{"id":1744,"date":"2026-03-27T01:13:37","date_gmt":"2026-03-27T01:13:37","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-vs-class-diagram\/"},"modified":"2026-03-27T01:13:37","modified_gmt":"2026-03-27T01:13:37","slug":"composite-structure-diagram-vs-class-diagram","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-vs-class-diagram\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh so v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp: Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0o cho Ph\u00e2n t\u00edch H\u1ec7 th\u1ed1ng"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Vi\u1ec7c ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a s\u1ebd quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 r\u00f5 r\u00e0ng trong giao ti\u1ebfp gi\u1eefa c\u00e1c b\u00ean li\u00ean quan, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ng\u01b0\u1eddi b\u1ea3o tr\u00ec. Hai c\u00f4ng c\u1ee5 n\u1ed5i b\u1eadt trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML) n\u1ed5i b\u1eadt trong vi\u1ec7c bi\u1ec3u di\u1ec5n c\u1ea5u tr\u00fac: S\u01a1 \u0111\u1ed3 L\u1edbp<\/strong> v\u00e0 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/strong>. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u m\u00f4 t\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang, nh\u01b0ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng kh\u00e1c nhau v\u00e0 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch ri\u00eang bi\u1ec7t.<\/p>\n

Vi\u1ec7c ch\u1ecdn sai s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 m\u01a1 h\u1ed3 trong y\u00eau c\u1ea7u, sinh m\u00e3 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 kh\u00f3 kh\u0103n trong vi\u1ec7c truy v\u1ebft logic tri\u1ec3n khai. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 nh\u1eefng n\u00e9t tinh t\u1ebf c\u1ee7a t\u1eebng lo\u1ea1i s\u01a1 \u0111\u1ed3, cung c\u1ea5p khung tham chi\u1ebfu \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng. Ch\u00fang ta s\u1ebd xem x\u00e9t \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea5u tr\u00fac, m\u00f4 h\u00ecnh h\u00f3a t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u00e1c b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3 m\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n lo\u1ea1i kh\u00e1c.<\/p>\n

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

Hi\u1ec3u r\u00f5 S\u01a1 \u0111\u1ed3 L\u1edbp \ud83d\udcc4<\/h2>\n

S\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. N\u00f3 cung c\u1ea5p c\u00e1i nh\u00ecn t\u0129nh v\u1ec1 h\u1ec7 th\u1ed1ng, minh h\u1ecda c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng c\u00e1c l\u1edbp, thu\u1ed9c t\u00ednh, thao t\u00e1c v\u00e0 m\u1ed1i quan h\u1ec7. \u0110\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n
    \n
  • L\u1edbp:<\/strong> M\u1ed9t b\u1ea3n v\u1ebd m\u1eabu cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, bao g\u1ed3m c\u00e1c tr\u01b0\u1eddng d\u1eef li\u1ec7u (thu\u1ed9c t\u00ednh) v\u00e0 h\u00e0nh vi (thao t\u00e1c).<\/li>\n
  • Li\u00ean k\u1ebft:<\/strong> M\u1ed9t m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac gi\u1eefa c\u00e1c l\u1edbp, cho th\u1ea5y c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a l\u1edbp kh\u00e1c.<\/li>\n
  • K\u1ebf th\u1eeba:<\/strong> M\u1ed9t m\u1ed1i quan h\u1ec7 trong \u0111\u00f3 m\u1ed9t l\u1edbp k\u1ebf th\u1eeba thu\u1ed9c t\u00ednh t\u1eeb l\u1edbp kh\u00e1c, thi\u1ebft l\u1eadp m\u1ed9t th\u1ee9 b\u1eadc.<\/li>\n
  • Ph\u1ee5 thu\u1ed9c:<\/strong> M\u1ed9t m\u1ed1i quan h\u1ec7 s\u1eed d\u1ee5ng, trong \u0111\u00f3 m\u1ed9t thay \u0111\u1ed5i \u1edf m\u1ed9t l\u1edbp c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp kh\u00e1c.<\/li>\n
  • K\u1ebft h\u1ee3p & B\u1ed5 sung:<\/strong> C\u00e1c d\u1ea1ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a li\u00ean k\u1ebft th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 to\u00e0n b\u1ed9-b\u1ed9 ph\u1eadn v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 s\u1edf h\u1eefu kh\u00e1c nhau.<\/li>\n<\/ul>\n

