{"id":65,"date":"2026-04-11T08:35:13","date_gmt":"2026-04-11T08:35:13","guid":{"rendered":"https:\/\/www.hi-posts.com\/vn\/object-oriented-analysis-design-roadmap-junior-engineers\/"},"modified":"2026-04-11T08:35:13","modified_gmt":"2026-04-11T08:35:13","slug":"object-oriented-analysis-design-roadmap-junior-engineers","status":"publish","type":"post","link":"https:\/\/www.hi-posts.com\/vn\/object-oriented-analysis-design-roadmap-junior-engineers\/","title":{"rendered":"B\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: M\u1ed9t k\u1ebf ho\u1ea1ch chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb \u0111\u1ec3 n\u00e2ng cao k\u1ef9 n\u0103ng c\u1ee7a h\u1ecd"},"content":{"rendered":"

B\u01b0\u1edbc v\u00e0o l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng c\u1ea3m gi\u00e1c nh\u01b0 \u0111\u1ee9ng \u1edf ch\u00e2n m\u1ed9t ng\u1ecdn n\u00fai kh\u1ed5ng l\u1ed3. \u0110\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p, t\u1eeb v\u1ef1ng d\u00e0y \u0111\u1eb7c, v\u00e0 con \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn th\u00e0nh th\u1ea1o hi\u1ebfm khi l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb, s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb vi\u1ebft c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u01a1n l\u1ebb sang thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u00e0 m\u1ed9t m\u1ed1c quan tr\u1ecdng. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 k\u1ef7 lu\u1eadt \u0111\u1ed1i v\u1edbiPh\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD)<\/strong>. OOAD kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c s\u01a1 \u0111\u1ed3; \u0111\u00f3 l\u00e0 m\u1ed9t khung t\u01b0 duy \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y n\u00eau r\u00f5 m\u1ed9t b\u1ea3n \u0111\u1ed3 chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb. N\u00f3 t\u1eadp trung v\u00e0o c\u00e1c n\u0103ng l\u1ef1c c\u1ed1t l\u00f5i c\u1ea7n thi\u1ebft \u0111\u1ec3 chuy\u1ec3n t\u1eeb vi\u1ec7c vi\u1ebft c\u00e1c kh\u1ed1i m\u00e3 t\u00e1ch bi\u1ec7t sang ki\u1ebfn tr\u00fac h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec, m\u1edf r\u1ed9ng. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 lu\u1ed3ng t\u1eeb ph\u00e2n t\u00edch \u0111\u1ebfn thi\u1ebft k\u1ebf, b\u1ea1n s\u1ebd x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n ngh\u1ec1 nghi\u1ec7p l\u00e2u d\u00e0i.<\/p>\n

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

\ud83e\udde0 Giai \u0111o\u1ea1n 1: C\u1ee7ng c\u1ed1 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a L\u1eadp tr\u00ecnh H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h2>\n

Tr\u01b0\u1edbc khi nh\u1ea3y v\u00e0o ki\u1ebfn tr\u00fac c\u1ea5p cao, m\u1ed9t ng\u01b0\u1eddi ph\u1ea3i th\u00e0nh th\u1ea1o c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n c\u1ee7a l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. Ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf s\u1ebd v\u00f4 \u00edch n\u1ebfu c\u00e1c c\u1ea5u tr\u00fac n\u1ec1n t\u1ea3ng y\u1ebfu. Giai \u0111o\u1ea1n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c th\u1ea5m nhu\u1ea7n c\u00e1c nguy\u00ean t\u1eafc \u0111i\u1ec1u khi\u1ec3n c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n

