{"id":113,"date":"2026-04-02T15:35:45","date_gmt":"2026-04-02T15:35:45","guid":{"rendered":"https:\/\/www.ai-diagrams.com\/vn\/myth-buster-debunking-uml-composite-structure-diagrams\/"},"modified":"2026-04-02T15:35:45","modified_gmt":"2026-04-02T15:35:45","slug":"myth-buster-debunking-uml-composite-structure-diagrams","status":"publish","type":"post","link":"https:\/\/www.ai-diagrams.com\/vn\/myth-buster-debunking-uml-composite-structure-diagrams\/","title":{"rendered":"B\u00f3c T\u00e1ch Suy Ngh\u0129 Sai L\u1ea7m: Ph\u1ea3n B\u00e1c 5 Nh\u1eadn \u0110\u1ecbnh Sai L\u1ea7m H\u00e0ng \u0110\u1ea7u V\u1ec1 S\u01a1 \u0110\u1ed3 C\u1ea5u Tr\u00fac H\u1ee3p Th\u00e0nh UML"},"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, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111\u1ed3ng ti\u1ec1n. Khi x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng t\u00e1c b\u00ean trong h\u1ec7 th\u1ed1ng l\u00e0 quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec vi\u1ec7c bi\u1ebft ch\u00fang k\u1ebft n\u1ed1i v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o t\u1eeb b\u00ean ngo\u00e0i. Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 cho m\u1ee5c \u0111\u00edch n\u00e0y, nh\u01b0ng m\u1ed9t s\u01a1 \u0111\u1ed3 c\u1ee5 th\u1ec3 th\u01b0\u1eddng b\u1ecb b\u1ecf qua ho\u1eb7c hi\u1ec3u nh\u1ea7m: S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/strong>. \ud83e\udde9<\/p>\n

M\u1eb7c d\u00f9 c\u00f3 s\u1ee9c m\u1ea1nh, lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u00e0y l\u1ea1i b\u1ecb bao quanh b\u1edfi s\u1ef1 nh\u1ea7m l\u1eabn. Nhi\u1ec1u nh\u00e0 th\u1ef1c h\u00e0nh nh\u1ea7m l\u1eabn n\u00f3 v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp, cho r\u1eb1ng n\u00f3 ch\u1ec9 d\u00f9ng cho ph\u1ea7n c\u1ee9ng, ho\u1eb7c tin r\u1eb1ng n\u00f3 qu\u00e1 t\u0129nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c chu k\u1ef3 ph\u00e1t tri\u1ec3n hi\u1ec7n \u0111\u1ea1i. Nh\u1eefng hi\u1ec3u l\u1ea7m n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00e0i li\u1ec7u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, l\u1ec7ch l\u1ea1c ki\u1ebfn tr\u00fac v\u00e0 nh\u1eefng r\u1eafc r\u1ed1i trong b\u1ea3o tr\u00ec. H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch s\u1ef1 th\u1eadt \u0111\u1eb1ng sau k\u00fd hi\u1ec7u, cung c\u1ea5p c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng v\u00e0 c\u00f3 uy t\u00edn v\u1ec1 s\u01a1 \u0111\u1ed3 n\u00e0y th\u1ef1c s\u1ef1 l\u00e0 g\u00ec v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

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

Hi\u1ec3u R\u00f5 C\u01a1 S\u1edf: S\u01a1 \u0111\u1ed3 n\u00e0y l\u00e0 g\u00ec? \ud83c\udfd7\ufe0f<\/h2>\n

Tr\u01b0\u1edbc khi ph\u1ea3n b\u00e1c nh\u1eefng hi\u1ec3u l\u1ea7m, ch\u00fang ta ph\u1ea3i x\u00e1c l\u1eadp c\u00e1c s\u1ef1 th\u1eadt. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t l\u1edbp ho\u1eb7c th\u00e0nh ph\u1ea7n. N\u00f3 ti\u1ebft l\u1ed9 c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o n\u00ean to\u00e0n b\u1ed9 v\u00e0 c\u00e1ch ch\u00fang ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 cung c\u1ea5p h\u00e0nh vi.<\/p>\n

Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n, v\u1ed1n t\u1eadp trung v\u00e0o c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c lo\u1ea1i kh\u00e1c nhau, s\u01a1 \u0111\u1ed3 n\u00e0y t\u1eadp trung v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p b\u00ean trong<\/em>c\u1ee7a m\u1ed9t lo\u1ea1i duy nh\u1ea5t. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cB\u00ean trong h\u1ed9p n\u00e0y l\u00e0 g\u00ec, v\u00e0 c\u00e1c m\u1ea3nh gh\u00e9p c\u1ee7a n\u00f3 giao ti\u1ebfp v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o?\u201d<\/strong><\/p>\n