    C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/h3>\n

    S\u01a1 \u0111\u1ed3 l\u1edbp ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi:<\/p>\n

      \n
    • X\u00e1c \u0111\u1ecbnh m\u00f4 h\u00ecnh mi\u1ec1n v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 kinh doanh.<\/li>\n
    • X\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3c \u0111\u1ed3 d\u1eef li\u1ec7u cho vi\u1ec7c \u00e1nh x\u1ea1 c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n
    • T\u00e0i li\u1ec7u b\u1ec1 m\u1eb7t API c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng.<\/li>\n
    • Thi\u1ebft l\u1eadp th\u1ee9 b\u1eadc t\u0129nh c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m.<\/li>\n<\/ul>\n

      Khi m\u1ed9t ki\u1ebfn tr\u00fac s\u01b0 c\u1ea7n tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi nh\u01b0 \u201cD\u1eef li\u1ec7u n\u00e0o m\u00e0 m\u1ed9t \u0110\u01a1n h\u00e0ng ch\u1ee9a?\u201d hay \u201cNg\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t S\u1ea3n ph\u1ea9m nh\u01b0 th\u1ebf n\u00e0o?\u201d, th\u00ec S\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n. N\u00f3 t\u1eadp trung v\u00e0o b\u1ea3n ch\u1ea5t v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh t\u0129nh c\u1ee7a c\u00e1c th\u1ef1c th\u1ec3 thay v\u00ec h\u00e0nh vi c\u01a1 h\u1ecdc b\u00ean trong c\u1ee7a ch\u00fang.<\/p>\n

      Hi\u1ec3u r\u00f5 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh \ud83e\udde9<\/h2>\n

      S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac Th\u00e0nh ph\u1ea7n trong c\u00e1c t\u00e0i li\u1ec7u tr\u01b0\u1edbc \u0111\u00f3) cung c\u1ea5p c\u00e1i nh\u00ecn chi ti\u1ebft h\u01a1n. N\u00f3 m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. Thay v\u00ec ch\u1ec9 hi\u1ec3n th\u1ecb l\u1edbp \u0111\u00f3, n\u00f3 hi\u1ec3n th\u1ecb c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o n\u00ean l\u1edbp v\u00e0 c\u00e1ch ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n

      C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n
        \n
      • Ph\u1ea7n:<\/strong> M\u1ed9t ph\u1ea7n c\u00f3 t\u00ean trong c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n
      • Vai tr\u00f2:<\/strong> M\u1ed9t giao di\u1ec7n ho\u1eb7c tr\u00e1ch nhi\u1ec7m c\u00f3 t\u00ean m\u00e0 m\u1ed9t ph\u1ea7n th\u1ef1c hi\u1ec7n b\u00ean trong c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p.<\/li>\n
      • C\u1ed5ng:<\/strong> M\u1ed9t \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 n\u01a1i m\u1ed9t ph\u1ea7n k\u1ebft n\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i ho\u1eb7c c\u00e1c ph\u1ea7n kh\u00e1c.<\/li>\n
      • Giao di\u1ec7n:<\/strong> M\u1ed9t h\u1ee3p \u0111\u1ed3ng x\u00e1c \u0111\u1ecbnh c\u00e1c thao t\u00e1c c\u00f3 s\u1eb5n t\u1ea1i m\u1ed9t c\u1ed5ng.<\/li>\n
      • K\u1ebft n\u1ed1i:<\/strong> M\u1ed9t li\u00ean k\u1ebft k\u1ebft n\u1ed1i m\u1ed9t giao di\u1ec7n cung c\u1ea5p v\u1edbi m\u1ed9t giao di\u1ec7n y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n