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  • Bao \u0111\u00f3ng:<\/strong> Hi\u1ec3u c\u00e1ch k\u1ebft h\u1ee3p d\u1eef li\u1ec7u v\u00e0 ph\u01b0\u01a1ng th\u1ee9c l\u1ea1i v\u1edbi nhau trong khi h\u1ea1n ch\u1ebf truy c\u1eadp v\u00e0o chi ti\u1ebft n\u1ed9i b\u1ed9. \u0110i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n tr\u1ea1ng th\u00e1i v\u00e0 gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau.<\/li>\n
  • K\u1ebf th\u1eeba:<\/strong> S\u1eed d\u1ee5ng c\u00e1c l\u1edbp c\u01a1 s\u1edf \u0111\u1ec3 chia s\u1ebb h\u00e0nh vi. Tuy nhi\u00ean, c\u1ea7n th\u1eadn tr\u1ecdng \u0111\u1ec3 tr\u00e1nh c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba s\u00e2u khi\u1ebfn h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean d\u1ec5 g\u00e3y.<\/li>\n
  • \u0110a h\u00ecnh:<\/strong> Kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau ph\u1ea3n h\u1ed3i c\u00f9ng m\u1ed9t th\u00f4ng \u0111i\u1ec7p theo nh\u1eefng c\u00e1ch kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p t\u1ea1o ra c\u00e1c giao di\u1ec7n linh ho\u1ea1t v\u00e0 ki\u1ec3m th\u1eed d\u1ec5 d\u00e0ng h\u01a1n.<\/li>\n
  • Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a:<\/strong> Gi\u1ea5u \u0111i c\u00e1c chi ti\u1ebft tri\u1ec3n khai ph\u1ee9c t\u1ea1p v\u00e0 ch\u1ec9 hi\u1ec3n th\u1ecb nh\u1eefng t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n

    C\u00e1c k\u1ef9 s\u01b0 tr\u1ebb th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefak\u1ebf th\u1eeba<\/em>v\u00e0t\u1ed5 h\u1ee3p<\/em>. M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 t\u1ea1o ra c\u00e1c c\u00e2y k\u1ebf th\u1eeba s\u00e2u. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1eefng ch\u1eafc \u01b0u ti\u00ean t\u1ed5 h\u1ee3p, n\u01a1i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ee9a c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a c\u00e1c l\u1edbp kh\u00e1c \u0111\u1ec3 x\u00e2y d\u1ef1ng ch\u1ee9c n\u0103ng. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y tu\u00e2n theo nguy\u00ean t\u1eafc\u201c\u01b0u ti\u00ean t\u1ed5 h\u1ee3p h\u01a1n l\u00e0 k\u1ebf th\u1eeba\u201d<\/strong>nguy\u00ean t\u1eafc, d\u1eabn \u0111\u1ebfn m\u00e3 ngu\u1ed3n linh ho\u1ea1t h\u01a1n.<\/p>\n

    \ud83d\udcd0 Giai \u0111o\u1ea1n 2: N\u1eafm v\u1eefng Giai \u0111o\u1ea1n Ph\u00e2n t\u00edch<\/h2>\n

    Ph\u00e2n t\u00edch l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 tri\u1ec3n khai k\u1ef9 thu\u1eadt. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi:\u201cH\u1ec7 th\u1ed1ng ph\u1ea3i l\u00e0m g\u00ec?\u201d<\/em>thay v\u00ec\u201cCh\u00fang ta s\u1ebd x\u00e2y d\u1ef1ng n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?\u201d<\/em>. B\u1ecf qua b\u01b0\u1edbc n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn ph\u1ea3i l\u00e0m l\u1ea1i sau n\u00e0y. Ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi t\u00e0i li\u1ec7u h\u00f3a nghi\u00eam ng\u1eb7t v\u00e0 giao ti\u1ebfp r\u00f5 r\u00e0ng.<\/p>\n

    \ud83d\udd0d Thu th\u1eadp Y\u00eau c\u1ea7u<\/h3>\n

    B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean bao g\u1ed3m vi\u1ec7c hi\u1ec3u r\u00f5 kh\u00f4ng gian v\u1ea5n \u0111\u1ec1. B\u1ea1n ph\u1ea3i tham gia v\u1edbi c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng v\u00e0 phi ch\u1ee9c n\u0103ng.<\/p>\n

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    • Y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng:<\/strong> C\u00e1c h\u00e0nh vi c\u1ee5 th\u1ec3 m\u00e0 h\u1ec7 th\u1ed1ng ph\u1ea3i th\u1ec3 hi\u1ec7n (v\u00ed d\u1ee5: \u201cNg\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u c\u1ee7a h\u1ecd\u201d).<\/li>\n
    • Y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng:<\/strong> C\u00e1c r\u00e0ng bu\u1ed9c nh\u01b0 hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng (v\u00ed d\u1ee5: \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i x\u1eed l\u00fd \u0111\u01b0\u1ee3c 1000 y\u00eau c\u1ea7u m\u1ed7i gi\u00e2y\u201d).<\/li>\n<\/ul>\n

      \ud83d\udcdd T\u1ea1o c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n

      C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c t\u00e1c nh\u00e2n kh\u00e1c nhau t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. Ch\u00fang gi\u00fap h\u00ecnh dung lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng.<\/p>\n