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  • C\u00e1c b\u1ed9 ph\u1eadn:<\/strong> C\u00e1c th\u1ec3 hi\u1ec7n b\u00ean trong t\u1ea1o n\u00ean c\u1ea5u tr\u00fac.<\/li>\n
  • C\u1ed5ng:<\/strong> C\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c n\u01a1i b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i.<\/li>\n
  • Giao di\u1ec7n:<\/strong> C\u00e1c h\u1ee3p \u0111\u1ed3ng \u0111\u1ecbnh ngh\u0129a c\u00e1c d\u1ecbch v\u1ee5 m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u.<\/li>\n
  • C\u00e1c b\u1ed9 n\u1ed1i:<\/strong> C\u00e1c li\u00ean k\u1ebft k\u1ebft n\u1ed1i c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi nhau b\u00ean trong.<\/li>\n<\/ul>\n

    M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu khi thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 vi\u1ec7c ph\u00e2n c\u00f4ng nhi\u1ec7m v\u1ee5 b\u00ean trong l\u00e0 quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n ho\u1eb7c ph\u1ea7n m\u1ec1m nh\u00fang ph\u1ee9c t\u1ea1p.<\/p>\n

    Suy ngh\u0129 sai l\u1ea7m 1: N\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 L\u1edbp ki\u1ec3u c\u00e1ch \ud83e\uddd0<\/h2>\n

    Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 cho r\u1eb1ng S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 S\u01a1 \u0111\u1ed3 L\u1edbp v\u1edbi nhi\u1ec1u h\u1ed9p h\u01a1n. M\u1eb7c d\u00f9 ch\u00fang chia s\u1ebb m\u1ed9t s\u1ed1 k\u00fd hi\u1ec7u, nh\u01b0ng m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang l\u1ea1i kh\u00e1c nhau \u0111\u00e1ng k\u1ec3.<\/p>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt<\/h3>\n
      \n
    • Ph\u1ea1m vi:<\/strong> M\u1ed9t S\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh t\u1eadp trung v\u00e0o gi\u1ea3i ph\u1eabu b\u00ean trong c\u1ee7a m\u1ed9t<\/em>l\u1edbp ho\u1eb7c th\u00e0nh ph\u1ea7n.<\/li>\n
    • H\u00e0nh vi:<\/strong>S\u01a1 \u0111\u1ed3 L\u1edbp th\u1ec3 hi\u1ec7n c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 thao t\u00e1c. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh th\u1ec3 hi\u1ec7n lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00f4ng qua c\u1ed5ng v\u00e0 giao di\u1ec7n.<\/li>\n
    • S\u1ef1 k\u1ebft h\u1ee3p (Aggregation) so v\u1edbi S\u1ef1 k\u1ebft h\u1ee3p (Composition):<\/strong> C\u1ea3 hai \u0111\u1ec1u th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7, nh\u01b0ng s\u01a1 \u0111\u1ed3 T\u1ed5 h\u1ee3p m\u00f4 h\u00ecnh h\u00f3a r\u00f5 r\u00e0ng s\u1ef1 k\u1ebft h\u1ee3p<\/em> n\u01a1i c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3.<\/li>\n<\/ul>\n

      Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0o?<\/h3>\n\n\n\n\n\n\n
      Lo\u1ea1i s\u01a1 \u0111\u1ed3<\/th>\nTr\u1ecdng t\u00e2m ch\u00ednh<\/th>\nT\u1ed1t nh\u1ea5t n\u00ean d\u00f9ng \u0111\u1ec3<\/th>\n<\/tr>\n<\/thead>\n
      S\u01a1 \u0111\u1ed3 L\u1edbp<\/strong><\/td>\nC\u1ea5u tr\u00fac t\u0129nh tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng<\/td>\nS\u01a1 \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u01b0\u1ee3ng chung<\/td>\n<\/tr>\n
      S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5 h\u1ee3p<\/strong><\/td>\nC\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i duy nh\u1ea5t<\/td>\nKi\u1ebfn tr\u00fac th\u00e0nh ph\u1ea7n, \u1ee7y quy\u1ec1n n\u1ed9i b\u1ed9, tr\u1eebu t\u01b0\u1ee3ng h\u00f3a ph\u1ea7n c\u1ee9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      N\u1ebfu b\u1ea1n \u0111ang l\u1eadp b\u1ea3n \u0111\u1ed3 to\u00e0n b\u1ed9 s\u01a1 \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, s\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 \u0111\u1ee7. N\u1ebfu b\u1ea1n \u0111ang x\u00e1c \u0111\u1ecbnh c\u00e1ch m\u1ed9t module \u0111\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3 \u1ee7y quy\u1ec1n c\u00e1c nhi\u1ec7m v\u1ee5 cho b\u1ed9 ph\u1eadn phun nhi\u00ean li\u1ec7u v\u00e0 bugi b\u00ean trong, s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5 h\u1ee3p l\u00e0 c\u00f4ng c\u1ee5 \u0111\u00fang \u0111\u1eafn. Vi\u1ec7c nh\u1ea7m l\u1eabn hai lo\u1ea1i n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n, che gi\u1ea5u thay v\u00ec l\u00e0m r\u00f5 th\u00f4ng tin.<\/p>\n

