{"id":91,"date":"2026-04-04T12:12:39","date_gmt":"2026-04-04T12:12:39","guid":{"rendered":"https:\/\/www.ai-diagrams.com\/vn\/practical-guide-modeling-aggregation-uml-composite-structure-diagrams\/"},"modified":"2026-04-04T12:12:39","modified_gmt":"2026-04-04T12:12:39","slug":"practical-guide-modeling-aggregation-uml-composite-structure-diagrams","status":"publish","type":"post","link":"https:\/\/www.ai-diagrams.com\/vn\/practical-guide-modeling-aggregation-uml-composite-structure-diagrams\/","title":{"rendered":"M\u1ed9t H\u01b0\u1edbng D\u1eabn Th\u1ef1c Ti\u1ec5n V\u1ec1 M\u00f4 H\u00ecnh H\u00f3a S\u1ef1 T\u1eadp H\u1ee3p Trong C\u00e1c S\u01a1 \u0110\u1ed3 C\u1ea5u Tr\u00fac H\u1ee3p Th\u00e0nh UML"},"content":{"rendered":"

Hi\u1ec3u r\u00f5 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m l\u00e0 n\u1ec1n t\u1ea3ng cho vi\u1ec7c thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac v\u1eefng ch\u1eafc. Trong s\u1ed1 c\u00e1c c\u00f4ng c\u1ee5 bi\u1ec3u \u0111\u1ed3 \u0111a d\u1ea1ng c\u00f3 s\u1eb5n trong Ng\u00f4n ng\u1eef M\u00f4 H\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML), S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh cung c\u1ea5p c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 c\u00e1c c\u1ea5u tr\u00fac b\u00ean trong. C\u1ee5 th\u1ec3, vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 t\u1eadp h\u1ee3p m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u00f2ng \u0111\u1eddi v\u00e0 quy\u1ec1n s\u1edf h\u1eefu c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c c\u01a1 ch\u1ebf c\u1ee7a s\u1ef1 t\u1eadp h\u1ee3p trong b\u1ed1i c\u1ea3nh n\u00e0y, cung c\u1ea5p c\u00e1c b\u01b0\u1edbc h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 \u0111\u1ec3 bi\u1ec3u di\u1ec5n ch\u00ednh x\u00e1c.<\/p>\n

Khi thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i m\u1ed1i quan h\u1ec7 kh\u00e1c nhau l\u00e0 \u0111i\u1ec1u then ch\u1ed1t. S\u1ef1 t\u1eadp h\u1ee3p \u0111\u1ea1i di\u1ec7n cho m\u1ed9t lo\u1ea1i li\u00ean k\u1ebft c\u1ee5 th\u1ec3, trong \u0111\u00f3 m\u1ed9t l\u1edbp gi\u1eef tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t l\u1edbp kh\u00e1c, nh\u01b0ng kh\u00f4ng c\u00f3 quy\u1ec1n s\u1edf h\u1eefu nghi\u00eam ng\u1eb7t. S\u1ef1 tinh t\u1ebf n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i v\u00e0 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb h\u1ee7y. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng k\u00fd hi\u1ec7u tr\u1ef1c quan v\u00e0 c\u00e1c h\u1ec7 qu\u1ea3 logic, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u00e1nh \u0111\u00fang h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

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

\ud83d\udd0d Hi\u1ec3u R\u00f5 V\u1ec1 S\u01a1 \u0110\u1ed3 C\u1ea5u Tr\u00fac H\u1ee3p Th\u00e0nh<\/h2>\n

S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh t\u1eadp trung v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. N\u00f3 cho th\u1ea5y c\u00e1ch m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh. Kh\u00e1c v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n, v\u1ed1n th\u1ec3 hi\u1ec7n c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp, s\u01a1 \u0111\u1ed3 n\u00e0y ph\u00f3ng to v\u00e0o b\u1ed1 c\u1ee5c b\u00ean trong. N\u00f3 l\u00e0m n\u1ed5i b\u1eadt c\u00e1c c\u1ed5ng, giao di\u1ec7n v\u00e0 c\u00e1c k\u1ebft n\u1ed1i cho ph\u00e9p t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh bao g\u1ed3m:<\/p>\n