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      • T\u00e1c nh\u00e2n:<\/strong>Ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u00e1c v\u1edbi ph\u1ea7n m\u1ec1m.<\/li>\n
      • C\u00e1c t\u00ecnh hu\u1ed1ng:<\/strong>C\u00e1c h\u00e0nh tr\u00ecnh c\u1ee5 th\u1ec3 trong h\u1ec7 th\u1ed1ng, bao g\u1ed3m lu\u1ed3ng b\u00ecnh th\u01b0\u1eddng v\u00e0 lu\u1ed3ng ngo\u1ea1i l\u1ec7.<\/li>\n<\/ul>\n

        Khi t\u00e0i li\u1ec7u h\u00f3a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y t\u1eadp trung v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng. Tr\u00e1nh d\u00f9ng thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch ban \u0111\u1ea7u. M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u \u0111\u1ed3ng \u00fd v\u1ec1 ph\u1ea1m vi tr\u01b0\u1edbc khi vi\u1ebft m\u00e3.<\/p>\n

        \ud83d\udee0\ufe0f Giai \u0111o\u1ea1n 3: Chuy\u1ec3n sang thi\u1ebft k\u1ebf<\/h2>\n

        Khi c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 r\u00f5 r\u00e0ng, giai \u0111o\u1ea1n thi\u1ebft k\u1ebf s\u1ebd b\u1eaft \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi\u201cH\u1ec7 th\u1ed1ng s\u1ebd l\u00e0m nh\u01b0 th\u1ebf n\u00e0o?\u201d<\/em>. Thi\u1ebft k\u1ebf chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac c\u1ee5 th\u1ec3. \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/p>\n

        \ud83c\udfa8 Tr\u1ef1c quan h\u00f3a b\u1eb1ng UML<\/h3>\n

        Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) l\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ec3 tr\u1ef1c quan h\u00f3a thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. D\u00f9 b\u1ea1n kh\u00f4ng c\u1ea7n v\u1ebd m\u1ecdi s\u01a1 \u0111\u1ed3, nh\u01b0ng vi\u1ec7c bi\u1ebft khi n\u00e0o s\u1eed d\u1ee5ng ch\u00fang l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

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        • S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong> Hi\u1ec3n th\u1ecb c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng, bao g\u1ed3m thu\u1ed9c t\u00ednh, ph\u01b0\u01a1ng th\u1ee9c v\u00e0 m\u1ed1i quan h\u1ec7.<\/li>\n
        • S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1:<\/strong> Minh h\u1ecda c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3.<\/li>\n
        • S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i:<\/strong> Mi\u00eau t\u1ea3 c\u00e1ch m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n.<\/li>\n<\/ul>\n

          \u2699\ufe0f \u00c1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc SOLID<\/h3>\n

          Thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi tu\u00e2n th\u1ee7 n\u0103m nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 SOLID. Nh\u1eefng h\u01b0\u1edbng d\u1eabn n\u00e0y gi\u00fap ng\u0103n m\u00e3 ngu\u1ed3n tr\u1edf n\u00ean c\u1ee9ng nh\u1eafc v\u00e0 kh\u00f3 thay \u0111\u1ed5i.<\/p>\n

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          1. Nguy\u00ean t\u1eafc tr\u00e1ch nhi\u1ec7m \u0111\u01a1n nh\u1ea5t (SRP):<\/strong> M\u1ed9t l\u1edbp ch\u1ec9 n\u00ean c\u00f3 m\u1ed9t l\u00fd do \u0111\u1ec3 thay \u0111\u1ed5i. Gi\u1eef c\u00e1c v\u1ea5n \u0111\u1ec1 ri\u00eang bi\u1ec7t.<\/li>\n
          2. Nguy\u00ean t\u1eafc M\u1edf\/\u0110\u00f3ng (OCP):<\/strong>C\u00e1c th\u1ef1c th\u1ec3 ph\u1ea7n m\u1ec1m n\u00ean \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng nh\u01b0ng \u0111\u00f3ng \u0111\u1ed1i v\u1edbi thay \u0111\u1ed5i.<\/li>\n
          3. Nguy\u00ean t\u1eafc thay th\u1ebf Liskov (LSP):<\/strong>C\u00e1c ki\u1ec3u con ph\u1ea3i c\u00f3 th\u1ec3 thay th\u1ebf cho ki\u1ec3u c\u01a1 s\u1edf m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i t\u00ednh \u0111\u00fang \u0111\u1eafn.<\/li>\n
          4. Nguy\u00ean t\u1eafc t\u00e1ch giao di\u1ec7n (ISP):<\/strong>Kh\u00e1ch h\u00e0ng kh\u00f4ng n\u00ean b\u1ecb bu\u1ed9c ph\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c giao di\u1ec7n m\u00e0 ch\u00fang kh\u00f4ng s\u1eed d\u1ee5ng.<\/li>\n
          5. Nguy\u00ean t\u1eafc \u0111\u1ea3o ng\u01b0\u1ee3c ph\u1ee5 thu\u1ed9c (DIP):<\/strong>C\u00e1c module c\u1ea5p cao kh\u00f4ng n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c module c\u1ea5p th\u1ea5p. C\u1ea3 hai \u0111\u1ec1u n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1eebu t\u01b0\u1ee3ng.<\/li>\n<\/ol>\n