        C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/h3>\n

        S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3:<\/p>\n

          \n
        • M\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee9c t\u1ea1p c\u00f3 logic n\u1ed9i b\u1ed9.<\/li>\n
        • Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng nh\u00fang ho\u1eb7c thi\u1ebft k\u1ebf \u0111\u1ed3ng th\u1eddi ph\u1ea7n c\u1ee9ng – ph\u1ea7n m\u1ec1m.<\/li>\n
        • X\u00e1c \u0111\u1ecbnh c\u01a1 ch\u1ebf \u1ee7y quy\u1ec1n (c\u00e1ch m\u1ed9t l\u1edbp \u1ee7y quy\u1ec1n c\u00f4ng vi\u1ec7c cho c\u00e1c ph\u1ea7n c\u1ee7a n\u00f3).<\/li>\n
        • Tr\u1ef1c quan h\u00f3a ki\u1ebfn tr\u00fac microservice ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng con theo m\u00f4-\u0111un.<\/li>\n
        • X\u00e1c \u0111\u1ecbnh c\u00e1c ranh gi\u1edbi nghi\u00eam ng\u1eb7t cho t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n<\/ul>\n

          S\u01a1 \u0111\u1ed3 n\u00e0y tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi nh\u01b0 \u201cNh\u1eefng m\u00f4-\u0111un n\u1ed9i b\u1ed9 n\u00e0o t\u1ea1o n\u00ean b\u1ed9 x\u1eed l\u00fd n\u00e0y?\u201d hay \u201cD\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o ch\u1ea3y qua c\u00e1c b\u1ed9 l\u1ecdc n\u1ed9i b\u1ed9 nh\u01b0 th\u1ebf n\u00e0o tr\u01b0\u1edbc khi \u0111\u1ebfn \u0111\u1ea7u ra?\u201d. N\u00f3 chuy\u1ec3n tr\u1ecdng t\u00e2m t\u1eeb th\u1ef1c th\u1ec3 sang c\u01a1 ch\u1ebf.<\/p>\n

          S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh trong t\u1ea7m nh\u00ecn \ud83d\udd04<\/h2>\n

          \u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 so s\u00e1nh hai s\u01a1 \u0111\u1ed3 tr\u00ean nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau. B\u1ea3ng sau \u0111\u00e2y n\u00eau r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n\n\n\n\n\n\n
          T\u00ednh n\u0103ng<\/th>\nS\u01a1 \u0111\u1ed3 l\u1edbp<\/th>\nS\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p<\/th>\n<\/tr>\n<\/thead>\n
          Ph\u1ea1m vi<\/strong><\/td>\nC\u1ea5u tr\u00fac b\u00ean ngo\u00e0i v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp.<\/td>\nC\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i duy nh\u1ea5t.<\/td>\n<\/tr>\n
          Tr\u1ecdng t\u00e2m<\/strong><\/td>\nD\u1eef li\u1ec7u, thu\u1ed9c t\u00ednh v\u00e0 c\u00e1c li\u00ean k\u1ebft t\u0129nh.<\/td>\nC\u00e1c ph\u1ea7n, c\u1ed5ng, vai tr\u00f2 v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c n\u1ed9i b\u1ed9.<\/td>\n<\/tr>\n
          \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\nM\u00f4 h\u00ecnh h\u00f3a mi\u1ec1n c\u1ea5p cao.<\/td>\nChi ti\u1ebft tri\u1ec3n khai th\u00e0nh ph\u1ea7n c\u1ea5p th\u1ea5p.<\/td>\n<\/tr>\n
          T\u01b0\u01a1ng t\u00e1c<\/strong><\/td>\nNg\u1ea7m \u0111\u1ecbnh th\u00f4ng qua l\u1eddi g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c.<\/td>\nR\u00f5 r\u00e0ng th\u00f4ng qua C\u1ed5ng v\u00e0 K\u1ebft n\u1ed1i.<\/td>\n<\/tr>\n
          T\u1ed1t nh\u1ea5t cho<\/strong><\/td>\nLogic mi\u1ec1n v\u00e0 l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/td>\nKi\u1ebfn tr\u00fac th\u00e0nh ph\u1ea7n v\u00e0 t\u00edch h\u1ee3p ph\u1ea7n c\u1ee9ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Khung ch\u1ecdn l\u1ef1a chi\u1ebfn l\u01b0\u1ee3c \ud83e\udded<\/h2>\n

