{"id":1714,"date":"2026-03-27T20:04:57","date_gmt":"2026-03-27T20:04:57","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-checklist-10-elements\/"},"modified":"2026-03-27T20:04:57","modified_gmt":"2026-03-27T20:04:57","slug":"composite-structure-diagram-checklist-10-elements","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-checklist-10-elements\/","title":{"rendered":"B\u1ea3ng ki\u1ec3m s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p: 10 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu m\u00e0 m\u1ecdi nh\u00e0 ph\u00e2n t\u00edch ph\u1ea3i bao g\u1ed3m"},"content":{"rendered":"

Hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m n\u00e0o v\u1eefng ch\u1eafc. Khi v\u01b0\u1ee3t qua c\u00e1c m\u1ed1i quan h\u1ec7 l\u1edbp \u0111\u01a1n gi\u1ea3n hay t\u01b0\u01a1ng t\u00e1c theo tr\u00ecnh t\u1ef1, nhu c\u1ea7u tr\u1ef1c quan h\u00f3a c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0 t\u01b0\u01a1ng t\u00e1c b\u00ean trong tr\u1edf n\u00ean then ch\u1ed1t. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 n\u00e0y trong khu\u00f4n kh\u1ed5 Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 cung c\u1ea5p c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 t\u1ed5 ch\u1ee9c b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i, ti\u1ebft l\u1ed9 c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o n\u00ean to\u00e0n b\u1ed9 v\u00e0 c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa ch\u00fang. \u0110\u1ed1i v\u1edbi m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c giao nhi\u1ec7m v\u1ee5 t\u00e0i li\u1ec7u h\u00f3a ho\u1eb7c x\u00e1c minh thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, vi\u1ec7c d\u1ef1a v\u00e0o tr\u00ed nh\u1edb hay c\u00e1c b\u1ea3n ph\u00e1c th\u1ea3o kh\u00f4ng ch\u00ednh th\u1ee9c l\u00e0 kh\u00f4ng \u0111\u1ee7. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ea3m b\u1ea3o s\u1ef1 r\u00f5 r\u00e0ng, nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y n\u00eau r\u00f5 10 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu ph\u1ea3i c\u00f3 ho\u1eb7c \u0111\u01b0\u1ee3c xem x\u00e9t r\u00f5 r\u00e0ng khi x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau ch\u00ed n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng g\u00e2y hi\u1ec3u l\u1ea7m. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 \u0111\u1ecbnh ngh\u0129a c\u1ee7a t\u1eebng y\u1ebfu t\u1ed1, vai tr\u00f2 c\u1ee7a n\u00f3 trong s\u01a1 \u0111\u1ed3, v\u00e0 h\u1ec7 qu\u1ea3 khi b\u1ecf s\u00f3t n\u00f3. B\u1ea3ng ki\u1ec3m n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch nghi\u00eam ng\u1eb7t n\u1ed9i b\u1ed9 h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o m\u1ecdi k\u1ebft n\u1ed1i v\u00e0 th\u00e0nh ph\u1ea7n \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn.<\/p>\n

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

T\u1ea1i sao s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u1ea1i quan tr\u1ecdng \ud83c\udfd7\ufe0f<\/h2>\n

Tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 c\u1ee5 th\u1ec3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u b\u1ed1i c\u1ea3nh m\u00e0 s\u01a1 \u0111\u1ed3 n\u00e0y ho\u1ea1t \u0111\u1ed9ng. Kh\u00e1c v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp, t\u1eadp trung v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u0129nh, hay S\u01a1 \u0111\u1ed3 Th\u00e0nh ph\u1ea7n, t\u1eadp trung v\u00e0o tri\u1ec3n khai v\u00e0 c\u00e1c m\u00f4-\u0111un ph\u1ea7n m\u1ec1m c\u1ea5p cao, s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p t\u1eadp trung v\u00e0o b\u00ean trong<\/em>c\u1ea5u t\u1ea1o b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i duy nh\u1ea5t. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cB\u00ean trong l\u1edbp hay th\u00e0nh ph\u1ea7n n\u00e0y c\u00f3 g\u00ec?\u201d<\/p>\n

N\u00f3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau h\u1ee3p t\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c tr\u00e1ch nhi\u1ec7m c\u1ee7a n\u00f3. V\u00ed d\u1ee5, m\u1ed9t l\u1edbp Xe h\u01a1i<\/strong>c\u00f3 th\u1ec3 bao g\u1ed3m m\u1ed9t \u0110\u1ed9ng c\u01a1<\/strong>, H\u1ed9p s\u1ed1<\/strong>, v\u00e0 H\u1ec7 th\u1ed1ng l\u00e1i<\/strong>l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong. S\u01a1 \u0111\u1ed3 cho th\u1ea5y c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0 c\u00e1ch l\u1edbp Xe h\u01a1i<\/strong>gi\u1edbi thi\u1ec7u ch\u1ee9c n\u0103ng ra th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i th\u00f4ng qua c\u00e1c c\u1ed5ng c\u1ee7a n\u00f3.<\/p>\n

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  • R\u00f5 r\u00e0ng:<\/strong>Lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3 v\u1ec1 c\u1ea5u t\u1ea1o b\u00ean trong.<\/li>\n
  • Kh\u1ea3 n\u0103ng truy xu\u1ea5t:<\/strong>Li\u00ean k\u1ebft c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong v\u1edbi c\u00e1c giao di\u1ec7n b\u00ean ngo\u00e0i.<\/li>\n
  • X\u00e1c minh:<\/strong>Gi\u00fap x\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn.<\/li>\n
  • Giao ti\u1ebfp:<\/strong>Cung c\u1ea5p m\u1ed9t ng\u00f4n ng\u1eef tr\u1ef1c quan cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan.<\/li>\n<\/ul>\n