    \n
  • C\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i:<\/strong> C\u00e1c container c\u1ea5p cao nh\u1ea5t \u0111\u1ecbnh ngh\u0129a c\u1ea5u tr\u00fac.<\/li>\n
  • C\u00e1c b\u1ed9 ph\u1eadn:<\/strong> C\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a c\u00e1c b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00e1c \u0111\u01b0\u1ee3c ch\u1ee9a b\u00ean trong b\u1ed9 ph\u00e2n lo\u1ea1i ch\u00ednh.<\/li>\n
  • C\u00e1c c\u1ed5ng:<\/strong> C\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c n\u01a1i c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i.<\/li>\n
  • C\u00e1c k\u1ebft n\u1ed1i:<\/strong> C\u00e1c li\u00ean k\u1ebft thi\u1ebft l\u1eadp c\u00e1c h\u00e0nh tr\u00ecnh truy\u1ec1n th\u00f4ng gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n<\/ul>\n

    S\u1ef1 t\u1eadp h\u1ee3p ph\u00f9 h\u1ee3p v\u1edbi khung n\u00e0y nh\u01b0 m\u1ed9t m\u1ed1i quan h\u1ec7 gi\u1eefa b\u1ed9 ph\u00e2n lo\u1ea1i h\u1ee3p th\u00e0nh v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a n\u00f3. N\u00f3 ng\u1ee5 \u00fd m\u1ed1i quan h\u1ec7 ‘to\u00e0n th\u1ec3 – b\u1ed9 ph\u1eadn’, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed1i quan h\u1ec7 lo\u1ea1i tr\u1eeb. B\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi to\u00e0n th\u1ec3.<\/p>\n

    \u2696\ufe0f \u0110\u1ecbnh Ngh\u0129a S\u1ef1 T\u1eadp H\u1ee3p So V\u1edbi S\u1ef1 K\u1ebft H\u1ee3p<\/h2>\n

    S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng x\u1ea3y ra gi\u1eefa s\u1ef1 t\u1eadp h\u1ee3p v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p. C\u1ea3 hai \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong m\u1ed9t to\u00e0n th\u1ec3, nh\u01b0ng s\u1ef1 ph\u1ee5 thu\u1ed9c v\u1ec1 v\u00f2ng \u0111\u1eddi kh\u00e1c nhau. Hi\u1ec3u r\u00f5 s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y l\u00e0 \u0111i\u1ec1u then ch\u1ed1t cho vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c.<\/p>\n

    \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a S\u1ef1 T\u1eadp H\u1ee3p<\/h3>\n
      \n
    • Quy\u1ec1n s\u1edf h\u1eefu y\u1ebfu:<\/strong> B\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u00e0 kh\u00f4ng c\u1ea7n to\u00e0n th\u1ec3.<\/li>\n
    • \u0110\u1ed9c l\u1eadp v\u1ec1 v\u00f2ng \u0111\u1eddi:<\/strong> Vi\u1ec7c h\u1ee7y b\u1ecf to\u00e0n th\u1ec3 kh\u00f4ng d\u1eabn \u0111\u1ebfn vi\u1ec7c h\u1ee7y b\u1ed9 ph\u1eadn.<\/li>\n
    • Tr\u00e1ch nhi\u1ec7m chung:<\/strong> Nhi\u1ec1u to\u00e0n th\u1ec3 c\u00f3 th\u1ec3 s\u1edf h\u1eefu c\u00f9ng m\u1ed9t th\u1ec3 hi\u1ec7n b\u1ed9 ph\u1eadn.<\/li>\n
    • K\u00fd hi\u1ec7u tr\u1ef1c quan:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh kim c\u01b0\u01a1ng r\u1ed7ng \u1edf ph\u00eda to\u00e0n th\u1ec3.<\/li>\n<\/ul>\n

      \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a S\u1ef1 K\u1ebft H\u1ee3p<\/h3>\n
        \n
      • Quy\u1ec1n s\u1edf h\u1eefu m\u1ea1nh:<\/strong> B\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3.<\/li>\n
      • Ph\u1ee5 thu\u1ed9c v\u1ec1 v\u00f2ng \u0111\u1eddi:<\/strong>Vi\u1ec7c ph\u00e1 h\u1ee7y t\u1ed5ng th\u1ec3 s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1 h\u1ee7y b\u1ed9 ph\u1eadn.<\/li>\n
      • Quy\u1ec1n s\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n:<\/strong>M\u1ed9t b\u1ed9 ph\u1eadn th\u01b0\u1eddng ch\u1ec9 thu\u1ed9c v\u1ec1 m\u1ed9t t\u1ed5ng th\u1ec3 duy nh\u1ea5t.<\/li>\n
      • K\u00fd hi\u1ec7u tr\u1ef1c quan:<\/strong>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh thoi t\u00f4 \u0111\u1ea7y \u1edf ph\u00eda t\u1ed5ng th\u1ec3.<\/li>\n<\/ul>\n