          Vi\u1ec7c quy\u1ebft \u0111\u1ecbnh bi\u1ec3u \u0111\u1ed3 n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o giai \u0111o\u1ea1n c\u1ee5 th\u1ec3 c\u1ee7a ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng v\u00e0 m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng c\u1ea7n thi\u1ebft. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean c\u00e1c t\u00ecnh hu\u1ed1ng k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn.<\/p>\n

          T\u00ecnh hu\u1ed1ng 1: M\u00f4 h\u00ecnh h\u00f3a mi\u1ec1n<\/h3>\n

          N\u1ebfu m\u1ee5c ti\u00eau l\u00e0 ghi l\u1ea1i c\u00e1c quy t\u1eafc kinh doanh v\u00e0 m\u1ed1i quan h\u1ec7 d\u1eef li\u1ec7u, th\u00ecBi\u1ec3u \u0111\u1ed3 L\u1edbp<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e2n t\u00edch \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u1ef1c th\u1ec3 nh\u01b0Kh\u00e1ch h\u00e0ng<\/em>, H\u00f3a \u0111\u01a1n<\/em>, v\u00e0Thanh to\u00e1n<\/em> m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 c\u00e1ch m\u00e3 n\u1ed9i b\u1ed9 x\u1eed l\u00fd ch\u00fang.<\/p>\n

            \n
          • L\u00fd do:<\/strong>C\u00e1c b\u00ean li\u00ean quan kinh doanh hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u1edbp v\u00e0 thu\u1ed9c t\u00ednh so v\u1edbi c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i.<\/li>\n
          • K\u1ebft qu\u1ea3:<\/strong> M\u1ed9t l\u01b0\u1ee3c \u0111\u1ed3 r\u00f5 r\u00e0ng cho vi\u1ec7c sinh c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 \u0111\u1ecbnh ngh\u0129a API.<\/li>\n<\/ul>\n

            T\u00ecnh hu\u1ed1ng 2: T\u00edch h\u1ee3p th\u00e0nh ph\u1ea7n<\/h3>\n

            Khi thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 c\u00e1c m\u00f4-\u0111un ri\u00eang bi\u1ec7t ph\u1ea3i giao ti\u1ebfp ch\u1eb7t ch\u1ebd, th\u00ecBi\u1ec3u \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p<\/strong> s\u1ebd t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i. N\u00f3 \u0111\u1ecbnh ngh\u0129a h\u1ee3p \u0111\u1ed3ng (giao di\u1ec7n) \u1edf bi\u00ean gi\u1edbi c\u1ee7a th\u00e0nh ph\u1ea7n.<\/p>\n

              \n
            • L\u00fd do:<\/strong> N\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 g\u1eafn k\u1ebft ch\u1eb7t ch\u1ebd b\u1eb1ng c\u00e1ch bu\u1ed9c t\u01b0\u01a1ng t\u00e1c th\u00f4ng qua c\u00e1c c\u1ed5ng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/li>\n
            • K\u1ebft qu\u1ea3:<\/strong>M\u1ed9t ki\u1ebfn tr\u00fac module trong \u0111\u00f3 c\u00e1c thay \u0111\u1ed5i n\u1ed9i b\u1ed9 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1c ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n

              B\u1ed1i c\u1ea3nh 3: Thi\u1ebft k\u1ebf \u0111\u1ed3ng th\u1eddi ph\u1ea7n c\u1ee9ng – ph\u1ea7n m\u1ec1m<\/h3>\n

              Trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u00fang, m\u1ed9t l\u1edbp c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t thi\u1ebft b\u1ecb v\u1eadt l\u00fd. S\u01a1 \u0111\u1ed3 l\u1edbp kh\u00f4ng th\u1ec3 hi\u1ec7u qu\u1ea3 hi\u1ec3n th\u1ecb c\u00e1c c\u1ea3m bi\u1ebfn ho\u1eb7c b\u1ed9 ch\u1ea5p h\u00e0nh b\u00ean trong c\u1ea5u th\u00e0nh thi\u1ebft b\u1ecb \u0111\u00f3.<\/p>\n

