X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u g\u00ec n\u1eb1m trong h\u1ed9p v\u00e0 \u0111i\u1ec1u g\u00ec n\u1eb1m ngo\u00e0i? X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n tham gia. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ph\u1ea1m vi trong qu\u00e1 tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n

                          B\u01b0\u1edbc 2: T\u1ea1o c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n

                          B\u1eaft \u0111\u1ea7u t\u1eeb g\u00f3c nh\u00ecn ng\u01b0\u1eddi d\u00f9ng. V\u1ebd s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea1n hi\u1ec3u h\u1ec7 th\u1ed1ng c\u1ea7n l\u00e0m g\u00ec. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ed3ng thu\u1eadn nh\u00f3m v\u1ec1 c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn chi ti\u1ebft k\u1ef9 thu\u1eadt.<\/p>\n

                          B\u01b0\u1edbc 3: Thi\u1ebft k\u1ebf c\u00e1c l\u1edbp c\u1ed1t l\u00f5i<\/h3>\n

                          D\u1ef1a tr\u00ean c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, x\u00e1c \u0111\u1ecbnh c\u00e1c danh t\u1eeb s\u1ebd tr\u1edf th\u00e0nh c\u00e1c l\u1edbp. X\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a ch\u00fang. V\u1ebd s\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u1ea5u tr\u00fac d\u1eef li\u1ec7u.<\/p>\n

                          B\u01b0\u1edbc 4: B\u1ea3n \u0111\u1ed3 c\u00e1c t\u01b0\u01a1ng t\u00e1c<\/h3>\n

                          \u0110\u1ed1i v\u1edbi c\u00e1c h\u00e0m ph\u1ee9c t\u1ea1p, h\u00e3y s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1. Theo d\u00f5i h\u00e0nh tr\u00ecnh c\u1ee7a m\u1ed9t tin nh\u1eafn t\u1eeb ng\u01b0\u1eddi tham gia qua c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft l\u1ed9 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c \u1ea9n.<\/p>\n

                          B\u01b0\u1edbc 5: Xem x\u00e9t v\u00e0 tinh ch\u1ec9nh<\/h3>\n

                          \u0110i qua c\u00e1c s\u01a1 \u0111\u1ed3 c\u00f9ng v\u1edbi c\u00e1c b\u00ean li\u00ean quan. H\u1ecfi xem lu\u1ed3ng c\u00f3 h\u1ee3p l\u00fd kh\u00f4ng. Ki\u1ec3m tra xem c\u00e1c m\u1ed1i quan h\u1ec7 c\u00f3 ph\u1ea3n \u00e1nh \u0111\u00fang quy t\u1eafc kinh doanh hay kh\u00f4ng. L\u1eb7p l\u1ea1i d\u1ef1a tr\u00ean ph\u1ea3n h\u1ed3i.<\/p>\n

                          Nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e2ng cao \u0111\u1ec3 ph\u00e1t tri\u1ec3n \ud83d\ude80<\/h2>\n

                          Khi b\u1ea1n c\u1ea3m th\u1ea5y tho\u1ea3i m\u00e1i v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 th\u00eam c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a UML \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p.<\/p>\n

                          1. Stereotype<\/h3>\n

                          \u0110\u00e2y l\u00e0 c\u00e1c m\u1edf r\u1ed9ng c\u1ee7a k\u00fd hi\u1ec7u UML cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh ngh\u0129a c\u00e1c ki\u1ec3u t\u00f9y ch\u1ec9nh. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t stereotype \u0111\u1ec3 ch\u1ec9 ra m\u1ed9t m\u1eabu thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.<\/p>\n

                          2. H\u1ed3 s\u01a1<\/h3>\n

                          M\u1ed9t h\u1ed3 s\u01a1 l\u00e0 c\u00e1ch t\u00f9y ch\u1ec9nh UML cho m\u1ed9t l\u0129nh v\u1ef1c c\u1ee5 th\u1ec3. N\u00f3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c stereotype, gi\u00e1 tr\u1ecb g\u1eafn th\u1ebb v\u00e0 r\u00e0ng bu\u1ed9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho m\u1ed9t ng\u00e0nh c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