        Khi m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 t\u00edch h\u1ee3p, m\u1ee5c ti\u00eau l\u00e0 th\u1ec3 hi\u1ec7n r\u1eb1ng t\u1ed5ng th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 ph\u1eadn, nh\u01b0ng kh\u00f4ng ki\u1ec3m so\u00e1t vi\u1ec7c t\u1ea1o ra hay ph\u00e1 h\u1ee7y b\u1ed9 ph\u1eadn \u0111\u00f3. V\u00ed d\u1ee5, m\u1ed9t Ph\u00f2ng ban t\u00edch h\u1ee3p Nh\u00e2n vi\u00ean. N\u1ebfu Ph\u00f2ng ban b\u1ecb gi\u1ea3i th\u1ec3, c\u00e1c Nh\u00e2n vi\u00ean v\u1eabn t\u1ed3n t\u1ea1i nh\u01b0 nh\u1eefng c\u00e1 th\u1ec3 ri\u00eang bi\u1ec7t.<\/p>\n

        \ud83c\udfa8 Quy t\u1eafc k\u00fd hi\u1ec7u tr\u1ef1c quan trong UML<\/h2>\n

        T\u00ednh nh\u1ea5t qu\u00e1n trong k\u00fd hi\u1ec7u \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 ai \u0111\u1ecdc s\u01a1 \u0111\u1ed3 \u0111\u1ec1u hi\u1ec3u ngay \u00fd \u0111\u1ecbnh thi\u1ebft k\u1ebf. Ti\u00eau chu\u1ea9n UML cung c\u1ea5p c\u00e1c h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n s\u1ef1 t\u00edch h\u1ee3p.<\/p>\n

        1. K\u00fd hi\u1ec7u h\u00ecnh thoi<\/h3>\n

        \u0110\u1eb7t h\u00ecnh thoi r\u1ed7ng \u1edf \u0111\u1ea7u \u0111\u01b0\u1eddng n\u1ed1i li\u00ean k\u1ebft v\u1edbi l\u1edbp t\u1ed5ng th\u1ec3. \u0110i\u1ec1u n\u00e0y tr\u1ef1c quan th\u1ec3 hi\u1ec7n s\u1ef1 t\u00edch h\u1ee3p. \u0110\u1ea3m b\u1ea3o h\u00ecnh thoi kh\u00f4ng \u0111\u01b0\u1ee3c t\u00f4 \u0111\u1ea7y, v\u00ec \u0111i\u1ec1u \u0111\u00f3 s\u1ebd sai l\u1ea7m ng\u1ee5 \u00fd s\u1ef1 k\u1ebft h\u1ee3p.<\/p>\n

        2. \u0110a d\u1ea1ng<\/h3>\n

        X\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 ph\u1eadn t\u1ed3n t\u1ea1i b\u00ean trong t\u1ed5ng th\u1ec3. C\u00e1c gi\u00e1 tr\u1ecb \u0111a d\u1ea1ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

          \n
        • 0..1:<\/strong>B\u1ed9 ph\u1eadn t\u00f9y ch\u1ecdn.<\/li>\n
        • 1:<\/strong>Ch\u00ednh x\u00e1c m\u1ed9t b\u1ed9 ph\u1eadn l\u00e0 b\u1eaft bu\u1ed9c.<\/li>\n
        • 0..*:<\/strong>Cho ph\u00e9p kh\u00f4ng c\u00f3 ho\u1eb7c nhi\u1ec1u b\u1ed9 ph\u1eadn.<\/li>\n
        • 1..*:<\/strong>Y\u00eau c\u1ea7u \u00edt nh\u1ea5t m\u1ed9t b\u1ed9 ph\u1eadn.<\/li>\n<\/ul>\n