                \n
              • L\u00fd do:<\/strong>S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a c\u00e1c b\u1ed9 ph\u1eadn v\u1eadt l\u00fd (v\u00ed d\u1ee5: CPU, RAM, C\u1ea3m bi\u1ebfn) b\u00ean trong m\u1ed9t \u0111\u01a1n v\u1ecb logic duy nh\u1ea5t.<\/li>\n
              • K\u1ebft qu\u1ea3:<\/strong>B\u1ea3n \u0111\u1ed3 ch\u00ednh x\u00e1c logic ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c gi\u1edbi h\u1ea1n ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd.<\/li>\n<\/ul>\n

                B\u1ed1i c\u1ea3nh 4: Lu\u1ed3ng thu\u1eadt to\u00e1n b\u00ean trong m\u1ed9t l\u1edbp<\/h3>\n

                \u0110\u00f4i khi m\u1ed9t l\u1edbp duy nh\u1ea5t ch\u1ee9a logic ph\u1ee9c t\u1ea1p bao g\u1ed3m nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng con ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau. S\u01a1 \u0111\u1ed3 l\u1edbp hi\u1ec3n th\u1ecb l\u1edbp nh\u01b0 m\u1ed9t h\u1ed9p \u0111en. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh m\u1edf ra chi\u1ebfc h\u1ed9p \u0111\u00f3.<\/p>\n

                  \n
                • L\u00fd do:<\/strong>N\u00f3 ti\u1ebft l\u1ed9 chu\u1ed7i \u1ee7y quy\u1ec1n. V\u00ed d\u1ee5, m\u1ed9t PaymentProcessor<\/em>l\u1edbp c\u00f3 th\u1ec3 \u1ee7y quy\u1ec1n x\u00e1c th\u1ef1c cho m\u1ed9t Validator<\/em>ph\u1ea7n v\u00e0 th\u1ef1c thi cho m\u1ed9t Gateway<\/em>ph\u1ea7n.<\/li>\n
                • K\u1ebft qu\u1ea3:<\/strong>Hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ph\u00e2n b\u1ed5 tr\u00e1ch nhi\u1ec7m.<\/li>\n<\/ul>\n

                  H\u1ec7 qu\u1ea3 tri\u1ec3n khai \ud83d\udcbb<\/h2>\n

                  Vi\u1ec7c l\u1ef1a ch\u1ecdn s\u01a1 \u0111\u1ed3 c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u00f2ng \u0111\u1eddi sinh m\u00e3 v\u00e0 b\u1ea3o tr\u00ec. Hi\u1ec3u r\u00f5 nh\u1eefng h\u1ec7 qu\u1ea3 n\u00e0y gi\u00fap bi\u1ec7n minh cho n\u1ed7 l\u1ef1c m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n

                  Sin m\u00e3 t\u1eeb s\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n

                  S\u01a1 \u0111\u1ed3 l\u1edbp r\u1ea5t thu\u1eadn l\u1ee3i cho k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng t\u1eeb tr\u01b0\u1edbc. H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a c\u00f3 th\u1ec3 sinh m\u00e3 m\u1eabu cho c\u00e1c l\u1edbp, bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng th\u1ee9c l\u1ea5y gi\u00e1 tr\u1ecb (getters), thi\u1ebft l\u1eadp gi\u00e1 tr\u1ecb (setters) v\u00e0 logic quan h\u1ec7. Tuy nhi\u00ean, vi\u1ec7c sinh m\u00e3 n\u00e0y gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng logic n\u1ed9i b\u1ed9 c\u1ee7a l\u1edbp l\u00e0 \u0111\u01a1n gi\u1ea3n.<\/p>\n

                    \n
                  • \u01afu \u0111i\u1ec3m:<\/strong>X\u00e2y d\u1ef1ng nhanh ch\u00f3ng m\u00e3 h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n
                  • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>C\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u1ed9i b\u1ed9, d\u1eabn \u0111\u1ebfn c\u00e1c l\u1edbp ‘Th\u1ea7n’ (God Classes) n\u01a1i m\u1ed9t l\u1edbp th\u1ef1c hi\u1ec7n qu\u00e1 nhi\u1ec1u nhi\u1ec7m v\u1ee5.<\/li>\n<\/ul>\n

