{"id":1503,"date":"2026-03-31T08:51:45","date_gmt":"2026-03-31T08:51:45","guid":{"rendered":"https:\/\/www.viz-read.com\/vi\/what-is-object-diagram-guide\/"},"modified":"2026-03-31T08:51:45","modified_gmt":"2026-03-31T08:51:45","slug":"what-is-object-diagram-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/vi\/what-is-object-diagram-guide\/","title":{"rendered":"Diagrams \u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn tr\u1ef1c quan t\u1eebng b\u01b0\u1edbc cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t. Khi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t h\u1ec7 th\u1ed1ng, h\u1ecd th\u01b0\u1eddng d\u1ef1a v\u00e0o c\u00e1c b\u1ea3n v\u1ebd t\u0129nh \u0111\u1ec3 h\u00ecnh dung c\u00e1ch d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac Diagram \u0110\u1ed1i t\u01b0\u1ee3ng<\/strong>tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p nhanh c\u1ee7a h\u1ec7 th\u1ed1ng, ghi l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang trong qu\u00e1 tr\u00ecnh th\u1ef1c thi. Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c m\u00f4 t\u1ea3 c\u00e1c c\u1ea5u tr\u00fac ti\u1ec1m n\u0103ng, s\u01a1 \u0111\u1ed3 n\u00e0y ti\u1ebft l\u1ed9 th\u1ef1c t\u1ebf \u0111ang v\u1eadn h\u00e0nh.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u01a1 ch\u1ebf, c\u00fa ph\u00e1p v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ed1i t\u01b0\u1ee3ng. D\u00f9 b\u1ea1n l\u00e0 sinh vi\u00ean \u0111ang h\u1ecdc k\u00fd hi\u1ec7u UML hay chuy\u00ean gia \u0111ang tinh ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u1ea3 h\u1ec7 th\u1ed1ng, vi\u1ec7c hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1eadp t\u00e0i li\u1ec7u ch\u00ednh x\u00e1c.<\/p>\n

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

Hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i \ud83d\udd0d<\/h2>\n

M\u1ed9t Diagram \u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML). N\u00f3 minh h\u1ecda m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p c\u1ee5 th\u1ec3 v\u1ec1 c\u00e1c th\u1ec3 hi\u1ec7n b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng. Trong khi s\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 t\u1ea3 m\u1eabu ho\u1eb7c b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng, th\u00ec s\u01a1 \u0111\u1ed3 \u0110\u1ed1i t\u01b0\u1ee3ng m\u00f4 t\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u00f3.<\/p>\n

T\u1ea1i sao c\u1ea7n s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng?<\/h3>\n
    \n
  • Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u:<\/strong> N\u00f3 cho th\u1ea5y d\u1eef li\u1ec7u tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o trong m\u1ed9t t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111i\u1ec1u m\u00e0 n\u00f3 c\u00f3 th\u1ec3<\/em>c\u00f3 th\u1ec3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o.<\/li>\n
  • X\u00e1c minh:<\/strong> N\u00f3 gi\u00fap x\u00e1c minh r\u1eb1ng c\u1ea5u tr\u00fac l\u1edbp h\u1ed7 tr\u1ee3 c\u00e1c tr\u1ea1ng th\u00e1i d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft.<\/li>\n
  • Giao ti\u1ebfp:<\/strong> N\u00f3 cung c\u1ea5p m\u1ed9t v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u00e1c b\u00ean li\u00ean quan kh\u00f4ng chuy\u00ean c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i quan h\u1ec7 d\u1eef li\u1ec7u.<\/li>\n
  • G\u1ee1 l\u1ed7i:<\/strong> N\u00f3 h\u1ed7 tr\u1ee3 theo d\u00f5i l\u1ed7i b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng khi x\u1ea3y ra s\u1ef1 c\u1ed1.<\/li>\n<\/ul>\n

    C\u1ea5u t\u1ea1o c\u1ee7a s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng \ud83c\udfd7\ufe0f<\/h2>\n

    \u0110\u1ec3 v\u1ebd m\u1ed9t s\u01a1 \u0111\u1ed3 hi\u1ec7u qu\u1ea3, ng\u01b0\u1eddi ta ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