          3. T\u00ean vai tr\u00f2<\/h3>\n

          \u0110\u1eb7t nh\u00e3n \u1edf hai \u0111\u1ea7u \u0111\u01b0\u1eddng n\u1ed1i li\u00ean k\u1ebft \u0111\u1ec3 l\u00e0m r\u00f5 g\u00f3c nh\u00ecn c\u1ee7a m\u1ed1i quan h\u1ec7. \u0110\u1ea7u g\u1ea7n b\u1ed9 ph\u1eadn th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u00e1n t\u00ean vai tr\u00f2 th\u1ec3 hi\u1ec7n c\u00e1ch t\u1ed5ng th\u1ec3 nh\u00ecn nh\u1eadn b\u1ed9 ph\u1eadn.<\/p>\n

          \ud83d\udee0\ufe0f Quy tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a t\u1eebng b\u01b0\u1edbc<\/h2>\n

          X\u00e2y d\u1ef1ng m\u1ed9t s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c \u0111\u00f2i h\u1ecfi ph\u01b0\u01a1ng ph\u00e1p h\u1ec7 th\u1ed1ng. H\u00e3y tu\u00e2n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n

          B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh l\u1edbp t\u1ed5ng th\u1ec3<\/h3>\n

          B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh l\u1edbp ch\u00ednh \u0111\u00f3ng vai tr\u00f2 l\u00e0 container. \u0110\u00e2y l\u00e0 \u201cT\u1ed5ng th\u1ec3\u201d trong m\u1ed1i quan h\u1ec7. H\u00e3y c\u00e2n nh\u1eafc ph\u1ea1m vi c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t module c\u1ea5p cao hay m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 kh\u00f4ng?<\/p>\n

          B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh l\u1edbp b\u1ed9 ph\u1eadn<\/h3>\n

          X\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec t\u1ea1o n\u00ean c\u1ea5u tr\u00fac b\u00ean trong. \u0110\u00e2y l\u00e0 c\u00e1c \u201cB\u1ed9 ph\u1eadn\u201d. H\u00e3y \u0111\u1eb7t c\u00e2u h\u1ecfi li\u1ec7u c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd b\u00ean ngo\u00e0i b\u1ed1i c\u1ea3nh c\u1ee7a t\u1ed5ng th\u1ec3 hay kh\u00f4ng. N\u1ebfu c\u00f3, th\u00ec s\u1ef1 t\u00edch h\u1ee3p c\u00f3 l\u1ebd l\u00e0 m\u1ed1i quan h\u1ec7 \u0111\u00fang \u0111\u1eafn.<\/p>\n

          B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7<\/h3>\n

          V\u1ebd m\u1ed9t \u0111\u01b0\u1eddng n\u1ed1i gi\u1eefa l\u1edbp T\u1ed5ng th\u1ec3 v\u00e0 l\u1edbp B\u1ed9 ph\u1eadn. \u0110\u1eb7t h\u00ecnh thoi r\u1ed7ng \u1edf ph\u00eda l\u1edbp T\u1ed5ng th\u1ec3. \u0110i\u1ec1u n\u00e0y x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a s\u1ef1 t\u00edch h\u1ee3p.<\/p>\n

          B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh t\u00ednh \u0111a d\u1ea1ng<\/h3>\n

          Th\u00eam c\u00e1c r\u00e0ng bu\u1ed9c t\u00ednh \u0111a d\u1ea1ng v\u00e0o hai \u0111\u1ea7u c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng. \u0110i\u1ec1u n\u00e0y x\u00e1c \u0111\u1ecbnh t\u00ednh cardinality. V\u00ed d\u1ee5, m\u1ed9t Th\u01b0 vi\u1ec7n c\u00f3 th\u1ec3 c\u00f3 1..* S\u00e1ch. M\u1ed9t S\u00e1ch c\u00f3 th\u1ec3 c\u00f3 0..1 ISBN.<\/p>\n

          B\u01b0\u1edbc 5: Th\u00eam vai tr\u00f2 v\u00e0 m\u1ed1i quan h\u1ec7<\/h3>\n

          \u0110\u1eb7t nh\u00e3n cho c\u00e1c vai tr\u00f2. M\u1ed9t Ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t \u201cTh\u00e0nh ph\u1ea7n\u201d ho\u1eb7c \u201cModule\u201d trong b\u1ed1i c\u1ea3nh c\u1ee7a to\u00e0n b\u1ed9. \u0110\u1ea3m b\u1ea3o c\u00e1c t\u00ean n\u00e0y nh\u1ea5t qu\u00e1n trong t\u00e0i li\u1ec7u.<\/p>\n