    B\u1ea3ng ki\u1ec3m 10 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u2705<\/h2>\n

    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, c\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1. M\u1ed7i m\u1ee5c trong danh s\u00e1ch n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ed9t y\u00eau c\u1ea7u c\u1ea5u tr\u00fac. N\u1ebfu m\u1ed9t y\u1ebfu t\u1ed1 b\u1ecb thi\u1ebfu \u1edf n\u01a1i n\u00f3 c\u1ea7n ph\u1ea3i c\u00f3, s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 sai h\u00e0nh vi ho\u1eb7c lu\u1ed3ng d\u1eef li\u1ec7u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

    1. B\u1ed9 ph\u00e2n lo\u1ea1i (Th\u00f9ng ch\u1ee9a) \ud83d\udce6<\/h3>\n

    M\u1ecdi s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u0111\u1ec1u ph\u1ea3i b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i ch\u00ednh. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n m\u00e0 c\u1ea5u tr\u00fac b\u00ean trong \u0111ang \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 th\u00f9ng ch\u1ee9a cho t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c trong s\u01a1 \u0111\u1ed3. Theo thu\u1eadt ng\u1eef UML, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 m\u1ed9t L\u1edbp, Th\u00e0nh ph\u1ea7n ho\u1eb7c N\u00fat.<\/p>\n

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    • Nh\u1eadn di\u1ec7n:<\/strong>Ph\u00e2n lo\u1ea1i ph\u1ea3i c\u00f3 t\u00ean r\u00f5 r\u00e0ng.<\/li>\n
    • Lo\u1ea1i:<\/strong>N\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng l\u00e0 ch\u1ee7 th\u1ec3 c\u1ee7a c\u1ea5u tr\u00fac.<\/li>\n
    • Ph\u1ea1m vi:<\/strong>\u0110\u1ea3m b\u1ea3o n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi ph\u00e2n t\u00edch. Kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn c\u00e1c ph\u00e2n lo\u1ea1i kh\u00f4ng li\u00ean quan trong c\u00f9ng m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u1eeb khi \u0111ang th\u1ec3 hi\u1ec7n m\u1ed9t c\u1ea5u tr\u00fac bao h\u00e0m.<\/li>\n<\/ul>\n

      N\u1ebfu ph\u00e2n lo\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng, to\u00e0n b\u1ed9 s\u01a1 \u0111\u1ed3 s\u1ebd m\u1ea5t \u0111i\u1ec3m t\u1ef1a. C\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong s\u1ebd v\u00f4 ngh\u0129a n\u1ebfu kh\u00f4ng bi\u1ebft ph\u00e2n lo\u1ea1i n\u00e0o s\u1edf h\u1eefu ch\u00fang. \u0110\u1ea3m b\u1ea3o ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n b\u1eb1ng t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a n\u00f3 v\u00e0, n\u1ebfu c\u00f3, kh\u00f4ng gian t\u00ean g\u00f3i.<\/p>\n

      2. B\u1ed9 ph\u1eadn (Th\u00e0nh ph\u1ea7n b\u00ean trong) \ud83d\udd27<\/h3>\n

      C\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng n\u1eb1m b\u00ean trong ph\u00e2n lo\u1ea1i. \u0110\u00e2y l\u00e0 nh\u1eefng kh\u1ed1i x\u00e2y d\u1ef1ng ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau. M\u1ed9t b\u1ed9 ph\u1eadn l\u00e0 thu\u1ed9c t\u00ednh c\u1ee7a ph\u00e2n lo\u1ea1i c\u00f3 ki\u1ec3u c\u1ee5 th\u1ec3.<\/p>\n

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      • \u0110a d\u1ea1ng:<\/strong>X\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng th\u1ec3 hi\u1ec7n c\u1ee7a b\u1ed9 ph\u1eadn t\u1ed3n t\u1ea1i (v\u00ed d\u1ee5: 0..1, 1, 0..*). \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u00e1ch ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean.<\/li>\n
      • Lo\u1ea1i:<\/strong>B\u1ed9 ph\u1eadn ph\u1ea3i tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t ph\u00e2n lo\u1ea1i ho\u1eb7c ki\u1ec3u th\u00e0nh ph\u1ea7n h\u1ee3p l\u1ec7.<\/li>\n
      • T\u00ednh kh\u1ea3 ki\u1ebfn:<\/strong>Ch\u1ec9 ra li\u1ec7u b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y t\u1eeb th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i hay ho\u00e0n to\u00e0n n\u1ed9i b\u1ed9.<\/li>\n<\/ul>\n

        Khi t\u00e0i li\u1ec7u h\u00f3a c\u00e1c b\u1ed9 ph\u1eadn, tr\u00e1nh t\u1ea1o nh\u00e3n chung chung \u201cB\u1ed9 ph\u1eadn\u201d. S\u1eed d\u1ee5ng t\u00ean c\u1ee5 th\u1ec3 ph\u1ea3n \u00e1nh vai tr\u00f2 c\u1ee7a th\u00e0nh ph\u1ea7n. V\u00ed d\u1ee5, thay v\u00ec \u201cB\u1ed9 ph\u1eadn1\u201d, h\u00e3y d\u00f9ng \u201cB\u1ed9 phun nhi\u00ean li\u1ec7u\u201d. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c cho b\u1ea5t k\u1ef3 ai \u0111\u1ecdc s\u01a1 \u0111\u1ed3 sau n\u00e0y.<\/p>\n