            Vi ph\u1ea1m c\u00e1c nguy\u00ean t\u1eafc n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00e1c ‘\u0111\u1ed1i t\u01b0\u1ee3ng Th\u1ea7n’ c\u1ed1 g\u1eafng l\u00e0m m\u1ecdi th\u1ee9. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 SOLID, b\u1ea1n s\u1ebd t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n module c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ed9c l\u1eadp.<\/p>\n

            \ud83d\udcca B\u1ea3ng ti\u1ebfn tri\u1ec3n k\u1ef9 n\u0103ng chi\u1ebfn l\u01b0\u1ee3c<\/h2>\n

            \u0110\u1ec3 theo d\u00f5i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n nh\u01b0 m\u1ed9t k\u1ef9 s\u01b0 c\u1ea5p th\u1ea5p, h\u00e3y s\u1eed d\u1ee5ng b\u1ea3ng n\u00e0y \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 tr\u00ecnh \u0111\u1ed9 hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n trong OOAD. \u0110\u00e1nh gi\u00e1 b\u1ea3n th\u00e2n th\u01b0\u1eddng xuy\u00ean \u0111\u1ea3m b\u1ea3o b\u1ea1n \u0111ang ti\u1ebfn b\u1ed9 m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n\n\n\n\n\n
            C\u1ea5p \u0111\u1ed9<\/th>\nV\u00f9ng t\u1eadp trung<\/th>\nN\u0103ng l\u1ef1c ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
            Ng\u01b0\u1eddi m\u1edbi<\/td>\nNg\u1eef ph\u00e1p v\u00e0 logic c\u01a1 b\u1ea3n<\/td>\nVi\u1ebft m\u00e3 ch\u1ee9c n\u0103ng s\u1eed d\u1ee5ng c\u00e1c l\u1edbp chu\u1ea9n.<\/td>\n<\/tr>\n
            Trung c\u1ea5p<\/td>\nM\u1eabu thi\u1ebft k\u1ebf<\/td>\nNh\u1eadn di\u1ec7n khi n\u00e0o n\u00ean \u00e1p d\u1ee5ng c\u00e1c m\u1eabu ph\u1ed5 bi\u1ebfn nh\u01b0 Factory hay Observer.<\/td>\n<\/tr>\n
            N\u00e2ng cao<\/td>\nKi\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng<\/td>\nThi\u1ebft k\u1ebf c\u00e1c c\u1ea5u tr\u00fac c\u1ea5p cao \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u m\u1edf r\u1ed9ng.<\/td>\n<\/tr>\n
            Chuy\u00ean gia<\/td>\nT\u00e1i c\u1ea5u tr\u00fac v\u00e0 T\u1ed1i \u01b0u h\u00f3a<\/td>\nC\u1ea3i thi\u1ec7n c\u00e1c c\u01a1 s\u1edf m\u00e3 hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ch\u1ee9c n\u0103ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \ud83d\udd04 Giai \u0111o\u1ea1n 4: Tinh ch\u1ec9nh v\u00e0 L\u1eb7p l\u1ea1i<\/h2>\n

            Thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m hi\u1ebfm khi l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n duy nh\u1ea5t. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh l\u1eb7p l\u1ea1i. Khi y\u00eau c\u1ea7u thay \u0111\u1ed5i ho\u1eb7c c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean m\u1edbi xu\u1ea5t hi\u1ec7n, thi\u1ebft k\u1ebf ph\u1ea3i ti\u1ebfn h\u00f3a. Giai \u0111o\u1ea1n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c duy tr\u00ec s\u1ee9c kh\u1ecfe c\u1ee7a c\u01a1 s\u1edf m\u00e3 theo th\u1eddi gian.<\/p>\n