    1. \u0110\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

    M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t l\u1edbp. Trong s\u01a1 \u0111\u1ed3, n\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt chia th\u00e0nh ba ng\u0103n:<\/p>\n

      \n
    • Ng\u0103n tr\u00ean:<\/strong> Ch\u1ee9a t\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng. Th\u01b0\u1eddng theo \u0111\u1ecbnh d\u1ea1ng T\u00eanL\u1edbp::t\u00ean\u0110\u1ed1iT\u01b0\u1ee3ng<\/code>. V\u00ed d\u1ee5, Kh\u00e1chH\u00e0ng::kh01<\/code>.<\/li>\n
    • Ng\u0103n gi\u1eefa:<\/strong> Li\u1ec7t k\u00ea c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 gi\u00e1 tr\u1ecb hi\u1ec7n t\u1ea1i c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi s\u01a1 \u0111\u1ed3 L\u1edbp, n\u01a1i ch\u1ec9 hi\u1ec3n th\u1ecb ki\u1ec3u thu\u1ed9c t\u00ednh.<\/li>\n
    • Ph\u1ea7n ng\u0103n d\u01b0\u1edbi:<\/strong> Li\u1ec7t k\u00ea c\u00e1c thao t\u00e1c ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c c\u00f3 s\u1eb5n cho \u0111\u1ed1i t\u01b0\u1ee3ng, m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn trong c\u00e1c b\u1ea3n ch\u1ee5p t\u0129nh.<\/li>\n<\/ul>\n

      2. Li\u00ean k\u1ebft (M\u1ed1i quan h\u1ec7)<\/h3>\n

      C\u00e1c li\u00ean k\u1ebft bi\u1ec3u di\u1ec5n c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. Ch\u00fang cho th\u1ea5y c\u00e1ch m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng li\u00ean quan \u0111\u1ebfn \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3. M\u1ed9t li\u00ean k\u1ebft l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n v\u1eadt l\u00fd c\u1ee7a m\u1ed1i li\u00ean k\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 L\u1edbp.<\/p>\n

        \n
      • H\u01b0\u1edbng \u0111i:<\/strong> C\u00e1c m\u0169i t\u00ean ch\u1ec9 ra kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng ho\u1eb7c ph\u1ee5 thu\u1ed9c.<\/li>\n
      • \u0110a d\u1ea1ng:<\/strong> C\u00e1c nh\u00e3n tr\u00ean li\u00ean k\u1ebft cho th\u1ea5y c\u00f3 bao nhi\u00eau \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i (v\u00ed d\u1ee5: 1, 0..1, *).<\/li>\n
      • T\u00ean vai tr\u00f2:<\/strong> T\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t cho li\u00ean k\u1ebft t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n

        3. Gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh<\/h3>\n

        Trong s\u01a1 \u0111\u1ed3 L\u1edbp, m\u1ed9t thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0t\u00ean: ki\u1ec3u<\/code>. Trong s\u01a1 \u0111\u1ed3 \u0110\u1ed1i t\u01b0\u1ee3ng, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0t\u00ean: gi\u00e1 tr\u1ecb<\/code>. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng. N\u1ebfu m\u1ed9t l\u1edbp c\u00f3 thu\u1ed9c t\u00ednhtu\u1ed5i: S\u1ed1 nguy\u00ean<\/code>, th\u00ec th\u1ec3 hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd hi\u1ec3n th\u1ecbtu\u1ed5i: 25<\/code>.<\/p>\n

        B\u01b0\u1edbc t\u1eebng b\u01b0\u1edbc: T\u1ea1o s\u01a1 \u0111\u1ed3 \u0110\u1ed1i t\u01b0\u1ee3ng \ud83d\udcdd<\/h2>\n

        Vi\u1ec7c t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 h\u1ec7 th\u1ed1ng. H\u00e3y tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>\n

        B\u01b0\u1edbc 1: Ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3 L\u1edbp<\/h3>\n

        B\u1eaft \u0111\u1ea7u v\u1edbi s\u01a1 \u0111\u1ed3 L\u1edbp hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n th\u00f4ng tin \u0111\u00e1ng tin c\u1eady v\u1ec1 c\u00e1c l\u1edbp c\u00f3 s\u1eb5n v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang. X\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp s\u1ebd \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o trong t\u00ecnh hu\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n