                    Sin m\u00e3 t\u1eeb s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/h3>\n

                    Khi s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, tr\u1ecdng t\u00e2m chuy\u1ec3n sang vi\u1ec7c k\u1ebft h\u1ee3p th\u00e0nh ph\u1ea7n. Sin m\u00e3 bao g\u1ed3m vi\u1ec7c t\u1ea1o l\u1edbp ch\u1ee9a v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong nh\u01b0 c\u00e1c l\u1edbp ho\u1eb7c module ri\u00eang bi\u1ec7t.<\/p>\n

                      \n
                    • \u01afu \u0111i\u1ec3m:<\/strong>Th\u1ef1c hi\u1ec7n s\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa c\u00e1c kh\u00eda c\u1ea1nh. L\u1edbp ch\u1ee9a s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t l\u1edbp giao di\u1ec7n (facade) qu\u1ea3n l\u00fd c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong.<\/li>\n
                    • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>Chi ph\u00ed thi\u1ebft l\u1eadp ban \u0111\u1ea7u cao h\u01a1n. Y\u00eau c\u1ea7u qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn c\u00e1c \u0111\u1ecbnh ngh\u0129a giao di\u1ec7n.<\/li>\n<\/ul>\n

                      T\u00e1i c\u1ea5u tr\u00fac v\u00e0 B\u1ea3o tr\u00ec<\/h3>\n

                      Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. C\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp th\u01b0\u1eddng tr\u1edf n\u00ean r\u1ed1i r\u1eafm khi m\u1ed1i quan h\u1ec7 gia t\u0103ng. C\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh c\u00f3 th\u1ec3 b\u1ec1n v\u1eefng h\u01a1n tr\u01b0\u1edbc s\u1ef1 thay \u0111\u1ed5i v\u00ec c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u00f3 th\u1ec3 thay th\u1ebf nhau n\u1ebfu tu\u00e2n theo c\u00f9ng m\u1ed9t h\u1ee3p \u0111\u1ed3ng c\u1ed5ng.<\/p>\n

                        \n
                      • \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh:<\/strong>C\u00e1c s\u01a1 \u0111\u1ed3 h\u1ee3p th\u00e0nh b\u1ea3o v\u1ec7 giao di\u1ec7n b\u00ean ngo\u00e0i kh\u1ecfi vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac b\u00ean trong.<\/li>\n
                      • T\u00ednh minh b\u1ea1ch:<\/strong>Ch\u00fang l\u00e0m cho c\u00e1c ph\u1ee5 thu\u1ed9c \u1ea9n tr\u1edf n\u00ean r\u00f5 r\u00e0ng, gi\u1ea3m thi\u1ec3u n\u1ee3 k\u1ef9 thu\u1eadt.<\/li>\n<\/ul>\n

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

                        Ngay c\u1ea3 khi s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 \u0111\u00fang, l\u1ed7i m\u00f4 h\u00ecnh h\u00f3a v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn s\u1ebd \u0111\u1ea3m b\u1ea3o c\u00e1c s\u01a1 \u0111\u1ed3 v\u1eabn l\u00e0 t\u00e0i s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb thay v\u00ec g\u00e1nh n\u1eb7ng t\u00e0i li\u1ec7u.<\/p>\n

                        Sai l\u1ea7m 1: Tr\u1ed9n l\u1eabn c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng<\/h3>\n

                        Kh\u00f4ng c\u1ed1 g\u1eafng hi\u1ec3n th\u1ecb logic n\u1ed9i b\u1ed9 c\u1ee7a th\u00e0nh ph\u1ea7n trong s\u01a1 \u0111\u1ed3 l\u1edbp n\u1ebfu \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1eebng d\u00f9ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c th\u1ef1c th\u1ec3 d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n. \u0110i\u1ec1u n\u00e0y s\u1ebd g\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi \u0111\u1ecdc, nh\u1eefng ng\u01b0\u1eddi mong \u0111\u1ee3i c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau.<\/p>\n