          \ud83d\udd04 Qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a Ph\u1ea7n<\/h2>\n

          M\u1ed9t trong nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac l\u00e0 gi\u1ea3 \u0111\u1ecbnh s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00f2ng \u0111\u1eddi khi th\u1ef1c t\u1ebf kh\u00f4ng t\u1ed3n t\u1ea1i. Aggregation r\u00f5 r\u00e0ng t\u00e1ch r\u1eddi v\u00f2ng \u0111\u1eddi. Khi m\u00f4 h\u00ecnh h\u00f3a, h\u00e3y c\u00e2n nh\u1eafc c\u00e1c t\u00ecnh hu\u1ed1ng sau.<\/p>\n

            \n
          • C\u00e1c th\u1ec3 hi\u1ec7n chung:<\/strong>C\u00f3 th\u1ec3 c\u00f9ng m\u1ed9t th\u1ec3 hi\u1ec7n Part \u0111\u01b0\u1ee3c truy\u1ec1n sang nhi\u1ec1u th\u1ec3 hi\u1ec7n Composite kh\u00f4ng? N\u1ebfu c\u00f3, th\u00ec aggregation l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u1ec7 duy nh\u1ea5t.<\/li>\n
          • B\u1ec1n v\u1eefng b\u00ean ngo\u00e0i:<\/strong>D\u1eef li\u1ec7u c\u1ee7a Ph\u1ea7n c\u00f3 c\u00f2n t\u1ed3n t\u1ea1i trong c\u01a1 s\u1edf d\u1eef li\u1ec7u sau khi Composite b\u1ecb x\u00f3a kh\u00f4ng? N\u1ebfu c\u00f3, h\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng c\u1ea5u th\u00e0nh.<\/li>\n
          • Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng:<\/strong>Ph\u1ea7n c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau kh\u00f4ng? Aggregation h\u1ed7 tr\u1ee3 t\u00ednh linh ho\u1ea1t n\u00e0y.<\/li>\n<\/ul>\n

            Vi\u1ec7c kh\u00f4ng t\u00f4n tr\u1ecdng s\u1ef1 \u0111\u1ed9c l\u1eadp v\u00f2ng \u0111\u1eddi c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb ho\u1eb7c d\u1eef li\u1ec7u b\u1ecb b\u1ecf r\u01a1i trong tri\u1ec3n khai th\u1ef1c t\u1ebf. S\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n tri\u1ec3n khai logic.<\/p>\n

            \ud83d\udd0c Giao di\u1ec7n v\u00e0 c\u1ed5ng<\/h2>\n

            Trong c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, t\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i th\u00f4ng qua c\u00e1c c\u1ed5ng. Aggregation kh\u00f4ng ng\u1ee5 \u00fd r\u1eb1ng Ph\u1ea7n s\u1eed d\u1ee5ng giao di\u1ec7n c\u1ee7a to\u00e0n b\u1ed9 m\u1ed9t c\u00e1ch tr\u1ef1c ti\u1ebfp, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n

              \n
            • Giao di\u1ec7n cung c\u1ea5p:<\/strong>Ph\u1ea7n c\u00f3 th\u1ec3 cung c\u1ea5p ch\u1ee9c n\u0103ng m\u00e0 Composite c\u00f4ng khai ra b\u00ean ngo\u00e0i.<\/li>\n
            • Giao di\u1ec7n y\u00eau c\u1ea7u:<\/strong>Composite c\u00f3 th\u1ec3 c\u1ea7n ch\u1ee9c n\u0103ng t\u1eeb Ph\u1ea7n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
            • C\u00e1c b\u1ed9 n\u1ed1i:<\/strong>S\u1eed d\u1ee5ng c\u00e1c b\u1ed9 n\u1ed1i \u0111\u1ec3 \u00e1nh x\u1ea1 c\u00e1c giao di\u1ec7n y\u00eau c\u1ea7u tr\u00ean Composite sang c\u00e1c giao di\u1ec7n cung c\u1ea5p tr\u00ean Ph\u1ea7n.<\/li>\n<\/ul>\n

              M\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng n\u00e0y cho ph\u00e9p thay th\u1ebf tri\u1ec3n khai. N\u1ebfu Ph\u1ea7n l\u00e0 m\u1ed9t aggregation, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng m\u1ed9t l\u1edbp kh\u00e1c tri\u1ec3n khai c\u00f9ng giao di\u1ec7n m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng logic n\u1ed9i b\u1ed9 c\u1ee7a Composite.<\/p>\n