        B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh t\u00ecnh hu\u1ed1ng<\/h3>\n

        Thi\u1ebft l\u1eadp b\u1ed1i c\u1ea3nh. \u0110i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra trong h\u1ec7 th\u1ed1ng? C\u00f3 ph\u1ea3i l\u00e0 \u0111\u0103ng nh\u1eadp ng\u01b0\u1eddi d\u00f9ng? X\u1eed l\u00fd giao d\u1ecbch? T\u00ecnh hu\u1ed1ng s\u1ebd x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0o t\u1ed3n t\u1ea1i v\u00e0 ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

        B\u01b0\u1edbc 3: Kh\u1edfi t\u1ea1o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

        T\u1ea1o c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt cho t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng tham gia. S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00eanT\u00eanL\u1edbp::t\u00ean\u0110\u1ed1iT\u01b0\u1ee3ng<\/code>. G\u00e1n c\u00e1c \u0111\u1ecbnh danh duy nh\u1ea5t \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn.<\/p>\n

        B\u01b0\u1edbc 4: \u0110i\u1ec1n v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh<\/h3>\n

        \u0110i\u1ec1n v\u00e0o c\u00e1c \u00f4 thu\u1ed9c t\u00ednh. Thay v\u00ec ki\u1ec3u d\u1eef li\u1ec7u, h\u00e3y nh\u1eadp c\u00e1c gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf ph\u00f9 h\u1ee3p v\u1edbi t\u00ecnh hu\u1ed1ng. \u0110\u1ea3m b\u1ea3o ki\u1ec3u d\u1eef li\u1ec7u kh\u1edbp v\u1edbi \u0111\u1ecbnh ngh\u0129a l\u1edbp n\u1ec1n t\u1ea3ng.<\/p>\n

        B\u01b0\u1edbc 5: V\u1ebd c\u00e1c li\u00ean k\u1ebft<\/h3>\n

        K\u1ebft n\u1ed1i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng. Nh\u1eefng \u0111\u01b0\u1eddng n\u00e0y \u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft. \u0110\u1ea3m b\u1ea3o b\u1ed9i s\u1ed1 tr\u00ean c\u00e1c li\u00ean k\u1ebft kh\u1edbp v\u1edbi c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong m\u00f4 h\u00ecnh l\u1edbp.<\/p>\n

        B\u01b0\u1edbc 6: Xem x\u00e9t v\u00e0 ho\u00e0n thi\u1ec7n<\/h3>\n

        Ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n. C\u00e1c li\u00ean k\u1ebft c\u00f3 kh\u1edbp v\u1edbi c\u1ea5p \u0111\u1ed9? T\u1ea5t c\u1ea3 c\u00e1c thu\u1ed9c t\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1n \u0111\u1ea7y \u0111\u1ee7 ch\u01b0a? K\u00fd hi\u1ec7u c\u00f3 chu\u1ea9n kh\u00f4ng? L\u00e0m s\u1ea1ch b\u1ed1 c\u1ee5c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ec5 \u0111\u1ecdc.<\/p>\n