        3. C\u1ed5ng (\u0110i\u1ec3m t\u01b0\u01a1ng t\u00e1c) \ud83d\udd0c<\/h3>\n

        C\u00e1c c\u1ed5ng l\u00e0 c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c c\u1ee7a ph\u00e2n lo\u1ea1i. Ch\u00fang x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong giao ti\u1ebfp v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i ho\u1eb7c v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong kh\u00e1c. M\u1ed9t c\u1ed5ng bao b\u1ecdc giao di\u1ec7n m\u00e0 ph\u00e2n lo\u1ea1i cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u.<\/p>\n

          \n
        • Giao di\u1ec7n cung c\u1ea5p:<\/strong>M\u1ed9t c\u1ed5ng n\u01a1i ph\u00e2n lo\u1ea1i cung c\u1ea5p d\u1ecbch v\u1ee5 cho b\u00ean ngo\u00e0i.<\/li>\n
        • Giao di\u1ec7n y\u00eau c\u1ea7u:<\/strong>M\u1ed9t c\u1ed5ng n\u01a1i ph\u00e2n lo\u1ea1i c\u1ea7n d\u1ecbch v\u1ee5 t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n
        • C\u1ed5ng c\u00f3 t\u00ean:<\/strong>M\u1ed7i c\u1ed5ng n\u00ean c\u00f3 t\u00ean duy nh\u1ea5t \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn.<\/li>\n<\/ul>\n

          Kh\u00f4ng c\u00f3 c\u1ed5ng, s\u01a1 \u0111\u1ed3 s\u1ebd kh\u00f4ng th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1ch c\u1ea5u tr\u00fac b\u00ean trong t\u01b0\u01a1ng t\u00e1c v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng. M\u1ed9t ph\u00e2n lo\u1ea1i c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong nh\u01b0ng kh\u00f4ng c\u00f3 c\u1ed5ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb c\u00f4 l\u1eadp, \u0111i\u1ec1u n\u00e0y hi\u1ebfm khi x\u1ea3y ra trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n ho\u1eb7c c\u00f3 c\u1ea5u tr\u00fac module.<\/p>\n

          4. K\u1ebft n\u1ed1i (Li\u00ean k\u1ebft b\u00ean trong) \ud83d\udd17<\/h3>\n

          C\u00e1c k\u1ebft n\u1ed1i x\u00e1c \u0111\u1ecbnh c\u00e1c li\u00ean k\u1ebft gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, c\u1ed5ng v\u00e0 vai tr\u00f2. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho lu\u1ed3ng d\u1eef li\u1ec7u ho\u1eb7c t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong. Trong S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh, c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft trong S\u01a1 \u0111\u1ed3 L\u1edbp v\u00ec ch\u00fang \u0111\u1ea1i di\u1ec7n cho d\u00e2y n\u1ed1i v\u1eadt l\u00fd ho\u1eb7c logic b\u00ean trong c\u1ea5u tr\u00fac.<\/p>\n

            \n
          • Ngu\u1ed3n v\u00e0 \u0111\u00edch:<\/strong>X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng ph\u1ea7n t\u1eed n\u00e0o k\u1ebft n\u1ed1i v\u1edbi ph\u1ea7n t\u1eed n\u00e0o.<\/li>\n
          • Lo\u1ea1i k\u1ebft n\u1ed1i:<\/strong> Ch\u1ec9 \u0111\u1ecbnh xem \u0111\u00f3 l\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u, lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n hay t\u00edn hi\u1ec7u.<\/li>\n
          • T\u00ean vai tr\u00f2:<\/strong> G\u00e1n t\u00ean vai tr\u00f2 cho c\u00e1c \u0111\u1ea7u n\u1ed1i c\u1ee7a b\u1ed9 n\u1ed1i \u0111\u1ec3 m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n

            C\u00e1c b\u1ed9 n\u1ed1i l\u00e0 nh\u1eefng t\u0129nh m\u1ea1ch c\u1ee7a s\u01a1 \u0111\u1ed3. Ch\u00fang cho th\u1ea5y c\u00e1c b\u1ed9 ph\u1eadn h\u1ee3p t\u00e1c v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o. Vi\u1ec7c thi\u1ebfu m\u1ed9t b\u1ed9 n\u1ed1i ng\u1ee5 \u00fd r\u1eb1ng hai b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 giao ti\u1ebfp v\u1edbi nhau, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ed7i thi\u1ebft k\u1ebf ho\u1eb7c s\u1ef1 t\u00e1ch bi\u1ec7t c\u00f3 ch\u1ee7 \u00fd c\u1ea7n \u0111\u01b0\u1ee3c ghi ch\u00fa.<\/p>\n