      Nghi\u1ec7m 2: N\u00f3 ch\u1ec9 d\u00e0nh cho ph\u1ea7n c\u1ee9ng ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng nh\u00fang \ud83d\udda5\ufe0f<\/h2>\n

      Nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n li\u00ean k\u1ebft s\u01a1 \u0111\u1ed3 n\u00e0y v\u1edbi ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd, cho r\u1eb1ng n\u00f3 ch\u1ec9 thu\u1ed9c v\u1ec1 l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng nh\u00fang, n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd (c\u1ea3m bi\u1ebfn, b\u1ed9 x\u1eed l\u00fd, \u0111\u1ed9ng c\u01a1) \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. M\u1eb7c d\u00f9 n\u00f3 r\u1ea5t t\u1ed1t cho ph\u1ea7n c\u1ee9ng, nh\u01b0ng gi\u1edbi h\u1ea1n n\u00f3 ch\u1ec9 cho ph\u1ea7n c\u1ee9ng s\u1ebd b\u1ecf qua gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 trong ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m thu\u1ea7n t\u00fay.<\/p>\n

      \u1ee8ng d\u1ee5ng ph\u1ea7n m\u1ec1m<\/h3>\n

      Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, kh\u00e1i ni\u1ec7m ‘b\u1ed9 ph\u1eadn’ \u00e1p d\u1ee5ng cho c\u00e1c th\u00e0nh ph\u1ea7n logic c\u0169ng t\u1ed1t nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd. H\u00e3y xem x\u00e9t ki\u1ebfn tr\u00fac microservices ho\u1eb7c m\u1ed9t \u1ee9ng d\u1ee5ng web theo l\u1edbp:<\/p>\n

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      • C\u00e1c b\u1ed9 ph\u1eadn logic:<\/strong> M\u1ed9t d\u1ecbch v\u1ee5 web c\u00f3 th\u1ec3 bao g\u1ed3m Controller, l\u1edbp D\u1ecbch v\u1ee5 v\u00e0 Kho l\u01b0u tr\u1eef. M\u1ed7i th\u00e0nh ph\u1ea7n l\u00e0 m\u1ed9t ‘b\u1ed9 ph\u1eadn’ v\u1edbi c\u00e1c giao di\u1ec7n c\u1ee5 th\u1ec3.<\/li>\n
      • \u1ee6y quy\u1ec1n:<\/strong> Controller kh\u00f4ng x\u1eed l\u00fd logic d\u1eef li\u1ec7u; n\u00f3 \u1ee7y quy\u1ec1n cho L\u1edbp D\u1ecbch v\u1ee5. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5 h\u1ee3p tr\u1ef1c quan h\u00f3a vi\u1ec7c \u1ee7y quy\u1ec1n n\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/li>\n
      • T\u01b0\u01a1ng t\u00e1c c\u1ed5ng:<\/strong> C\u00e1c c\u1ed5ng x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c l\u1edbp n\u00e0y nh\u1eadn \u0111\u1ea7u v\u00e0o v\u00e0 cung c\u1ea5p \u0111\u1ea7u ra, \u0111\u1ed9c l\u1eadp v\u1edbi ng\u00f4n ng\u1eef tri\u1ec3n khai n\u1ec1n t\u1ea3ng.<\/li>\n<\/ul>\n

        T\u1ea1i sao hi\u1ec3u l\u1ea7m n\u00e0y t\u1ed3n t\u1ea1i<\/h3>\n

        K\u00fd hi\u1ec7u bao g\u1ed3m c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 ‘c\u1ed5ng’ v\u00e0 ‘k\u1ebft n\u1ed1i’ ph\u1ea3n \u00e1nh d\u00e2y n\u1ed1i v\u1eadt l\u00fd. Tuy nhi\u00ean, trong ph\u1ea7n m\u1ec1m, m\u1ed9t c\u1ed5ng l\u00e0 m\u1ed9t \u0111i\u1ec3m giao di\u1ec7n tr\u1eebu t\u01b0\u1ee3ng. M\u1ed9t k\u1ebft n\u1ed1i l\u00e0 m\u1ed9t m\u1ed1i ph\u1ee5 thu\u1ed9c ho\u1eb7c li\u00ean k\u1ebft. B\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n c\u00f4ng c\u1ee5 n\u00e0y ch\u1ec9 cho ph\u1ea7n c\u1ee9ng, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i ghi l\u1ea1i h\u1ee3p \u0111\u1ed3ng n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p.<\/p>\n