        S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp \ud83d\udcca<\/h2>\n

        S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng x\u1ea3y ra gi\u1eefa hai lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u00e0y. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u thu\u1ed9c nh\u00f3m c\u1ea5u tr\u00fac, nh\u01b0ng ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n\n\n\n\n\n\n\n
        T\u00ednh n\u0103ng<\/th>\nS\u01a1 \u0111\u1ed3 l\u1edbp<\/th>\nS\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng<\/th>\n<\/tr>\n<\/thead>\n
        Tr\u1ecdng t\u00e2m<\/strong><\/td>\nC\u1ea5u tr\u00fac t\u0129nh v\u00e0 m\u1eabu<\/td>\nTr\u1ea1ng th\u00e1i \u0111\u1ed9ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n
        N\u1ed9i dung<\/strong><\/td>\nL\u1edbp, Giao di\u1ec7n, Thao t\u00e1c<\/td>\nTh\u1ec3 hi\u1ec7n, \u0110\u1ed1i t\u01b0\u1ee3ng, Gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh<\/td>\n<\/tr>\n
        K\u00fd hi\u1ec7u<\/strong><\/td>\nT\u00eanL\u1edbp<\/code><\/td>\nT\u00eanL\u1edbp::t\u00ean\u0110\u1ed1iT\u01b0\u1ee3ng<\/code><\/td>\n<\/tr>\n
        Thu\u1ed9c t\u00ednh<\/strong><\/td>\n\u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 ki\u1ec3u<\/code><\/td>\n\u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 gi\u00e1 tr\u1ecb<\/code><\/td>\n<\/tr>\n
        M\u1ed1i quan h\u1ec7<\/strong><\/td>\nLi\u00ean k\u1ebft (C\u00f3 th\u1ec3)<\/td>\nLi\u00ean k\u1ebft (Th\u1ef1c t\u1ebf)<\/td>\n<\/tr>\n
        Th\u1eddi gian s\u1ed1ng<\/strong><\/td>\nV\u0129nh vi\u1ec5n (cho \u0111\u1ebfn khi thi\u1ebft k\u1ebf l\u1ea1i h\u1ec7 th\u1ed1ng)<\/td>\nT\u1ea1m th\u1eddi (t\u1ed3n t\u1ea1i trong qu\u00e1 tr\u00ecnh ch\u1ea1y)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        V\u00ed d\u1ee5 th\u1ef1c t\u1ebf: M\u1ed9t h\u1ec7 th\u1ed1ng th\u01b0 vi\u1ec7n \ud83c\udfdb\ufe0f<\/h2>\n

        \u0110\u1ec3 h\u00ecnh dung l\u00fd thuy\u1ebft, h\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n \u0111\u01a1n gi\u1ea3n. V\u00ed d\u1ee5 n\u00e0y minh h\u1ecda c\u00e1ch c\u00e1c l\u1edbp tr\u1eebu t\u01b0\u1ee3ng tr\u1edf th\u00e0nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3.<\/p>\n

        C\u00e1c l\u1edbp<\/h3>\n
          \n
        • S\u00e1ch:<\/strong>Ch\u1ee9a ti\u00eau \u0111\u1ec1, ISBN v\u00e0 t\u00e1c gi\u1ea3.<\/li>\n
        • Th\u00e0nh vi\u00ean:<\/strong>Ch\u1ee9a memberID, t\u00ean v\u00e0 \u0111\u1ecba ch\u1ec9.<\/li>\n
        • M\u01b0\u1ee3n:<\/strong>K\u1ebft n\u1ed1i S\u00e1ch v\u00e0 Th\u00e0nh vi\u00ean, ch\u1ee9a ng\u00e0y ph\u1ea3i tr\u1ea3.<\/li>\n<\/ul>\n

          C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

          H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t kho\u1ea3nh kh\u1eafc khi Th\u00e0nh vi\u00ean John Doe \u0111\u00e3 m\u01b0\u1ee3n m\u1ed9t cu\u1ed1n s\u00e1ch c\u1ee5 th\u1ec3.<\/p>\n

            \n
          • \u0110\u1ed1i t\u01b0\u1ee3ng S\u00e1ch:<\/strong><\/li>\n
              \n
            • T\u00ean: S\u00e1ch::bk101<\/code><\/li>\n
            • Ti\u00eau \u0111\u1ec1: \"M\u1eabu thi\u1ebft k\u1ebf\"<\/code><\/li>\n
            • T\u00e1c gi\u1ea3: \"B\u1ed1n ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng\"<\/code><\/li>\n<\/ul>\n
            • \u0110\u1ed1i t\u01b0\u1ee3ng Th\u00e0nh vi\u00ean:<\/strong><\/li>\n
                \n
              • T\u00ean: Th\u00e0nh vi\u00ean::mem55<\/code><\/li>\n
              • T\u00ean: \"John Doe\"<\/code><\/li>\n
              • Tr\u1ea1ng th\u00e1i: \"\u0110ang ho\u1ea1t \u0111\u1ed9ng\"<\/code><\/li>\n<\/ul>\n
              • \u0110\u1ed1i t\u01b0\u1ee3ng M\u01b0\u1ee3n:<\/strong><\/li>\n
                  \n
                • T\u00ean: M\u01b0\u1ee3n::ln2023<\/code><\/li>\n
                • Ng\u00e0y m\u01b0\u1ee3n: \"2023-10-01\"<\/code><\/li>\n
                • Ng\u00e0y \u0111\u1ebfn h\u1ea1n: \"2023-10-15\"<\/code><\/li>\n<\/ul>\n<\/ul>\n