            \ud83e\uddf9 T\u00e1i c\u1ea5u tr\u00fac<\/h3>\n

            T\u00e1i c\u1ea5u tr\u00fac l\u00e0 qu\u00e1 tr\u00ecnh c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e3 m\u00e0 kh\u00f4ng thay \u0111\u1ed5i h\u00e0nh vi b\u00ean ngo\u00e0i c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho thi\u1ebft k\u1ebf lu\u00f4n s\u1ea1ch s\u1ebd.<\/p>\n

              \n
            • Nh\u1eadn di\u1ec7n m\u00f9i h\u00f4i:<\/strong>T\u00ecm ki\u1ebfm m\u00e3 b\u1ecb tr\u00f9ng l\u1eb7p, c\u00e1c ph\u01b0\u01a1ng th\u1ee9c d\u00e0i ho\u1eb7c c\u00e1c l\u1edbp l\u1edbn.<\/li>\n
            • B\u01b0\u1edbc nh\u1ecf:<\/strong> Th\u1ef1c hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i nh\u1ecf t\u1eebng b\u01b0\u1edbc. G\u1eedi thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec l\u1ecbch s\u1eed an to\u00e0n.<\/li>\n
            • Ph\u1ea1m vi ki\u1ec3m th\u1eed:<\/strong> \u0110\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 c\u00e1c b\u00e0i ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng tr\u01b0\u1edbc khi t\u00e1i c\u1ea5u tr\u00fac m\u00e3. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 an to\u00e0n.<\/li>\n<\/ul>\n

              \ud83d\udd12 X\u1eed l\u00fd m\u00e3 ngu\u1ed3n c\u0169<\/h3>\n

              C\u00e1c k\u1ef9 s\u01b0 c\u1ea5p th\u1ea5p th\u01b0\u1eddng ph\u1ea3i ti\u1ebfp qu\u1ea3n c\u00e1c c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i. Vi\u1ec7c x\u1eed l\u00fd m\u00e3 ngu\u1ed3n c\u0169 \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u00ean nh\u1eabn v\u00e0 chi\u1ebfn l\u01b0\u1ee3c.<\/p>\n

                \n
              • Hi\u1ec3u tr\u01b0\u1edbc ti\u00ean:<\/strong>Kh\u00f4ng thay \u0111\u1ed5i m\u00e3 ngu\u1ed3n cho \u0111\u1ebfn khi b\u1ea1n hi\u1ec3u r\u00f5 n\u00f3 \u0111ang l\u00e0m g\u00ec hi\u1ec7n t\u1ea1i.<\/li>\n
              • M\u00f4 h\u00ecnh C\u00e2y B\u1ea1ch \u0111\u00e0n:<\/strong>Thay th\u1ebf d\u1ea7n d\u1ea7n c\u00e1c ch\u1ee9c n\u0103ng c\u0169 b\u1eb1ng c\u00e1c d\u1ecbch v\u1ee5 m\u1edbi thay v\u00ec vi\u1ebft l\u1ea1i to\u00e0n b\u1ed9 c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n
              • T\u00e0i li\u1ec7u h\u00f3a c\u00e1c quy\u1ebft \u0111\u1ecbnh:<\/strong>Ghi l\u1ea1i l\u00fd do v\u00ec sao nh\u1eefng th\u1ecfa hi\u1ec7p nh\u1ea5t \u0111\u1ecbnh \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 h\u1ed7 tr\u1ee3 nh\u1eefng ng\u01b0\u1eddi b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/li>\n<\/ul>\n

                \ud83e\udd1d Giai \u0111o\u1ea1n 5: Giao ti\u1ebfp v\u00e0 H\u1ee3p t\u00e1c<\/h2>\n

                K\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda ph\u01b0\u01a1ng tr\u00ecnh. M\u1ed9t k\u1ef9 s\u01b0 th\u00e0nh c\u00f4ng ph\u1ea3i giao ti\u1ebfp quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. OOAD ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 hi\u1ec3u bi\u1ebft chung gi\u1eefa c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m.<\/p>\n