        Khi t\u00e0i li\u1ec7u h\u00f3a vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u0169, v\u00ed d\u1ee5, vi\u1ec7c minh h\u1ecda c\u00e1ch m\u1ed9t module \u0111\u01a1n th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 n\u1ed9i b\u1ed9 ri\u00eang bi\u1ec7t gi\u00fap c\u00e1c b\u00ean li\u00ean quan hi\u1ec3u k\u1ebf ho\u1ea1ch t\u00e1i c\u1ea5u tr\u00fac m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t trong m\u00e3 ngu\u1ed3n.<\/p>\n

        Nghi\u1ec7m 3: N\u00f3 qu\u00e1 ph\u1ee9c t\u1ea1p cho m\u00f4i tr\u01b0\u1eddng Agile \ud83c\udfc3\u200d\u2642\ufe0f<\/h2>\n

        C\u00e1c ph\u01b0\u01a1ng ph\u00e1p Agile \u01b0u ti\u00ean ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng h\u01a1n l\u00e0 t\u00e0i li\u1ec7u to\u00e0n di\u1ec7n. M\u1ed9t s\u1ed1 \u0111\u1ed9i cho r\u1eb1ng c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac chi ti\u1ebft qu\u00e1 t\u1ed1n th\u1eddi gian \u0111\u1ec3 duy tr\u00ec v\u00e0 do \u0111\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi ph\u00e1t tri\u1ec3n l\u1eb7p l\u1ea1i. H\u1ecd coi s\u01a1 \u0111\u1ed3 n\u00e0y l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m n\u1eb7ng n\u1ec1, th\u1eddi k\u1ef3 n\u01b0\u1edbc ch\u1ea3y.<\/p>\n

        L\u1eadp lu\u1eadn ph\u1ea3n bi\u1ec7n: S\u1ef1 r\u00f5 r\u00e0ng ti\u1ebft ki\u1ec7m th\u1eddi gian<\/h3>\n

        M\u1eb7c d\u00f9 \u0111\u00fang l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 ch\u1ec9 h\u1eefu \u00edch n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, nh\u01b0ng kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0o s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch b\u1eb1ng c\u00e1ch gi\u1ea3m th\u1eddi gian g\u1ee1 l\u1ed7i. Khi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n tham gia nh\u00f3m, vi\u1ec7c hi\u1ec3u c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n s\u1ebd nhanh h\u01a1n so v\u1edbi vi\u1ec7c \u0111\u1ecdc t\u1eebng d\u00f2ng m\u00e3 ngu\u1ed3n.<\/p>\n

          \n
        • Ch\u00e0o \u0111\u00f3n th\u00e0nh vi\u00ean m\u1edbi:<\/strong>C\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m nhanh ch\u00f3ng n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c ki\u1ebfn tr\u00fac.<\/li>\n
        • T\u00e1i c\u1ea5u tr\u00fac:<\/strong>Khi thay \u0111\u1ed5i m\u1ed9t ph\u1ea7n b\u00ean trong, s\u01a1 \u0111\u1ed3 s\u1ebd cho th\u1ea5y nh\u1eefng ph\u1ea7n n\u00e0o kh\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u1ed3i quy.<\/li>\n
        • T\u00e0i li\u1ec7u nh\u01b0 m\u00e3 ngu\u1ed3n:<\/strong>C\u00e1c s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh, gi\u00fap ch\u00fang lu\u00f4n \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng.<\/li>\n<\/ul>\n

          S\u1eed d\u1ee5ng th\u1ef1c t\u1ebf trong c\u00e1c v\u00f2ng l\u1eb7p ph\u00e1t tri\u1ec3n<\/h3>\n

          B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i v\u1ebd s\u01a1 \u0111\u1ed3 cho m\u1ecdi l\u1edbp. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh cho:<\/p>\n

            \n
          • C\u00e1c h\u1ec7 th\u1ed1ng con quan tr\u1ecdng.<\/li>\n
          • C\u00e1c giao di\u1ec7n tr\u1ea3i d\u00e0i qua nhi\u1ec1u nh\u00f3m.<\/li>\n
          • C\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p cao ho\u1eb7c t\u1ef7 l\u1ec7 l\u1ed7i cao.<\/li>\n<\/ul>\n

            B\u1eb1ng c\u00e1ch coi n\u00f3 nh\u01b0 m\u1ed9t t\u00e0i li\u1ec7u s\u1ed1ng cho c\u00e1c khu v\u1ef1c ph\u1ee9c t\u1ea1p thay v\u00ec m\u1ed9t m\u1ec7nh l\u1ec7nh to\u00e0n h\u1ec7 th\u1ed1ng, n\u00f3 ph\u00f9 h\u1ee3p tho\u1ea3i m\u00e1i v\u00e0o quy tr\u00ecnh l\u00e0m vi\u1ec7c linh ho\u1ea1t. M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 t\u00e0i li\u1ec7u h\u00f3a m\u1ecdi th\u1ee9, m\u00e0 l\u00e0 t\u00e0i li\u1ec7u h\u00f3a nh\u1eefng \u0111i\u1ec1u kh\u00f3 hi\u1ec3u.<\/p>\n