              \ud83d\udeab Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t<\/h2>\n

              Ngay c\u1ea3 c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m khi x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac. H\u00e3y xem x\u00e9t l\u1ea1i nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn n\u00e0y \u0111\u1ec3 tr\u00e1nh ch\u00fang.<\/p>\n

              Sai l\u1ea7m 1: Nh\u1ea7m l\u1eabn gi\u1eefa Aggregation v\u00e0 Association<\/h3>\n

              T\u1ea5t c\u1ea3 c\u00e1c aggregation \u0111\u1ec1u l\u00e0 associations, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c associations \u0111\u1ec1u l\u00e0 aggregations. Aggregation ng\u1ee5 \u00fd m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac ‘thu\u1ed9c v\u1ec1’. M\u1ed9t association \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 ch\u1ec9 ngh\u0129a l\u00e0 hai l\u1edbp bi\u1ebft \u0111\u1ebfn nhau, m\u00e0 kh\u00f4ng c\u00f3 l\u1edbp n\u00e0o ch\u1ee9a l\u1edbp kia.<\/p>\n

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

              \u0110\u1eebng m\u00f4 h\u00ecnh h\u00f3a t\u1eebng m\u1ed1i quan h\u1ec7 m\u1ed9t. T\u1eadp trung v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p c\u1ea5u tr\u00fac \u0111\u1ecbnh ngh\u0129a h\u00e0nh vi c\u1ee7a l\u1edbp. Chi ti\u1ebft qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m r\u1ed1i s\u01a1 \u0111\u1ed3 v\u00e0 che khu\u1ea5t ki\u1ebfn tr\u00fac ch\u00ednh.<\/p>\n

              Sai l\u1ea7m 3: B\u1ecf qua kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng<\/h3>\n

              Aggregation ng\u1ee5 \u00fd kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng t\u1eeb To\u00e0n b\u1ed9 \u0111\u1ebfn Ph\u1ea7n. \u0110\u1ea3m b\u1ea3o m\u00e3 ngu\u1ed3n h\u1ed7 tr\u1ee3 vi\u1ec7c \u0111i t\u1eeb Composite \u0111\u1ebfn Ph\u1ea7n. N\u1ebfu \u0111i\u1ec1u h\u01b0\u1edbng ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i, s\u01a1 \u0111\u1ed3 s\u1ebd g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n

              \ud83d\udcca B\u1ea3ng so s\u00e1nh: C\u00e1c t\u00ecnh hu\u1ed1ng t\u1ed5ng h\u1ee3p<\/h2>\n

              B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1ed5ng h\u1ee3p thay v\u00ec c\u00e1c m\u1ed1i quan h\u1ec7 kh\u00e1c d\u1ef1a tr\u00ean h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n\n\n\n\n\n\n
              T\u00ecnh hu\u1ed1ng<\/th>\nLo\u1ea1i m\u1ed1i quan h\u1ec7<\/th>\nL\u00fd do<\/th>\n<\/tr>\n<\/thead>\n
              Xe c\u00f3 \u0111\u1ed9ng c\u01a1<\/td>\nTh\u00e0nh ph\u1ea7n<\/td>\n\u0110\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3 v\u1edbi xe; khi x\u00f3a xe th\u00ec c\u0169ng lo\u1ea1i b\u1ecf ng\u1eef c\u1ea3nh c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/td>\n<\/tr>\n
              Ph\u00f2ng ban c\u00f3 nh\u00e2n vi\u00ean<\/td>\nT\u1ed5ng h\u1ee3p<\/td>\nNh\u00e2n vi\u00ean t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp; h\u1ecd c\u00f3 th\u1ec3 chuy\u1ec3n sang c\u00e1c ph\u00f2ng ban kh\u00e1c.<\/td>\n<\/tr>\n
              \u0110\u1ed9i nh\u00f3m c\u00f3 th\u00e0nh vi\u00ean<\/td>\nT\u1ed5ng h\u1ee3p<\/td>\nTh\u00e0nh vi\u00ean c\u00f3 th\u1ec3 thu\u1ed9c nhi\u1ec1u \u0111\u1ed9i nh\u00f3m ho\u1eb7c r\u1eddi kh\u1ecfi \u0111\u1ed9i nh\u01b0ng v\u1eabn l\u00e0 ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n
              \u0110\u01a1n h\u00e0ng ch\u1ee9a c\u00e1c m\u1ee5c<\/td>\nT\u1ed5ng h\u1ee3p<\/td>\nC\u00e1c m\u1ee5c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ea3 l\u1ea1i kho ho\u1eb7c s\u1eed d\u1ee5ng trong c\u00e1c \u0111\u01a1n h\u00e0ng kh\u00e1c.<\/td>\n<\/tr>\n
              Nh\u00e0 c\u00f3 ph\u00f2ng<\/td>\nTh\u00e0nh ph\u1ea7n<\/td>\nC\u00e1c ph\u00f2ng th\u01b0\u1eddng kh\u00f4ng t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac ng\u00f4i nh\u00e0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \ud83e\udde9 C\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n