                  C\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

                  Trong s\u01a1 \u0111\u1ed3 n\u00e0y, S\u00e1ch::bk101<\/code> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi Vay::ln2023<\/code>, \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi Th\u00e0nh vi\u00ean::mem55<\/code>. Chu\u1ed7i n\u00e0y \u0111\u1ea1i di\u1ec7n cho th\u1ef1c t\u1ebf v\u1eadt l\u00fd c\u1ee7a giao d\u1ecbch, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 kh\u1ea3 n\u0103ng x\u1ea3y ra c\u1ee7a n\u00f3.<\/p>\n

                  Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \u274c<\/h2>\n

                  Ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u00f4 h\u00ecnh h\u00f3a c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng c\u00e1i b\u1eaby ph\u1ed5 bi\u1ebfn s\u1ebd \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 h\u1eefu \u00edch.<\/p>\n

                    \n
                  • S\u1eed d\u1ee5ng t\u00ean l\u1edbp cho \u0111\u1ed1i t\u01b0\u1ee3ng:<\/strong> Kh\u00f4ng bao gi\u1edd \u0111\u00e1nh d\u1ea5u m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 Kh\u00e1ch h\u00e0ng<\/code>. N\u00f3 ph\u1ea3i l\u00e0 Kh\u00e1ch h\u00e0ng::cust001<\/code>.<\/li>\n
                  • B\u1ecf qua c\u00e1c gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh:<\/strong> \u0110\u1ec3 ng\u0103n gi\u1eefa tr\u1ed1ng r\u1ed7ng s\u1ebd v\u00f4 hi\u1ec7u h\u00f3a m\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c th\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i.<\/li>\n
                  • Qu\u00e1 ph\u1ee9c t\u1ea1p:<\/strong> Kh\u00f4ng n\u00ean bao g\u1ed3m m\u1ecdi \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 trong h\u1ec7 th\u1ed1ng. H\u00e3y t\u1eadp trung v\u00e0o t\u1eadp h\u1ee3p con li\u00ean quan cho t\u00ecnh hu\u1ed1ng n\u00e0y.<\/li>\n
                  • K\u00fd hi\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n:<\/strong> \u0110\u1ea3m b\u1ea3o ki\u1ec3u \u0111\u01b0\u1eddng n\u00e9t v\u00e0 \u0111\u1ea7u m\u0169i t\u00ean \u0111\u01b0\u1ee3c \u0111\u1ed3ng nh\u1ea5t trong to\u00e0n b\u1ed9 t\u00e0i li\u1ec7u.<\/li>\n
                  • Thi\u1ebfu b\u1ed9i s\u1ed1:<\/strong> Lu\u00f4n \u0111\u00e1nh d\u1ea5u c\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u1ec3 l\u00e0m r\u00f5 c\u00f3 bao nhi\u00eau th\u1ec3 hi\u1ec7n c\u00f3 th\u1ec3 tham gia.<\/li>\n<\/ul>\n

                    C\u00e1c t\u00ecnh hu\u1ed1ng v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e2ng cao \ud83c\udfaf<\/h2>\n

                    S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi c\u00e1c v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n. Ch\u00fang c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p n\u01a1i qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n

                    1. C\u00e1c b\u1ea3n ch\u1ee5p c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n

                    Khi ph\u00e2n t\u00edch m\u1ed9t b\u1ea3n sao l\u01b0u c\u01a1 s\u1edf d\u1eef li\u1ec7u, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c h\u00e0ng trong b\u1ea3ng d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u00e1c kh\u00f3a ngo\u1ea1i d\u01b0\u1edbi d\u1ea1ng li\u00ean k\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap hi\u1ec3u r\u00f5 t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft c\u00e1c truy v\u1ea5n SQL.<\/p>\n

                    2. Serial h\u00f3a v\u00e0 phi serial h\u00f3a<\/h3>\n

                    Trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1ea1ng th\u00e1i v\u00e0o \u1ed5 \u0111\u0129a, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng m\u00f4 h\u00ecnh h\u00f3a d\u1ea1ng \u0111\u00e3 serial h\u00f3a. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng khi h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng l\u1ea1i, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh \u0111\u00fang \u0111\u1eafn.<\/p>\n