            5. Vai tr\u00f2 (Tri\u1ec3n khai giao di\u1ec7n) \ud83c\udfad<\/h3>\n

            M\u1ed9t vai tr\u00f2 l\u00e0 bi\u1ec3u di\u1ec5n c\u1ee7a m\u1ed9t giao di\u1ec7n \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1edfi m\u1ed9t b\u1ed9 ph\u1eadn. Khi m\u1ed9t b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t c\u1ed5ng, n\u00f3 th\u1ef1c hi\u1ec7n m\u1ed9t vai tr\u00f2 c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y ph\u00e2n bi\u1ec7t giao di\u1ec7n tr\u1eebu t\u01b0\u1ee3ng v\u1edbi tri\u1ec3n khai c\u1ee5 th\u1ec3.<\/p>\n

              \n
            • Tham chi\u1ebfu giao di\u1ec7n:<\/strong>Vai tr\u00f2 ph\u1ea3i tham chi\u1ebfu \u0111\u1ebfn giao di\u1ec7n c\u1ee5 th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c tri\u1ec3n khai.<\/li>\n
            • \u0110a d\u1ea1ng:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00f3 bao nhi\u00eau giao di\u1ec7n lo\u1ea1i n\u00e0y \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/li>\n
            • G\u1eafn k\u1ebft:<\/strong>C\u00e1c vai tr\u00f2 \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft v\u1edbi c\u00e1c c\u1ed5ng ho\u1eb7c c\u00e1c b\u1ed9 n\u1ed1i kh\u00e1c.<\/li>\n<\/ul>\n

              C\u00e1c vai tr\u00f2 cho ph\u00e9p \u0111a h\u00ecnh trong s\u01a1 \u0111\u1ed3. C\u00f9ng m\u1ed9t giao di\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau, ho\u1eb7c c\u00f9ng m\u1ed9t b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c vai tr\u00f2 kh\u00e1c nhau. S\u1ef1 linh ho\u1ea1t n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng l\u00e0m r\u1ed1i s\u01a1 \u0111\u1ed3 b\u1eb1ng qu\u00e1 nhi\u1ec1u k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp.<\/p>\n

              6. B\u1ed9 n\u1ed1i l\u1eafp r\u00e1p (G\u1eafn k\u1ebft) \ud83d\udd0c<\/h3>\n

              B\u1ed9 n\u1ed1i l\u1eafp r\u00e1p l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9 n\u1ed1i c\u1ee5 th\u1ec3, k\u1ebft n\u1ed1i m\u1ed9t giao di\u1ec7n y\u00eau c\u1ea7u v\u1edbi m\u1ed9t giao di\u1ec7n cung c\u1ea5p. N\u00f3 \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c th\u1ef1c hi\u1ec7n h\u1ee3p \u0111\u1ed3ng. N\u1ebfu m\u1ed9t b\u1ed9 ph\u1eadn y\u00eau c\u1ea7u m\u1ed9t d\u1ecbch v\u1ee5, v\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn kh\u00e1c cung c\u1ea5p n\u00f3, th\u00ec b\u1ed9 n\u1ed1i l\u1eafp r\u00e1p s\u1ebd k\u1ebft n\u1ed1i ch\u00fang l\u1ea1i v\u1edbi nhau.<\/p>\n

                \n
              • \u0110i\u1ec3m g\u1eafn k\u1ebft:<\/strong>Ch\u1ec9 ra n\u01a1i k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/li>\n
              • Ph\u00f9 h\u1ee3p giao di\u1ec7n:<\/strong>\u0110\u1ea3m b\u1ea3o giao di\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i giao di\u1ec7n y\u00eau c\u1ea7u.<\/li>\n
              • T\u00ednh \u0111\u1ea7y \u0111\u1ee7:<\/strong>X\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c giao di\u1ec7n y\u00eau c\u1ea7u \u0111\u1ec1u c\u00f3 giao di\u1ec7n cung c\u1ea5p t\u01b0\u01a1ng \u1ee9ng trong ph\u1ea1m vi.<\/li>\n<\/ul>\n

                Y\u1ebfu t\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng trong qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c. N\u00f3 cho th\u1ea5y ch\u00ednh x\u00e1c n\u01a1i c\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. N\u1ebfu m\u1ed9t giao di\u1ec7n y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 b\u1ed9 n\u1ed1i l\u1eafp r\u00e1p, h\u1ec7 th\u1ed1ng s\u1ebd th\u1ea5t b\u1ea1i khi ch\u1ea1y. Y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap c\u00e1c nh\u00e0 ph\u00e2n t\u00edch ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c ph\u1ee5 thu\u1ed9c b\u1ecb thi\u1ebfu.<\/p>\n

                7. B\u1ed9 n\u1ed1i \u1ee7y quy\u1ec1n (\u1ee6y quy\u1ec1n) \ud83c\udfc3<\/h3>\n

                B\u1ed9 n\u1ed1i \u1ee7y quy\u1ec1n cho ph\u00e9p giao di\u1ec7n b\u00ean ngo\u00e0i c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n cho m\u1ed9t b\u1ed9 ph\u1eadn b\u00ean trong. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t l\u1eddi g\u1ecdi \u0111\u1ebfn c\u1ed5ng c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn c\u1ed5ng c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn b\u00ean trong.<\/p>\n

                  \n
                • Logic \u0111\u1ecbnh tuy\u1ebfn:<\/strong>Hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c y\u00eau c\u1ea7u b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u00ean trong.<\/li>\n
                • T\u00ednh minh b\u1ea1ch:<\/strong>Gi\u1ea5u \u0111i \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u00ean trong kh\u1ecfi ng\u01b0\u1eddi g\u1ecdi b\u00ean ngo\u00e0i.<\/li>\n
                • B\u1ea3n \u0111\u1ed3 h\u00f3a:<\/strong>R\u00f5 r\u00e0ng \u00e1nh x\u1ea1 c\u1ed5ng b\u00ean ngo\u00e0i sang c\u1ed5ng c\u1ee7a b\u1ed9 ph\u1eadn b\u00ean trong.<\/li>\n<\/ul>\n