            Suy ngh\u0129 sai l\u1ea7m 4: S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 l\u00e0m cho \u0111i\u1ec1u n\u00e0y th\u1eeba th\u00e3i \ud83d\udd04<\/h2>\n

            M\u1ed9t \u0111i\u1ec3m tranh c\u00e3i ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 s\u1ef1 tr\u00f9ng l\u1eb7p gi\u1eefa S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 v\u00e0 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh. C\u1ea3 hai \u0111\u1ec1u th\u1ec3 hi\u1ec7n c\u00e1c t\u01b0\u01a1ng t\u00e1c. Do \u0111\u00f3, m\u1ed9t s\u1ed1 nh\u00f3m lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh, ch\u1ec9 d\u1ef1a v\u00e0o S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n giao ti\u1ebfp v\u1edbi nhau.<\/p>\n

            T\u0129nh vs. \u0110\u1ed9ng<\/h3>\n

            \u0110\u00e2y l\u00e0 m\u1ed9t hi\u1ec3u l\u1ea7m c\u0103n b\u1ea3n v\u1ec1 ph\u1ed5 UML.<\/p>\n

              \n
            • S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 h\u00e0nh vi. Ch\u00fang th\u1ec3 hi\u1ec7n m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 ho\u1eb7c d\u00f2ng th\u1eddi gian c\u1ee7a c\u00e1c tin nh\u1eafn. Ch\u00fang tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201c\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi ng\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o n\u00fat?\u201d<\/li>\n
            • S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh:<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac. Ch\u00fang th\u1ec3 hi\u1ec7n ti\u1ec1m n\u0103ng t\u01b0\u01a1ng t\u00e1c. Ch\u00fang tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cKi\u1ebfn tr\u00fac n\u00e0o cho ph\u00e9p x\u1eed l\u00fd vi\u1ec7c nh\u1ea5p n\u00fat?\u201d<\/li>\n<\/ul>\n

              T\u1ea1i sao b\u1ea1n c\u1ea7n c\u1ea3 hai<\/h3>\n

              M\u1ed9t S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 m\u00f4 t\u1ea3 m\u1ed9t lu\u1ed3ng. M\u1ed9t S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh m\u00f4 t\u1ea3 kh\u1ea3 n\u0103ngkh\u1ea3 n\u0103ng<\/em>c\u1ee7a h\u1ec7 th\u1ed1ng trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c lu\u1ed3ng. B\u1ea1n c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 cho m\u1ed9t c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh duy nh\u1ea5t.<\/p>\n

              V\u00ed d\u1ee5, m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ed5ng thanh to\u00e1n c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n

                \n
              • M\u1ed9t lu\u1ed3ng x\u00e1c th\u1ef1c.<\/li>\n
              • M\u1ed9t lu\u1ed3ng giao d\u1ecbch.<\/li>\n
              • M\u1ed9t lu\u1ed3ng ho\u00e0n ti\u1ec1n.<\/li>\n<\/ul>\n

                Thay v\u00ec v\u1ebd ba s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 ri\u00eang bi\u1ec7t, b\u1ea1n c\u00f3 th\u1ec3 v\u1ebd m\u1ed9t s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh th\u1ec3 hi\u1ec7n c\u00e1c th\u00e0nh ph\u1ea7n (Tr\u00ecnh x\u00e1c th\u1ef1c, B\u1ed9 x\u1eed l\u00fd giao d\u1ecbch, Tr\u00ecnh x\u1eed l\u00fd ho\u00e0n ti\u1ec1n) v\u00e0 c\u00e1ch ch\u00fang k\u1ebft n\u1ed1i v\u1edbi nhau. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p m\u1ed9t ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t v\u1ec1 ki\u1ebfn tr\u00fac, trong khi c\u00e1c s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 cung c\u1ea5p chi ti\u1ebft cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n

                Giao di\u1ec7n \u1ee7y quy\u1ec1n<\/h3>\n

                S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p xu\u1ea5t s\u1eafc trong vi\u1ec7c th\u1ec3 hi\u1ec7ngiao di\u1ec7n \u1ee7y quy\u1ec1n<\/em>. Khi m\u1ed9t b\u1ed9 ph\u1eadn b\u00ean trong x\u1eed l\u00fd m\u1ed9t y\u00eau c\u1ea7u, n\u00f3 th\u01b0\u1eddng chuy\u1ec3n y\u00eau c\u1ea7u \u0111\u00f3 cho m\u1ed9t b\u1ed9 ph\u1eadn kh\u00e1c. Vi\u1ec7c \u1ee7y quy\u1ec1n n\u00e0y mang t\u00ednh c\u1ea5u tr\u00fac. S\u01a1 \u0111\u1ed3 Chu\u1ed7i th\u1ec3 hi\u1ec7n vi\u1ec7c truy\u1ec1n tin nh\u1eafn, nh\u01b0ng s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p \u0111\u1ecbnh ngh\u0129ah\u1ee3p \u0111\u1ed3ng<\/em>cho ph\u00e9p vi\u1ec7c truy\u1ec1n tin nh\u1eafn t\u1ed3n t\u1ea1i.<\/p>\n