                \ud83d\udde3\ufe0f \u0110\u00e1nh gi\u00e1 thi\u1ebft k\u1ebf<\/h3>\n

                Tham gia v\u00e0o c\u00e1c bu\u1ed5i \u0111\u00e1nh gi\u00e1 thi\u1ebft k\u1ebf l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho s\u1ef1 ph\u00e1t tri\u1ec3n. N\u00f3 gi\u00fap b\u1ea1n ti\u1ebfp c\u1eadn c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau v\u00e0 h\u1ed7 tr\u1ee3 b\u1ea1n ph\u00e1t hi\u1ec7n nh\u1eefng \u0111i\u1ec3m m\u00f9 trong l\u1eadp lu\u1eadn c\u1ee7a m\u00ecnh.<\/p>\n

                  \n
                • Chu\u1ea9n b\u1ecb h\u00ecnh \u1ea3nh minh h\u1ecda:<\/strong>S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c lu\u1ed3ng ph\u1ee9c t\u1ea1p trong c\u00e1c cu\u1ed9c h\u1ecdp.<\/li>\n
                • L\u1eafng nghe ch\u1ee7 \u0111\u1ed9ng:<\/strong>Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng lo l\u1eafng c\u1ee7a \u0111\u1ed3ng nghi\u1ec7p. Ph\u1ea3n h\u1ed3i l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 c\u1ea3i thi\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 tr\u00edch.<\/li>\n
                • B\u1ea3o v\u1ec7 b\u1eb1ng l\u00fd l\u1ebd:<\/strong>Khi \u0111\u1ec1 xu\u1ea5t m\u1ed9t gi\u1ea3i ph\u00e1p, h\u00e3y gi\u1ea3i th\u00edch c\u00e1c \u0111i\u1ec3m th\u1ecfa hi\u1ec7p li\u00ean quan.<\/li>\n<\/ul>\n

                  \ud83d\udcda Ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a<\/h3>\n

                  T\u00e0i li\u1ec7u h\u00f3a \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf t\u1ed3n t\u1ea1i v\u01b0\u1ee3t qua t\u00e1c gi\u1ea3 ban \u0111\u1ea7u. N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o cho vi\u1ec7c \u0111\u01b0a ng\u01b0\u1eddi m\u1edbi v\u00e0o l\u00e0m vi\u1ec7c v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n

                    \n
                  • T\u00e0i li\u1ec7u API:<\/strong>X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c tham s\u1ed1 \u0111\u1ea7u v\u00e0o, gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1 v\u00e0 m\u00e3 l\u1ed7i.<\/li>\n
                  • T\u00e0i li\u1ec7u quy\u1ebft \u0111\u1ecbnh ki\u1ebfn tr\u00fac (ADR):<\/strong>Ghi l\u1ea1i l\u00fd do v\u00ec sao m\u1ed9t c\u00f4ng ngh\u1ec7 ho\u1eb7c m\u1eabu c\u1ee5 th\u1ec3 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn.<\/li>\n
                  • T\u1ec7p README:<\/strong>Bao g\u1ed3m h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t v\u00e0 b\u1ed1i c\u1ea3nh cho d\u1ef1 \u00e1n.<\/li>\n<\/ul>\n

                    \ud83c\udfaf Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

                    D\u00f9 c\u00f3 m\u1ed9t l\u1ed9 tr\u00ecnh r\u00f5 r\u00e0ng, sai l\u1ea7m v\u1eabn x\u1ea3y ra. Nh\u1eadn di\u1ec7n s\u1edbm nh\u1eefng m\u1eabu h\u00ecnh ch\u1ed1ng l\u1ea1i ph\u1ed5 bi\u1ebfn n\u00e0y c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/p>\n\n\n\n\n\n\n\n\n
                    V\u0169ng l\u1ea7y<\/th>\nM\u00f4 t\u1ea3<\/th>\nChi\u1ebfn l\u01b0\u1ee3c s\u1eeda ch\u1eefa<\/th>\n<\/tr>\n<\/thead>\n
                    Thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c<\/td>\nX\u00e2y d\u1ef1ng c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft trong hi\u1ec7n t\u1ea1i.<\/td>\n\u00c1p d\u1ee5ng nguy\u00ean t\u1eafc YAGNI (B\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n \u0111\u1ebfn n\u00f3).<\/td>\n<\/tr>\n
                    Thi\u1ebfu thi\u1ebft k\u1ebf<\/td>\nThi\u1ebfu k\u1ebf ho\u1ea1ch cho s\u1ef1 ph\u00e1t tri\u1ec3n ho\u1eb7c thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai.<\/td>\nX\u00e1c \u0111\u1ecbnh nhu c\u1ea7u m\u1edf r\u1ed9ng ti\u1ec1m n\u0103ng t\u1eeb s\u1edbm.<\/td>\n<\/tr>\n
                    Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd<\/td>\nC\u00e1c l\u1edbp ph\u1ee5 thu\u1ed9c qu\u00e1 nhi\u1ec1u v\u00e0o nhau.<\/td>\nS\u1eed d\u1ee5ng giao di\u1ec7n v\u00e0 ch\u00e8n ph\u1ee5 thu\u1ed9c.<\/td>\n<\/tr>\n
                    L\u1edbp Th\u1ea7n<\/td>\nM\u1ed9t l\u1edbp bi\u1ebft qu\u00e1 nhi\u1ec1u ho\u1eb7c l\u00e0m qu\u00e1 nhi\u1ec1u.<\/td>\nChia nh\u1ecf ch\u1ee9c n\u0103ng th\u00e0nh c\u00e1c l\u1edbp nh\u1ecf, t\u1eadp trung h\u01a1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    \ud83d\udcc8 Chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u00e0i h\u1ea1n<\/h2>\n