                  C\u00e1c k\u1ebft n\u1ed1i \u1ee7y quy\u1ec1n l\u00e0m \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1i nh\u00ecn v\u1ec1 h\u1ec7 th\u1ed1ng. Ch\u00fang cho ph\u00e9p b\u1ed9 ph\u00e2n lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u00e1y trung gian. Kh\u00f4ng c\u00f3 \u0111i\u1ec1u n\u00e0y, th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i s\u1ebd c\u1ea7n bi\u1ebft ch\u00ednh x\u00e1c ph\u1ea7n n\u1ed9i b\u1ed9 n\u00e0o c\u1ea7n g\u1ecdi, l\u00e0m ph\u00e1 v\u1ee1 t\u00ednh \u0111\u00f3ng g\u00f3i.<\/p>\n

                  8. C\u1ea5u tr\u00fac b\u00ean trong (l\u1ed3ng gh\u00e9p) \ud83e\ude86<\/h3>\n

                  C\u00e1c c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ed3ng gh\u00e9p. M\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 ch\u00ednh l\u00e0 m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i v\u1edbi c\u1ea5u tr\u00fac b\u00ean trong ri\u00eang c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a ph\u00e2n c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/p>\n

                    \n
                  • \u0110\u1ed9 s\u00e2u:<\/strong>C\u1ea9n th\u1eadn v\u1edbi \u0111\u1ed9 s\u00e2u l\u1ed3ng gh\u00e9p. Qu\u00e1 nhi\u1ec1u c\u1ea5p \u0111\u1ed9 c\u00f3 th\u1ec3 khi\u1ebfn s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecdc.<\/li>\n
                  • T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c c\u1ea5u tr\u00fac l\u1ed3ng gh\u00e9p tu\u00e2n theo c\u00f9ng c\u00e1c quy t\u1eafc nh\u01b0 cha m\u1eb9.<\/li>\n
                  • Ph\u1ea1m vi:<\/strong>R\u00f5 r\u00e0ng \u0111\u1ecbnh ngh\u0129a s\u01a1 \u0111\u1ed3 n\u00e0o th\u1ec3 hi\u1ec7n c\u1ea5p \u0111\u1ed9 l\u1ed3ng gh\u00e9p n\u00e0o.<\/li>\n<\/ul>\n

                    Vi\u1ec7c l\u1ed3ng gh\u00e9p r\u1ea5t m\u1ea1nh m\u1ebd nh\u01b0ng c\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng. Th\u01b0\u1eddng t\u1ed1t h\u01a1n l\u00e0 t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 ri\u00eang bi\u1ec7t cho c\u00e1c c\u1ea5u tr\u00fac l\u1ed3ng gh\u00e9p s\u00e2u thay v\u00ec l\u00e0m r\u1ed1i m\u1eaft m\u1ed9t c\u00e1i nh\u00ecn duy nh\u1ea5t. Tuy nhi\u00ean, khi c\u1ea7n thi\u1ebft, ph\u1ea7n t\u1eed c\u1ea5u tr\u00fac b\u00ean trong ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n th\u1ee9 t\u1ef1 bao h\u00e0m.<\/p>\n

                    9. R\u00e0ng bu\u1ed9c (\u0110i\u1ec1u ki\u1ec7n ti\u1ec1n\/d\u1ef1) \u2696\ufe0f<\/h3>\n

                    C\u00e1c r\u00e0ng bu\u1ed9c \u0111\u1ecbnh ngh\u0129a c\u00e1c quy t\u1eafc \u0111i\u1ec1u khi\u1ec3n h\u00e0nh vi ho\u1eb7c c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed. Trong UML, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng Ng\u00f4n ng\u1eef R\u00e0ng bu\u1ed9c \u0110\u1ed1i t\u01b0\u1ee3ng (OCL) ho\u1eb7c ghi ch\u00fa b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean.<\/p>\n

                      \n
                    • T\u00ednh h\u1ee3p l\u1ec7:<\/strong>C\u00e1c quy t\u1eafc ph\u1ea3i \u0111\u00fang \u0111\u1ec3 s\u01a1 \u0111\u1ed3 h\u1ee3p l\u1ec7.<\/li>\n
                    • H\u00e0nh vi:<\/strong>C\u00e1c quy t\u1eafc m\u00f4 t\u1ea3 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n
                    • V\u1ecb tr\u00ed:<\/strong>C\u00e1c r\u00e0ng bu\u1ed9c n\u00ean \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o ph\u1ea7n t\u1eed li\u00ean quan.<\/li>\n<\/ul>\n

                      C\u00e1c r\u00e0ng bu\u1ed9c ng\u0103n ch\u1eb7n c\u00e1c c\u1ea5u h\u00ecnh kh\u00f4ng h\u1ee3p l\u1ec7. V\u00ed d\u1ee5, m\u1ed9t r\u00e0ng bu\u1ed9c c\u00f3 th\u1ec3 n\u00eau r\u1eb1ng m\u1ed9t ph\u1ea7n c\u1ee5 th\u1ec3 lu\u00f4n ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n kh\u00f4ng. Vi\u1ec7c bao g\u1ed3m c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 kh\u00f4ng ch\u1ec9 ghi l\u1ea1i c\u1ea5u tr\u00fac, m\u00e0 c\u00f2n logic \u0111i\u1ec1u khi\u1ec3n c\u1ea5u tr\u00fac \u0111\u00f3.<\/p>\n