                N\u1ed7i tin sai l\u1ea7m 5: N\u00f3 l\u00e0 t\u0129nh v\u00e0 kh\u00f4ng th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c h\u00e0nh vi \ud83d\uded1<\/h2>\n

                M\u1ed9t s\u1ed1 chuy\u00ean gia tin r\u1eb1ng v\u00ec \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 ‘C\u1ea5u tr\u00fac’, n\u00ean n\u00f3 kh\u00f4ng th\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea5t k\u1ef3 h\u00e0nh vi n\u00e0o. H\u1ecd cho r\u1eb1ng s\u01a1 \u0111\u1ed3 ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c h\u00ecnh h\u1ed9p v\u00e0 \u0111\u01b0\u1eddng k\u1ebb, kh\u00f4ng cung c\u1ea5p b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

                Giao di\u1ec7n x\u00e1c \u0111\u1ecbnh h\u00e0nh vi<\/h3>\n

                \u0110i\u1ec1u n\u00e0y l\u00e0 sai. M\u1eb7c d\u00f9 s\u01a1 \u0111\u1ed3 b\u1ea3n th\u00e2n l\u00e0 t\u0129nh, nh\u01b0ngc\u00e1c giao di\u1ec7n<\/strong>k\u1ebft n\u1ed1i v\u1edbi c\u00e1c c\u1ed5ng x\u00e1c \u0111\u1ecbnh h\u00e0nh vi. S\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7nc\u01a1 ch\u1ebf<\/em>b\u1eb1ng c\u00e1ch m\u00e0 h\u00e0nh vi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n

                  \n
                • Giao di\u1ec7n cung c\u1ea5p:<\/strong>\u0110\u00e2y l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 m\u00e0 b\u1ed9 ph\u1eadn cung c\u1ea5p cho b\u00ean ngo\u00e0i.<\/li>\n
                • Giao di\u1ec7n y\u00eau c\u1ea7u:<\/strong>\u0110\u00e2y l\u00e0 c\u00e1c d\u1ecbch v\u1ee5 m\u00e0 b\u1ed9 ph\u1eadn c\u1ea7n t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n<\/ul>\n

                  B\u1eb1ng c\u00e1ch \u00e1nh x\u1ea1 nh\u1eefng \u0111i\u1ec1u n\u00e0y, s\u01a1 \u0111\u1ed3 ng\u1ea7m \u0111\u1ecbnh \u00e1nh x\u1ea1 c\u00e1c m\u1ed1i quan h\u1ec7 h\u00e0nh vi. N\u1ebfu B\u1ed9 ph\u1eadn A y\u00eau c\u1ea7u Giao di\u1ec7n X, v\u00e0 B\u1ed9 ph\u1eadn B cung c\u1ea5p Giao di\u1ec7n X, th\u00ec h\u00e0nh vi c\u1ee7a B\u1ed9 ph\u1eadn A ph\u1ee5 thu\u1ed9c v\u00e0o B\u1ed9 ph\u1eadn B.<\/p>\n

                  Khung h\u1ee3p t\u00e1c<\/h3>\n

                  Trong c\u00e1ch s\u1eed d\u1ee5ng n\u00e2ng cao, c\u00e1c khung h\u1ee3p t\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ch\u1ec9 ra c\u00e1c m\u1eabu h\u00e0nh vi c\u1ee5 th\u1ec3. M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau chu\u1ea9n trong m\u1ecdi c\u00f4ng c\u1ee5, nh\u01b0ng b\u1ed1i c\u1ea3nh c\u1ea5u tr\u00fac do s\u01a1 \u0111\u1ed3 cung c\u1ea5p l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh vi. B\u1ea1n kh\u00f4ng th\u1ec3 hi\u1ec3u h\u00e0nh vi n\u1ebfu kh\u00f4ng hi\u1ec3u c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 n\u00f3.<\/p>\n

                  S\u01a1 \u0111\u1ed3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ed9 khung x\u01b0\u01a1ng. C\u00e1c s\u01a1 \u0111\u1ed3 Chu\u1ed7i v\u00e0 Ho\u1ea1t \u0111\u1ed9ng cung c\u1ea5p c\u01a1 b\u1eafp v\u00e0 th\u1ea7n kinh. Lo\u1ea1i b\u1ecf b\u1ed9 khung khi\u1ebfn h\u00e0nh vi tr\u00f4i n\u1ed5i trong kho\u1ea3ng tr\u1ed1ng, khi\u1ebfn vi\u1ec7c truy xu\u1ea5t l\u1ea1i tri\u1ec3n khai tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n

                  C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho tri\u1ec3n khai \u2705<\/h2>\n