                    Ti\u1ebfn b\u1ed9 trong ng\u00e0nh k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t cu\u1ed9c \u0111ua b\u1ec1n b\u1ec9, ch\u1ee9 kh\u00f4ng ph\u1ea3i cu\u1ed9c \u0111ua ng\u1eafn. H\u1ecdc t\u1eadp li\u00ean t\u1ee5c l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec t\u00ednh ph\u00f9 h\u1ee3p trong m\u1ed9t ng\u00e0nh \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng.<\/p>\n

                      \n
                    • \u0110\u1ecdc t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf:<\/strong>Nghi\u00ean c\u1ee9u s\u00e1ch v\u00e0 b\u00e0i vi\u1ebft v\u1ec1 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. Hi\u1ec3u r\u00f5 l\u1ecbch s\u1eed c\u1ee7a c\u00e1c m\u1eabu thi\u1ebft k\u1ebf.<\/li>\n
                    • Tham gia ki\u1ec3m tra m\u00e3 ngu\u1ed3n:<\/strong>Vi\u1ec7c ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a ng\u01b0\u1eddi kh\u00e1c d\u1ea1y b\u1ea1n h\u00ecnh \u1ea3nh c\u1ee7a thi\u1ebft k\u1ebf t\u1ed1t trong th\u1ef1c t\u1ebf.<\/li>\n
                    • \u0110\u00f3ng g\u00f3p v\u00e0o d\u1ef1 \u00e1n m\u00e3 ngu\u1ed3n m\u1edf:<\/strong>Vi\u1ec7c \u0111\u00f3ng g\u00f3p v\u00e0o c\u00e1c d\u1ef1 \u00e1n c\u00f4ng c\u1ed9ng gi\u00fap b\u1ea1n ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec1u phong c\u00e1ch l\u1eadp tr\u00ecnh v\u00e0 quy\u1ebft \u0111\u1ecbnh ki\u1ebfn tr\u00fac kh\u00e1c nhau.<\/li>\n
                    • H\u01b0\u1edbng d\u1eabn:<\/strong>T\u00ecm ki\u1ebfm nh\u1eefng ng\u01b0\u1eddi c\u1ed1 v\u1ea5n c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng con \u0111\u01b0\u1eddng s\u1ef1 nghi\u1ec7p c\u1ee7a b\u1ea1n. Ng\u01b0\u1ee3c l\u1ea1i, h\u00e3y c\u1ed1 v\u1ea5n cho ng\u01b0\u1eddi kh\u00e1c \u0111\u1ec3 c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c c\u1ee7a ch\u00ednh m\u00ecnh.<\/li>\n<\/ul>\n

                      \ud83c\udfc1 Nh\u1eefng suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng<\/h2>\n

                      X\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch tu\u00e2n theo l\u1ed9 tr\u00ecnh \u0111\u01b0\u1ee3c n\u00eau \u1edf tr\u00ean, c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n s\u1ef1 t\u1ef1 tin \u0111\u1ec3 \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c ph\u1ee9c t\u1ea1p.<\/p>\n