                        Sai l\u1ea7m 2: M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

                        C\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp d\u1ec5 tr\u1edf th\u00e0nh s\u01a1 \u0111\u1ed3 ‘m\u00ec \u0103n li\u1ec1n’. H\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3ng m\u1ed1i li\u00ean k\u1ebft \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u1ed9t trang. N\u1ebfu m\u1ed9t l\u1edbp c\u00f3 qu\u00e1 nhi\u1ec1u k\u1ebft n\u1ed1i, h\u00e3y c\u00e2n nh\u1eafc chia nh\u1ecf n\u00f3 ho\u1eb7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u1ec3 \u0111\u00f3ng g\u00f3i c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y b\u00ean trong.<\/p>\n

                        Sai l\u1ea7m 3: B\u1ecf qua c\u00e1c h\u1ee3p \u0111\u1ed3ng giao di\u1ec7n<\/h3>\n

                        Khi s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, c\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng. Nh\u1eefng k\u1ebft n\u1ed1i m\u01a1 h\u1ed3 d\u1eabn \u0111\u1ebfn l\u1ed7i tri\u1ec3n khai. M\u1ed7i c\u1ed5ng ph\u1ea3i c\u00f3 m\u1ed9t giao di\u1ec7n cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u r\u00f5 r\u00e0ng.<\/p>\n

                        Sai l\u1ea7m 4: Nh\u1ea7m l\u1eabn gi\u1eefa t\u0129nh v\u00e0 \u0111\u1ed9ng<\/h3>\n

                        C\u1ea3 s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u1ec1u l\u00e0 t\u0129nh. Ch\u00fang kh\u00f4ng th\u1ec3 hi\u1ec7n h\u00e0nh vi t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y, lu\u1ed3ng hay thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i. Kh\u00f4ng d\u00f9ng ch\u00fang \u0111\u1ec3 gi\u1ea3i th\u00edch *c\u00e1ch* d\u1eef li\u1ec7u di chuy\u1ec3n theo th\u1eddi gian; h\u00e3y d\u00f9ng s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 ho\u1eb7c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng cho m\u1ee5c \u0111\u00edch \u0111\u00f3. Nh\u1eefng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac n\u00e0y \u0111\u1ecbnh ngh\u0129a *\u0111i\u1ec1u g\u00ec t\u1ed3n t\u1ea1i*, ch\u1ee9 kh\u00f4ng ph\u1ea3i *\u0111i\u1ec1u g\u00ec x\u1ea3y ra*.<\/p>\n

                        T\u00edch h\u1ee3p c\u1ea3 hai s\u01a1 \u0111\u1ed3 \ud83d\udd17<\/h2>\n

                        Hi\u1ebfm khi x\u1ea3y ra t\u00ecnh hu\u1ed1ng l\u1ef1a ch\u1ecdn n\u00e0y hay l\u1ef1a ch\u1ecdn kia. Trong ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc, c\u1ea3 hai s\u01a1 \u0111\u1ed3 \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 b\u1ed5 tr\u1ee3 cho nhau. M\u1ed9t b\u1ed9 t\u00e0i li\u1ec7u \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n

                          \n
                        • G\u00f3c nh\u00ecn c\u1ea5p cao:<\/strong>M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp th\u1ec3 hi\u1ec7n c\u00e1c th\u1ef1c th\u1ec3 mi\u1ec1n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang.<\/li>\n
                        • G\u00f3c nh\u00ecn th\u00e0nh ph\u1ea7n:<\/strong>M\u1ed9t s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh chi ti\u1ebft h\u00f3a vi\u1ec7c tri\u1ec3n khai c\u1ee7a m\u1ed9t l\u1edbp quan tr\u1ecdng, ph\u1ee9c t\u1ea1p.<\/li>\n
                        • G\u00f3c nh\u00ecn giao di\u1ec7n:<\/strong>C\u00e1c giao di\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, \u0111\u01b0\u1ee3c tham chi\u1ebfu trong s\u01a1 \u0111\u1ed3 l\u1edbp.<\/li>\n<\/ul>\n