                  \u0110\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u01a1 \u0111\u1ed3 n\u00e0y m\u00e0 kh\u00f4ng r\u01a1i v\u00e0o nh\u1eefng c\u00e1i b\u1eaby c\u1ee7a c\u00e1c tin \u0111\u1ed3n tr\u00ean, h\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp sau.<\/p>\n

                  1. X\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed5ng r\u00f5 r\u00e0ng<\/h3>\n

                  Kh\u00f4ng n\u00ean ph\u01a1i b\u00e0y to\u00e0n b\u1ed9 \u0111\u1ed1i t\u01b0\u1ee3ng nh\u01b0 m\u1ed9t \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c duy nh\u1ea5t. Chia nh\u1ecf c\u00e1c t\u01b0\u01a1ng t\u00e1c th\u00e0nh c\u00e1c c\u1ed5ng c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y thi\u1ebft k\u1ebf theo m\u00f4-\u0111un, n\u01a1i c\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 r\u00e0ng.<\/p>\n

                    \n
                  • S\u1eed d\u1ee5ng c\u00e1c c\u1ed5ng c\u00f3 t\u00ean \u0111\u1ec3 r\u00f5 r\u00e0ng h\u01a1n.<\/li>\n
                  • \u0110\u1ea3m b\u1ea3o m\u1ecdi t\u01b0\u01a1ng t\u00e1c b\u00ean ngo\u00e0i \u0111\u1ec1u \u0111i qua m\u1ed9t c\u1ed5ng.<\/li>\n
                  • Gom c\u00e1c giao di\u1ec7n li\u00ean quan tr\u00ean c\u00f9ng m\u1ed9t c\u1ed5ng n\u1ebfu ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n

                    2. S\u1eed d\u1ee5ng \u1ee7y quy\u1ec1n c\u1ea9n tr\u1ecdng<\/h3>\n

                    C\u00e1c k\u1ebft n\u1ed1i \u1ee7y quy\u1ec1n cho ph\u00e9p m\u1ed9t ph\u1ea7n n\u1ed9i b\u1ed9 x\u1eed l\u00fd y\u00eau c\u1ea7u d\u00e0nh cho to\u00e0n b\u1ed9 t\u1ed5ng h\u1ee3p. S\u1eed d\u1ee5ng \u0111i\u1ec1u n\u00e0y khi ph\u1ea7n n\u1ed9i b\u1ed9 l\u00e0 ng\u01b0\u1eddi th\u1ef1c thi logic th\u1ef1c s\u1ef1. \u0110\u1eebng d\u00f9ng n\u00f3 \u0111\u1ec3 che gi\u1ea5u \u0111\u1ed9 ph\u1ee9c t\u1ea1p; h\u00e3y d\u00f9ng n\u00f3 \u0111\u1ec3 qu\u1ea3n l\u00fd n\u00f3.<\/p>\n

                    3. Gi\u1eef \u1edf m\u1ee9c \u0111\u1ed9 cao<\/h3>\n

                    \u0110\u1eebng li\u1ec7t k\u00ea t\u1eebng thu\u1ed9c t\u00ednh trong c\u00e1c ph\u1ea7n. T\u1eadp trung v\u00e0o ch\u00ednh c\u00e1c ph\u1ea7n v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u1ebfu b\u1ea1n c\u1ea7n hi\u1ec3n th\u1ecb thu\u1ed9c t\u00ednh, h\u00e3y d\u00f9ng s\u01a1 \u0111\u1ed3 l\u1edbp. S\u01a1 \u0111\u1ed3 n\u00e0y n\u00f3i v\u1ec1 c\u1ea5u tr\u00fac<\/em>c\u1ee7a c\u00e1c ph\u1ea7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1eef li\u1ec7u b\u00ean trong ch\u00fang.<\/p>\n

                    4. T\u00e0i li\u1ec7u h\u00f3a ng\u1eef c\u1ea3nh<\/h3>\n

                    Lu\u00f4n hi\u1ec3n th\u1ecb h\u1ed9p ng\u1eef c\u1ea3nh. \u0110i\u1ec1u n\u00e0y cho bi\u1ebft c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 tri\u1ec3n khai c\u1ee7a c\u00e1i g\u00ec. \u0110i\u1ec1u n\u00e0y ph\u00e2n bi\u1ec7t gi\u1eefa tri\u1ec3n khai v\u00e0 giao di\u1ec7n, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

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

                    Ngay c\u1ea3 v\u1edbi nh\u1eefng \u00fd \u0111\u1ecbnh t\u1ed1t nh\u1ea5t, l\u1ed7i v\u1eabn x\u1ea3y ra. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n l\u01b0u \u00fd.<\/p>\n