                      H\u00e3y nh\u1edb r\u1eb1ng kh\u00f4ng c\u00f3 thi\u1ebft k\u1ebf n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o m\u00e3i m\u00e3i. M\u1ee5c ti\u00eau l\u00e0 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 th\u00edch nghi v\u00e0 d\u1ec5 hi\u1ec3u. T\u1eadp trung v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec h\u01a1n l\u00e0 s\u1ef1 kh\u00e9o l\u00e9o. Khi t\u00edch l\u0169y \u0111\u01b0\u1ee3c kinh nghi\u1ec7m, b\u1ea1n s\u1ebd h\u00ecnh th\u00e0nh tr\u1ef1c gi\u00e1c v\u1ec1 vi\u1ec7c khi n\u00e0o \u00e1p d\u1ee5ng c\u00e1c m\u1eabu c\u1ee5 th\u1ec3 v\u00e0 khi n\u00e0o gi\u1eef cho m\u1ecdi th\u1ee9 \u0111\u01a1n gi\u1ea3n.<\/p>\n

                      B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1ecf. \u00c1p d\u1ee5ng nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y v\u00e0o c\u00e1c nhi\u1ec7m v\u1ee5 h\u00e0ng ng\u00e0y c\u1ee7a b\u1ea1n. Theo th\u1eddi gian, s\u1ef1 t\u00edch l\u0169y c\u1ee7a nh\u1eefng c\u1ea3i ti\u1ebfn nh\u1ecf n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n chuy\u00ean m\u00f4n \u0111\u00e1ng k\u1ec3. Con \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn chuy\u00ean gia \u0111\u01b0\u1ee3c l\u00e1t b\u1eb1ng n\u1ed7 l\u1ef1c nh\u1ea5t qu\u00e1n v\u00e0 cam k\u1ebft v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

                      Ti\u1ebfp t\u1ee5c ph\u00e2n t\u00edch, thi\u1ebft k\u1ebf v\u00e0 tinh ch\u1ec9nh. S\u1ef1 nghi\u1ec7p c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c l\u1ee3i \u00edch t\u1eeb k\u1ef7 lu\u1eadt m\u00e0 b\u1ea1n r\u00e8n luy\u1ec7n h\u00f4m nay.<\/p>\n","protected":false},"excerpt":{"rendered":"

                      B\u01b0\u1edbc v\u00e0o l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng c\u1ea3m gi\u00e1c nh\u01b0 \u0111\u1ee9ng \u1edf ch\u00e2n m\u1ed9t ng\u1ecdn n\u00fai kh\u1ed5ng l\u1ed3. \u0110\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p, t\u1eeb v\u1ef1ng d\u00e0y \u0111\u1eb7c, v\u00e0 con…<\/p>\n","protected":false},"author":1,"featured_media":66,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u00e0nh tr\u00ecnh OOAD cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb | H\u01b0\u1edbng d\u1eabn k\u1ef9 n\u0103ng","_yoast_wpseo_metadesc":"M\u1ed9t h\u00e0nh tr\u00ecnh chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb \u0111\u1ec3 th\u00e0nh th\u1ea1o Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. H\u1ecdc hi\u1ec7u qu\u1ea3 c\u00e1c nguy\u00ean t\u1eafc SOLID, UML v\u00e0 c\u00e1c m\u1eabu thi\u1ebft k\u1ebf.","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[14],"tags":[6,13],"class_list":["post-65","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-object-oriented-analysis-and-design","tag-academic","tag-object-oriented-analysis-and-design"],"yoast_head":"\nH\u00e0nh tr\u00ecnh OOAD cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb | H\u01b0\u1edbng d\u1eabn k\u1ef9 n\u0103ng<\/title>\n<meta name=\"description\" content=\"M\u1ed9t h\u00e0nh tr\u00ecnh chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb \u0111\u1ec3 th\u00e0nh th\u1ea1o Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. H\u1ecdc hi\u1ec7u qu\u1ea3 c\u00e1c nguy\u00ean t\u1eafc SOLID, UML v\u00e0 c\u00e1c m\u1eabu thi\u1ebft k\u1ebf.\" \/>\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.hi-posts.com\/vn\/object-oriented-analysis-design-roadmap-junior-engineers\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00e0nh tr\u00ecnh OOAD cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb | H\u01b0\u1edbng d\u1eabn k\u1ef9 n\u0103ng\" \/>\n<meta property=\"og:description\" content=\"M\u1ed9t h\u00e0nh tr\u00ecnh chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c k\u1ef9 s\u01b0 tr\u1ebb \u0111\u1ec3 th\u00e0nh th\u1ea1o Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. 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