                      10. Thu\u1ed9c t\u00ednh (Thu\u1ed9c t\u00ednh) \ud83d\udcdd<\/h3>\n

                      C\u00e1c thu\u1ed9c t\u00ednh l\u00e0 c\u00e1c thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i ho\u1eb7c c\u00e1c ph\u1ea7n c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong S\u01a1 \u0111\u1ed3 L\u1edbp, ch\u00fang c\u00f3 li\u00ean quan \u1edf \u0111\u00e2y \u0111\u1ec3 th\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e1c ph\u1ea7n b\u00ean trong.<\/p>\n

                        \n
                      • Ki\u1ec3u d\u1eef li\u1ec7u:<\/strong>X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong thu\u1ed9c t\u00ednh.<\/li>\n
                      • Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh:<\/strong>Ch\u1ec9 ra li\u1ec7u m\u1ed9t thu\u1ed9c t\u00ednh c\u00f3 \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o m\u1eb7c \u0111\u1ecbnh hay kh\u00f4ng.<\/li>\n
                      • Truy c\u1eadp \u0111\u1ecdc\/ghi:<\/strong>X\u00e1c \u0111\u1ecbnh li\u1ec7u thu\u1ed9c t\u00ednh c\u00f3 th\u1ec3 thay \u0111\u1ed5i hay h\u1eb1ng s\u1ed1.<\/li>\n<\/ul>\n

                        C\u00e1c thu\u1ed9c t\u00ednh cung c\u1ea5p b\u1ed1i c\u1ea3nh cho tr\u1ea1ng th\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng. Bi\u1ebft r\u1eb1ng m\u1ed9t ph\u1ea7n c\u00f3 thu\u1ed9c t\u00ednh nh\u01b0 Nhi\u1ec7t \u0111\u1ed9<\/em> ho\u1eb7c Tr\u1ea1ng th\u00e1i<\/em>gi\u00fap hi\u1ec3u c\u00e1ch ph\u1ea7n \u0111\u00f3 \u0111\u00f3ng g\u00f3p v\u00e0o h\u00e0nh vi t\u1ed5ng th\u1ec3. \u0110\u1ea3m b\u1ea3o c\u00e1c thu\u1ed9c t\u00ednh nh\u1ea5t qu\u00e1n v\u1edbi \u0111\u1ecbnh ngh\u0129a giao di\u1ec7n.<\/p>\n

                        B\u1ea3ng x\u00e1c minh cho c\u00e1c nh\u00e0 ph\u00e2n t\u00edch \ud83d\udcca<\/h2>\n

                        S\u1eed d\u1ee5ng b\u1ea3ng sau \u0111\u1ec3 xem x\u00e9t s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t. Danh s\u00e1ch ki\u1ec3m tra n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 10 th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 x\u00e1c minh \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                        Th\u00e0nh ph\u1ea7n<\/th>\nM\u1ee5c ki\u1ec3m tra<\/th>\nTi\u00eau ch\u00ed x\u00e1c minh<\/th>\n<\/tr>\n<\/thead>\n
                        Ph\u00e2n lo\u1ea1i vi\u00ean<\/td>\nLi\u1ec7u ph\u00e2n lo\u1ea1i vi\u00ean ch\u00ednh c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean kh\u00f4ng?<\/td>\nT\u00ean l\u00e0 duy nh\u1ea5t v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng.<\/td>\n<\/tr>\n
                        Ph\u1ea7n<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n n\u1ed9i b\u1ed9 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a kh\u00f4ng?<\/td>\nM\u1ecdi th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd ho\u1eb7c logic \u0111\u1ec1u \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea.<\/td>\n<\/tr>\n
                        C\u1ed5ng<\/td>\nC\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c c\u00f3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh kh\u00f4ng?<\/td>\nC\u00e1c giao di\u1ec7n cung c\u1ea5p v\u00e0 y\u00eau c\u1ea7u \u0111\u1ec1u hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng.<\/td>\n<\/tr>\n
                        K\u1ebft n\u1ed1i<\/td>\nC\u00e1c li\u00ean k\u1ebft n\u1ed9i b\u1ed9 c\u00f3 \u0111\u01b0\u1ee3c v\u1ebd kh\u00f4ng?<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i c\u1ea7n thi\u1ebft gi\u1eefa c\u00e1c ph\u1ea7n \u0111\u1ec1u t\u1ed3n t\u1ea1i.<\/td>\n<\/tr>\n
                        Vai tr\u00f2<\/td>\nC\u00e1c giao di\u1ec7n c\u00f3 \u0111\u01b0\u1ee3c tri\u1ec3n khai kh\u00f4ng?<\/td>\nC\u00e1c ph\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c vai tr\u00f2 c\u1ee5 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi giao di\u1ec7n c\u1ee7a ch\u00fang.<\/td>\n<\/tr>\n
                        K\u1ebft n\u1ed1i l\u1eafp r\u00e1p<\/td>\nC\u00e1c ph\u1ee5 thu\u1ed9c c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i kh\u00f4ng?<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c giao di\u1ec7n y\u00eau c\u1ea7u \u0111\u1ec1u c\u00f3 c\u00e1c kh\u1edbp cung c\u1ea5p t\u01b0\u01a1ng \u1ee9ng.<\/td>\n<\/tr>\n
                        K\u1ebft n\u1ed1i \u1ee7y quy\u1ec1n<\/td>\nVi\u1ec7c \u1ee7y quy\u1ec1n c\u00f3 \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 kh\u00f4ng?<\/td>\nC\u00e1c l\u1eddi g\u1ecdi b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn c\u00e1c ph\u1ea7n n\u1ed9i b\u1ed9.<\/td>\n<\/tr>\n
                        C\u1ea5u tr\u00fac n\u1ed9i b\u1ed9<\/td>\nVi\u1ec7c l\u1ed3ng gh\u00e9p c\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd kh\u00f4ng?<\/td>\nC\u00e1c c\u1ea5p \u0111\u1ed9 s\u00e2u \u0111\u01b0\u1ee3c chia t\u00e1ch ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng.<\/td>\n<\/tr>\n
                        R\u00e0ng bu\u1ed9c<\/td>\nC\u00e1c quy t\u1eafc c\u00f3 \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a kh\u00f4ng?<\/td>\nLogic kinh doanh \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan.<\/td>\n<\/tr>\n
                        Thu\u1ed9c t\u00ednh<\/td>\nC\u00e1c thu\u1ed9c t\u00ednh c\u00f3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea kh\u00f4ng?<\/td>\nKi\u1ec3u d\u1eef li\u1ec7u tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh cho c\u00e1c ph\u1ea7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                        T\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c \ud83d\udd04<\/h2>\n