              \u0110\u1ec3 c\u1ee7ng c\u1ed1 hi\u1ec3u bi\u1ebft, h\u00e3y xem x\u00e9t c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 n\u01a1i t\u1ed5ng h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n

              1. Qu\u1ea3n l\u00fd ngu\u1ed3n l\u1ef1c doanh nghi\u1ec7p<\/h3>\n

              Trong c\u00e1c h\u1ec7 th\u1ed1ng ERP, m\u1ed9t D\u1ef1 \u00e1n t\u1ed5ng h\u1ee3p c\u00e1c Nhi\u1ec7m v\u1ee5. C\u00e1c Nhi\u1ec7m v\u1ee5 c\u00f3 v\u00f2ng \u0111\u1eddi ri\u00eang v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c giao l\u1ea1i. D\u1ef1 \u00e1n t\u1ed5ng h\u1ee3p ch\u00fang \u0111\u1ec3 qu\u1ea3n l\u00fd l\u1ecbch tr\u00ecnh, nh\u01b0ng vi\u1ec7c h\u1ee7y b\u1ecf D\u1ef1 \u00e1n kh\u00f4ng x\u00f3a l\u1ecbch s\u1eed Nhi\u1ec7m v\u1ee5.<\/p>\n

              2. H\u1ec7 th\u1ed1ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/h3>\n

              Gi\u1ecf h\u00e0ng t\u1ed5ng h\u1ee3p c\u00e1c S\u1ea3n ph\u1ea9m. C\u00e1c S\u1ea3n ph\u1ea9m t\u1ed3n t\u1ea1i trong danh m\u1ee5c b\u1ea5t k\u1ec3 ch\u00fang c\u00f3 trong gi\u1ecf hay kh\u00f4ng. Gi\u1ecf h\u00e0ng qu\u1ea3n l\u00fd t\u1eadp h\u1ee3p t\u1ea1m th\u1eddi, nh\u01b0ng kh\u00f4ng s\u1edf h\u1eefu d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m.<\/p>\n

              3. Qu\u1ea3n l\u00fd gi\u00e1o d\u1ee5c<\/h3>\n

              M\u1ed9t Kh\u00f3a h\u1ecdc t\u1ed5ng h\u1ee3p c\u00e1c M\u00f4-\u0111un. C\u00e1c M\u00f4-\u0111un l\u00e0 t\u00e0i s\u1ea3n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng. Ch\u00fang c\u00f3 th\u1ec3 thu\u1ed9c nhi\u1ec1u kh\u00f3a h\u1ecdc kh\u00e1c nhau. Kh\u00f3a h\u1ecdc t\u1ed5ng h\u1ee3p ch\u00fang \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh tr\u00ecnh ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc.<\/p>\n

              \ud83d\udcdd C\u00e1c c\u00e2n nh\u1eafc khi tri\u1ec3n khai<\/h2>\n

              Khi chuy\u1ec3n \u0111\u1ed5i s\u01a1 \u0111\u1ed3 sang m\u00e3 ngu\u1ed3n, t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c d\u1ecbch th\u00e0nh bi\u1ebfn th\u00e0nh vi\u00ean ho\u1eb7c ch\u00e8n ph\u1ee5 thu\u1ed9c. N\u00f3 kh\u00f4ng y\u00eau c\u1ea7u sao ch\u00e9p s\u00e2u \u0111\u1ed1i t\u01b0\u1ee3ng. Ch\u1ec9 c\u1ea7n tham chi\u1ebfu ho\u1eb7c con tr\u1ecf l\u00e0 \u0111\u1ee7.<\/p>\n