                          3. R\u00e0ng bu\u1ed9c<\/h3>\n

                          \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00eam c\u00e1c quy t\u1eafc c\u1ee5 th\u1ec3 m\u00e0 m\u00f4 h\u00ecnh ph\u1ea3i tu\u00e2n theo. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft b\u00ean trong d\u1ea5u ngo\u1eb7c nh\u1ecdn, v\u00ed d\u1ee5 nh\u01b0 {ID duy nh\u1ea5t} ho\u1eb7c {ph\u1ea3i l\u00e0 s\u1ed1 d\u01b0\u01a1ng}.<\/p>\n

                          K\u1ebft lu\u1eadn \ud83c\udfc1<\/h2>\n

                          Th\u00e0nh th\u1ea1o UML \u0111\u1ebfn t\u1eeb th\u1ef1c h\u00e0nh v\u00e0 ki\u00ean nh\u1eabn. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 suy ngh\u0129, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u1ec3 v\u1ebd. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra n\u00e0y, b\u1ea1n \u0111\u00e3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t. D\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n hay m\u1ed9t h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p ph\u00e2n t\u00e1n, nh\u1eefng s\u01a1 \u0111\u1ed3 n\u00e0y cung c\u1ea5p s\u1ef1 r\u00f5 r\u00e0ng c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u00e0nh c\u00f4ng.<\/p>\n

                          H\u00e3y nh\u1edb, m\u1ee5c ti\u00eau c\u1ee7a m\u00f4 h\u00ecnh h\u00f3a l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 m\u01a1 h\u1ed3. N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, th\u00ec n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c tinh ch\u1ec9nh. T\u1eadp trung v\u00e0o giao ti\u1ebfp, nh\u1ea5t qu\u00e1n v\u00e0 r\u00f5 r\u00e0ng. V\u1edbi nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y trong t\u00e2m tr\u00ed, t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf n\u00ean v\u1eefng ch\u1eafc, m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

                          Ti\u1ebfp t\u1ee5c \u00e1p d\u1ee5ng nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y v\u00e0o c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. B\u1eaft \u0111\u1ea7u nh\u1ecf, m\u1edf r\u1ed9ng d\u1ea7n d\u1ea7n, v\u00e0 lu\u00f4n \u01b0u ti\u00ean nhu c\u1ea7u c\u1ee7a \u0111\u1ed9i nh\u00f3m v\u00e0 c\u00e1c b\u00ean li\u00ean quan h\u01a1n l\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a s\u01a1 \u0111\u1ed3 b\u1ea3n th\u00e2n.<\/p>\n","protected":false},"excerpt":{"rendered":"

                          Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) \u0111\u00f3ng vai tr\u00f2 l\u00e0 ng\u00f4n ng\u1eef tr\u1ef1c quan chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh, x\u00e2y d\u1ef1ng v\u00e0 t\u00e0i li\u1ec7u h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a…<\/p>\n","protected":false},"author":1,"featured_media":446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Danh s\u00e1ch ki\u1ec3m tra thi\u1ebft y\u1ebfu UML: Nh\u1eefng kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u1ea7n bi\u1ebft","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t v\u1edbi danh s\u00e1ch ki\u1ec3m tra to\u00e0n di\u1ec7n n\u00e0y. Bao g\u1ed3m c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi \u0111\u1ec3 thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m hi\u1ec7u qu\u1ea3.","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[44],"tags":[49,50],"class_list":["post-445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-uml"],"yoast_head":"\nDanh s\u00e1ch ki\u1ec3m tra thi\u1ebft y\u1ebfu UML: Nh\u1eefng kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u1ea7n bi\u1ebft<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t v\u1edbi danh s\u00e1ch ki\u1ec3m tra to\u00e0n di\u1ec7n n\u00e0y. 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