                        S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 sinh th\u00e1i l\u1edbn h\u01a1n g\u1ed3m c\u00e1c t\u00e0i li\u1ec7u m\u00f4 h\u00ecnh h\u00f3a. \u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ch l\u1ea1c.<\/p>\n

                        M\u1ed1i quan h\u1ec7 v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n

                        S\u01a1 \u0111\u1ed3 l\u1edbp th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng \u1edf c\u1ea5p \u0111\u1ed9 cao. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u0111i s\u00e2u h\u01a1n v\u00e0o vi\u1ec7c k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c l\u1edbp c\u1ee5 th\u1ec3. C\u00e1c ph\u1ea7n trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ph\u1ea3i t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u1ed1i li\u00ean k\u1ebft ho\u1eb7c t\u00edch h\u1ee3p trong s\u01a1 \u0111\u1ed3 l\u1edbp. N\u1ebfu s\u01a1 \u0111\u1ed3 l\u1edbp th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 k\u1ebft h\u1ee3p, th\u00ec s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ph\u1ea3i minh h\u1ecda b\u1ed1 c\u1ee5c b\u00ean trong c\u1ee7a m\u1ed1i quan h\u1ec7 \u0111\u00f3.<\/p>\n

                        M\u1ed1i quan h\u1ec7 v\u1edbi s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/h3>\n

                        S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 th\u1ec3 hi\u1ec7n lu\u1ed3ng \u0111\u1ed9ng c\u1ee7a c\u00e1c tin nh\u1eafn. C\u00e1c c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c giao ti\u1ebfp tin nh\u1eafn trong s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1. N\u1ebfu s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 th\u1ec3 hi\u1ec7n m\u1ed9t tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u1ed9t c\u1ed5ng, th\u00ec c\u1ed5ng \u0111\u00f3 ph\u1ea3i t\u1ed3n t\u1ea1i trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p. S\u1ef1 ph\u00f9 h\u1ee3p n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea5u tr\u00fac t\u0129nh h\u1ed7 tr\u1ee3 h\u00e0nh vi \u0111\u1ed9ng.<\/p>\n

                        M\u1ed1i quan h\u1ec7 v\u1edbi s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n<\/h3>\n

                        S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n t\u1eadp trung v\u00e0o tri\u1ec3n khai v\u00e0 c\u00e1c module c\u1ea5p cao. S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chi ti\u1ebft c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n duy nh\u1ea5t t\u1eeb s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u00e1nh x\u1ea1 ng\u01b0\u1ee3c l\u1ea1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf c\u1ea5p \u0111\u1ed9 cao h\u01a1n.<\/p>\n

                        L\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 nh\u1eefng \u0111i\u1ec3m nguy hi\u1ec3m \u26a0\ufe0f<\/h2>\n

                        Ngay c\u1ea3 khi c\u00f3 danh s\u00e1ch ki\u1ec3m tra, l\u1ed7i v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec3m nguy hi\u1ec3m ph\u1ed5 bi\u1ebfn s\u1ebd gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c ch\u00fang.<\/p>\n