                          C\u00e1ch ti\u1ebfp c\u1eadn theo l\u1edbp n\u00e0y cho ph\u00e9p c\u00e1c nh\u00f3m kh\u00e1c nhau l\u00e0m vi\u1ec7c \u1edf m\u1ee9c \u0111\u1ed9 chi ti\u1ebft ph\u00f9 h\u1ee3p. \u0110\u1ed9i backend c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, trong khi \u0111\u1ed9i frontend t\u1eadp trung v\u00e0o s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c gi\u1edbi h\u1ea1n API.<\/p>\n

                          Nh\u1eefng c\u00e2n nh\u1eafc cu\u1ed1i c\u00f9ng \ud83c\udfaf<\/h2>\n

                          Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh b\u1ecb chi ph\u1ed1i b\u1edfi m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 nh\u1eefng c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c \u0111\u1eb7t ra. S\u01a1 \u0111\u1ed3 l\u1edbp v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh mi\u1ec1n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 t\u0129nh. \u0110\u00f3 l\u00e0 ng\u00f4n ng\u1eef c\u1ee7a m\u00f4 h\u00ecnh d\u1eef li\u1ec7u.<\/p>\n

                          S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh tr\u1edf n\u00ean c\u1ea7n thi\u1ebft khi c\u01a1 ch\u1ebf b\u00ean trong c\u1ee7a m\u1ed9t l\u1edbp l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng. \u0110\u00f3 l\u00e0 ng\u00f4n ng\u1eef c\u1ee7a ki\u1ebfn tr\u00fac th\u00e0nh ph\u1ea7n. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 \u0111i\u1ec3m m\u1ea1nh c\u1ee7a t\u1eebng lo\u1ea1i, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng m\u00f4 h\u00ecnh v\u1eeba ch\u00ednh x\u00e1c v\u1eeba c\u00f3 th\u1ec3 th\u1ef1c thi \u0111\u01b0\u1ee3c.<\/p>\n

                          M\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m s\u1ef1 m\u01a1 h\u1ed3. N\u00f3 gi\u00fap t\u1ea7m nh\u00ecn c\u1ee7a doanh nghi\u1ec7p ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf c\u1ee7a m\u00e3 ngu\u1ed3n. D\u00f9 ch\u1ecdn nh\u1eefng n\u00e9t ph\u00e1c th\u1ea3o r\u1ed9ng c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp hay chi ti\u1ebft b\u00ean trong c\u1ee7a s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, m\u1ee5c ti\u00eau v\u1eabn nh\u01b0 nhau: s\u1ef1 r\u00f5 r\u00e0ng, kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc.<\/p>\n

                          Li\u00ean t\u1ee5c \u0111\u00e1nh gi\u00e1 t\u00ednh c\u1ea7n thi\u1ebft c\u1ee7a t\u1eebng s\u01a1 \u0111\u1ed3. N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 kh\u00f4ng mang l\u1ea1i gi\u00e1 tr\u1ecb cho vi\u1ec7c hi\u1ec3u h\u1ec7 th\u1ed1ng, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c lo\u1ea1i b\u1ecf. Gi\u1eef t\u00e0i li\u1ec7u g\u1ecdn nh\u1eb9, ch\u00ednh x\u00e1c v\u00e0 t\u1eadp trung v\u00e0o nh\u1eefng s\u1ef1 th\u1eadt c\u1ea5u tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

                          Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Vi\u1ec7c ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a s\u1ebd quy\u1ebft…<\/p>\n","protected":false},"author":1,"featured_media":1745,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn UML \ud83d\udcd0","_yoast_wpseo_metadesc":"Hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp. H\u1ecdc c\u00e1ch \u00e1p d\u1ee5ng t\u1eebng lo\u1ea1i ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[77],"tags":[80,86],"class_list":["post-1744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-composite-structure-diagram"],"yoast_head":"\nS\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn UML \ud83d\udcd0<\/title>\n<meta name=\"description\" content=\"Hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp. H\u1ecdc c\u00e1ch \u00e1p d\u1ee5ng t\u1eebng lo\u1ea1i ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-vs-class-diagram\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn UML \ud83d\udcd0\" \/>\n<meta property=\"og:description\" content=\"Hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp. 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