                \n
              • Qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb:<\/strong>Kh\u00f4ng t\u1ef1 \u00fd x\u00f3a \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea7n khi \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ed5ng h\u1ee3p b\u1ecb h\u1ee7y.<\/li>\n
              • Thu gom r\u00e1c:<\/strong>M\u00f4i tr\u01b0\u1eddng ch\u1ea1y x\u1eed l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a ph\u1ea7n m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/li>\n
              • \u0110\u1ebfm tham chi\u1ebfu:<\/strong>N\u1ebfu s\u1eed d\u1ee5ng c\u00e1c ng\u00f4n ng\u1eef c\u00f3 \u0111\u1ebfm tham chi\u1ebfu, h\u00e3y \u0111\u1ea3m b\u1ea3o ph\u1ea7n kh\u00f4ng b\u1ecb gi\u1ea3i ph\u00f3ng khi v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c c\u00e1c t\u1ed5ng h\u1ee3p kh\u00e1c tham chi\u1ebfu.<\/li>\n<\/ul>\n

                T\u00e0i li\u1ec7u ph\u1ea3i n\u00eau r\u00f5 h\u1ee3p \u0111\u1ed3ng t\u00edch h\u1ee3p. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n bi\u1ebft r\u1eb1ng h\u1ecd kh\u00f4ng th\u1ec3 gi\u1ea3 \u0111\u1ecbnh ki\u1ec3m so\u00e1t \u0111\u1ed9c quy\u1ec1n \u0111\u1ed1i v\u1edbi th\u1ec3 hi\u1ec7n ph\u1ea7n. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba l\u1ed7i logic trong c\u00e1c th\u1ee7 t\u1ee5c d\u1ecdn d\u1eb9p.<\/p>\n

                \ud83d\udd17 K\u1ebft lu\u1eadn v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac<\/h2>\n

                M\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c m\u1ed1i quan h\u1ec7 t\u00edch h\u1ee3p trong c\u00e1c s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML c\u1ee7ng c\u1ed1 giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. N\u00f3 l\u00e0m r\u00f5 ranh gi\u1edbi s\u1edf h\u1eefu v\u00e0 k\u1ef3 v\u1ecdng v\u1ec1 v\u00f2ng \u0111\u1eddi. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 k\u00fd hi\u1ec7u chu\u1ea9n v\u00e0 tr\u00e1nh nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn, c\u00e1c \u0111\u1ed9i nh\u00f3m c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c s\u01a1 \u0111\u1ed3 ki\u1ebfn tr\u00fac v\u1eabn l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u00e1ng tin c\u1eady cho qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/p>\n

                T\u1eadp trung v\u00e0o \u00fd ngh\u0129a ng\u1eef ngh\u0129a c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7. Ph\u1ea7n c\u00f3 t\u1ed3n t\u1ea1i khi to\u00e0n b\u1ed9 b\u1ecb h\u1ee7y kh\u00f4ng? N\u1ebfu c\u00f3, h\u00e3y s\u1eed d\u1ee5ng t\u00edch h\u1ee3p. C\u00e2u h\u1ecfi \u0111\u01a1n gi\u1ea3n n\u00e0y d\u1eabn d\u1eaft t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac c\u1ee7a to\u00e0n b\u1ed9 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. Vi\u1ec7c xem x\u00e9t li\u00ean t\u1ee5c c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y trong su\u1ed1t chu k\u1ef3 ph\u00e1t tri\u1ec3n \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng b\u1ed9 gi\u1eefa m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c tri\u1ec3n khai.<\/p>\n","protected":false},"excerpt":{"rendered":"

                Hi\u1ec3u r\u00f5 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m l\u00e0 n\u1ec1n t\u1ea3ng cho vi\u1ec7c thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac v\u1eefng ch\u1eafc. Trong s\u1ed1 c\u00e1c c\u00f4ng…<\/p>\n","protected":false},"author":1,"featured_media":92,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"M\u00f4 h\u00ecnh h\u00f3a t\u00edch h\u1ee3p trong c\u00e1c s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a c\u00e1c m\u1ed1i quan h\u1ec7 t\u00edch h\u1ee3p trong c\u00e1c s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p UML. 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