                          \n
                        • Qu\u00e1 ph\u1ee9c t\u1ea1p:<\/strong> C\u1ed1 g\u1eafng th\u1ec3 hi\u1ec7n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng trong m\u1ed9t s\u01a1 \u0111\u1ed3. Gi\u1eef ph\u1ea1m vi t\u1eadp trung v\u00e0o m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i duy nh\u1ea5t.<\/li>\n
                        • Thi\u1ebfu b\u1ed9i s\u1ed1:<\/strong> Qu\u00ean ch\u1ec9 r\u00f5 c\u00f3 bao nhi\u00eau ph\u1ea7n t\u1ed3n t\u1ea1i. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 m\u01a1 h\u1ed3 trong l\u1eadp k\u1ebf ho\u1ea1ch ngu\u1ed3n l\u1ef1c.<\/li>\n
                        • Giao di\u1ec7n kh\u00f4ng r\u00f5 r\u00e0ng:<\/strong> S\u1eed d\u1ee5ng t\u00ean chung cho c\u00e1c c\u1ed5ng thay v\u00ec t\u00ean giao di\u1ec7n c\u1ee5 th\u1ec3.<\/li>\n
                        • C\u00e1c ph\u1ea7n kh\u00f4ng k\u1ebft n\u1ed1i:<\/strong> C\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 c\u1ed5ng hay ph\u1ea7n n\u00e0o kh\u00e1c. \u0110\u00e2y l\u00e0 c\u00e1c ph\u1ea7n b\u1ecb t\u00e1ch r\u1eddi.<\/li>\n
                        • K\u00fd hi\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n:<\/strong> Tr\u1ed9n l\u1eabn c\u00e1c k\u00fd hi\u1ec7u ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng UML kh\u00e1c nhau trong c\u00f9ng m\u1ed9t s\u01a1 \u0111\u1ed3.<\/li>\n<\/ul>\n

                          Duy tr\u00ec s\u01a1 \u0111\u1ed3 \ud83d\udee0\ufe0f<\/h2>\n

                          M\u1ed9t khi s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o ra, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec. H\u1ec7 th\u1ed1ng thay \u0111\u1ed5i, v\u00e0 s\u01a1 \u0111\u1ed3 ph\u1ea3i thay \u0111\u1ed5i theo c\u00f9ng h\u1ec7 th\u1ed1ng.<\/p>\n

                            \n
                          • Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong> L\u01b0u s\u01a1 \u0111\u1ed3 c\u00f9ng v\u1edbi m\u00e3 ngu\u1ed3n ho\u1eb7c t\u00e0i li\u1ec7u y\u00eau c\u1ea7u.<\/li>\n
                          • V\u00f2ng ki\u1ec3m tra:<\/strong>L\u00ean l\u1ecbch ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 ph\u00f9 h\u1ee3p v\u1edbi tri\u1ec3n khai hi\u1ec7n t\u1ea1i.<\/li>\n
                          • Qu\u1ea3n l\u00fd thay \u0111\u1ed5i:<\/strong>Khi m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c th\u00eam ho\u1eb7c lo\u1ea1i b\u1ecf, c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 ngay l\u1eadp t\u1ee9c.<\/li>\n
                          • T\u00e0i li\u1ec7u:<\/strong>Bao g\u1ed3m ghi ch\u00fa gi\u1ea3i th\u00edch c\u00e1c k\u1ebft n\u1ed1i ph\u1ee9c t\u1ea1p ho\u1eb7c quy t\u1eafc kinh doanh.<\/li>\n<\/ul>\n

                            Duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c quan tr\u1ecdng h\u01a1n vi\u1ec7c t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 ho\u00e0n h\u1ea3o m\u1ed9t l\u1ea7n. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed7i th\u1eddi c\u00f2n t\u1ec7 h\u01a1n c\u1ea3 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u00e0o. Vi\u1ec7c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 h\u1eefu \u00edch cho ph\u00e2n t\u00edch v\u00e0 giao ti\u1ebfp.<\/p>\n

                            Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 ph\u00e2n t\u00edch c\u1ea5u tr\u00fac \ud83e\udde0<\/h2>\n

                            T\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn chi ti\u1ebft v\u00e0 hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 logic n\u1ed9i b\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch bao g\u1ed3m 10 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c v\u1ec1 c\u1ea5u th\u00e0nh c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i. S\u1ef1 r\u00f5 r\u00e0ng n\u00e0y mang l\u1ea1i l\u1ee3i \u00edch cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, ng\u01b0\u1eddi ki\u1ec3m th\u1eed v\u00e0 c\u00e1c b\u00ean li\u00ean quan.<\/p>\n

                            H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ebd m\u1ed9t b\u1ee9c tranh, m\u00e0 c\u00f2n l\u00e0 truy\u1ec1n \u0111\u1ea1t ki\u1ebfn tr\u00fac m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. M\u1ed7i y\u1ebfu t\u1ed1 \u0111\u1ec1u c\u00f3 m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi, t\u01b0\u01a1ng t\u00e1c v\u00e0 ph\u1ee5 thu\u1ed9c c\u1ee7a h\u1ec7 th\u1ed1ng. Khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 m\u1eb7t v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a ch\u00ednh x\u00e1c, s\u01a1 \u0111\u1ed3 tr\u1edf th\u00e0nh t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u00e1ng tin c\u1eady cho v\u00f2ng \u0111\u1eddi ph\u1ea7n m\u1ec1m. T\u1eadp trung v\u00e0o t\u00ednh nh\u1ea5t qu\u00e1n, s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 \u0111\u1ed9 \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ph\u00e2n t\u00edch cao nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

                            Hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m n\u00e0o v\u1eefng ch\u1eafc. Khi v\u01b0\u1ee3t…<\/p>\n","protected":false},"author":1,"featured_media":1715,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Danh s\u00e1ch ki\u1ec3m tra S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh: 10 Y\u1ebfu t\u1ed1 B\u1eaft bu\u1ed9c \ud83d\udccb","_yoast_wpseo_metadesc":"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 danh s\u00e1ch ki\u1ec3m tra S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh. 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