                      \n
                    • Qu\u00e1 m\u1ee9c thi\u1ebft k\u1ebf:<\/strong>V\u1ebd s\u01a1 \u0111\u1ed3 cho c\u00e1c l\u1edbp \u0111\u01a1n gi\u1ea3n kh\u00f4ng c\u00f3 ph\u1ea7n n\u1ed9i b\u1ed9. N\u1ebfu m\u1ed9t l\u1edbp kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9, \u0111\u1eebng v\u1ebd s\u01a1 \u0111\u1ed3 n\u00e0y.<\/li>\n
                    • B\u1ecf qua giao di\u1ec7n:<\/strong>N\u1ed1i c\u00e1c ph\u1ea7n tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u00f3 giao di\u1ec7n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd. Lu\u00f4n s\u1eed d\u1ee5ng giao di\u1ec7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ee3p \u0111\u1ed3ng.<\/li>\n
                    • Thi\u1ebfu ng\u1eef c\u1ea3nh:<\/strong>Kh\u00f4ng hi\u1ec3n th\u1ecb h\u1ed9p ng\u1eef c\u1ea3nh khi\u1ebfn vi\u1ec7c hi\u1ec3u c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/li>\n
                    • T\u00ean g\u1ecdi kh\u00f4ng nh\u1ea5t qu\u00e1n:<\/strong>D\u00f9ng t\u00ean kh\u00e1c nhau cho c\u00f9ng m\u1ed9t giao di\u1ec7n \u1edf c\u00e1c ph\u1ea7n kh\u00e1c nhau. Duy tr\u00ec m\u1ed9t t\u1eeb \u0111i\u1ec3n.<\/li>\n<\/ul>\n

                      K\u1ebft lu\u1eadn v\u1ec1 s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 c\u1ea5u tr\u00fac \ud83c\udfaf<\/h2>\n

                      S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t, khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch, mang l\u1ea1i gi\u00e1 tr\u1ecb to l\u1edbn cho ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng. N\u00f3 c\u1ea7u n\u1ed1i kho\u1ea3ng c\u00e1ch gi\u1eefa thi\u1ebft k\u1ebf tr\u1eebu t\u01b0\u1ee3ng v\u00e0 tri\u1ec3n khai c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 h\u1ee3p t\u00e1c v\u1edbi nhau.<\/p>\n

                      B\u1eb1ng c\u00e1ch v\u01b0\u1ee3t qua nh\u1eefng hi\u1ec3u l\u1ea7m r\u1eb1ng n\u00f3 ch\u1ec9 l\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp, ch\u1ec9 d\u00f9ng cho ph\u1ea7n c\u1ee9ng, qu\u00e1 ph\u1ee9c t\u1ea1p cho agile, th\u1eeba th\u00e3i so v\u1edbi s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1, ho\u1eb7c thu\u1ea7n t\u00fay t\u0129nh, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 khai ph\u00e1 m\u1ee9c \u0111\u1ed9 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n. Ch\u00eca kh\u00f3a n\u1eb1m \u1edf vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 \u1edf nh\u1eefng n\u01a1i c\u00f3 \u00fd ngh\u0129a: trong c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p n\u01a1i \u1ee7y quy\u1ec1n v\u00e0 t\u01b0\u01a1ng t\u00e1c n\u1ed9i b\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n

                      T\u00e0i li\u1ec7u ph\u1ea3i ph\u1ee5c v\u1ee5 nh\u00e0 ph\u00e1t tri\u1ec3n, ch\u1ee9 kh\u00f4ng ph\u1ea3i ng\u01b0\u1ee3c l\u1ea1i. Khi m\u1ed9t s\u01a1 \u0111\u1ed3 gi\u00fap nh\u00e0 ph\u00e1t tri\u1ec3n suy lu\u1eadn v\u1ec1 h\u1ec7 th\u1ed1ng nhanh h\u01a1n vi\u1ec7c \u0111\u1ecdc m\u00e3 ngu\u1ed3n, th\u00ec n\u00f3 \u0111\u00e3 th\u00e0nh c\u00f4ng. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p mang l\u1ea1i l\u1ee3i th\u1ebf \u0111\u00f3 trong ng\u1eef c\u1ea3nh ph\u00f9 h\u1ee3p.<\/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, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111\u1ed3ng ti\u1ec1n. Khi x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c…<\/p>\n","protected":false},"author":1,"featured_media":114,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"5 hi\u1ec3u l\u1ea7m v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML b\u1ecb b\u00e1c b\u1ecf \ud83d\uded1","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 s\u1ef1 th\u1eadt v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML. Ch\u00fang t\u00f4i b\u00e1c b\u1ecf 5 hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 gi\u1ea3i th\u00edch c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ebfn tr\u00fac n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \ud83d\udcca","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[7],"tags":[9,15],"class_list":["post-113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-composite-structure-diagram"],"yoast_head":"\n5 hi\u1ec3u l\u1ea7m v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML b\u1ecb b\u00e1c b\u1ecf \ud83d\uded1<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 s\u1ef1 th\u1eadt v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML. 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