                    3. H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/h3>\n

                    Trong c\u00e1c microservice, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t d\u1ecbch v\u1ee5 giao ti\u1ebfp v\u1edbi c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a d\u1ecbch v\u1ee5 kh\u00e1c qua m\u1ea1ng. \u0110i\u1ec1u n\u00e0y l\u00e0m n\u1ed5i b\u1eadt c\u00e1c k\u1ebft n\u1ed1i v\u1eadt l\u00fd.<\/p>\n

                    4. Ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u0169<\/h3>\n

                    Khi thao t\u00e1c ng\u01b0\u1ee3c m\u00e3 ngu\u1ed3n, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng gi\u00fap x\u00e1c \u0111\u1ecbnh h\u00e0nh vi th\u1ef1c thi hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi t\u00e0i li\u1ec7u l\u1edbp b\u1ecb thi\u1ebfu ho\u1eb7c \u0111\u00e3 l\u1ed7i th\u1eddi.<\/p>\n

                    C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u00e0i li\u1ec7u \u2705<\/h2>\n

                    \u0110\u1ec3 duy tr\u00ec ti\u00eau chu\u1ea9n cao trong c\u00e1c n\u1ed7 l\u1ef1c m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a b\u1ea1n, h\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n

                    1. T\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 ch\u00eca kh\u00f3a<\/h3>\n

                    \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a b\u1ea1n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy \u01b0\u1edbc trong s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c cho b\u1ea5t k\u1ef3 ai \u0111\u1ecdc t\u00e0i li\u1ec7u.<\/p>\n

                    2. Lu\u00f4n c\u1eadp nh\u1eadt<\/h3>\n

                    S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng bi\u1ec3u di\u1ec5n m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi. C\u1eadp nh\u1eadt ch\u00fang m\u1ed7i khi c\u00f3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 trong lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n

                    3. S\u1eed d\u1ee5ng kho\u1ea3ng tr\u1ed1ng tr\u1eafng<\/h3>\n

                    B\u1ed1 c\u1ee5c r\u1ea5t quan tr\u1ecdng. Tr\u00e1nh giao nhau gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng n\u1ebfu c\u00f3 th\u1ec3. S\u1eed d\u1ee5ng kho\u1ea3ng tr\u1ed1ng tr\u1eafng \u0111\u1ec3 nh\u00f3m c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng li\u00ean quan. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n r\u1ea5t kh\u00f3 \u0111\u1ecdc v\u00e0 d\u1ec5 g\u00e2y l\u1ed7i.<\/p>\n

                    4. T\u1eadp trung v\u00e0o t\u00ednh li\u00ean quan<\/h3>\n

                    Kh\u00f4ng bao g\u1ed3m c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00f4ng thu\u1ed9c v\u1ec1 v\u1ea5n \u0111\u1ec1 \u0111ang \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn ngay l\u1eadp t\u1ee9c. T\u00ednh ch\u1ecdn l\u1ecdc s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u1ed9 r\u00f5 r\u00e0ng.<\/p>\n

                    5. Ghi ch\u00fa c\u00e1c r\u00e0ng bu\u1ed9c<\/h3>\n

                    N\u1ebfu c\u00f3 c\u00e1c quy t\u1eafc kinh doanh c\u1ee5 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, h\u00e3y ghi ch\u00fa ch\u00fang trong v\u0103n b\u1ea3n s\u01a1 \u0111\u1ed3 ho\u1eb7c d\u01b0\u1edbi d\u1ea1ng nh\u00e3n. \u0110i\u1ec1u n\u00e0y th\u00eam b\u1ed1i c\u1ea3nh cho bi\u1ec3u di\u1ec5n tr\u1ef1c quan.<\/p>\n

                    Vai tr\u00f2 c\u1ee7a s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng trong Agile \ud83d\ude80<\/h2>\n

                    Trong m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n hi\u1ec7n \u0111\u1ea1i, t\u00e0i li\u1ec7u th\u01b0\u1eddng b\u1ecb \u0111\u1ea9y xu\u1ed1ng sau m\u00e3 ngu\u1ed3n. Tuy nhi\u00ean, s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eabn mang l\u1ea1i gi\u00e1 tr\u1ecb trong c\u00e1c \u0111\u1ed9i Agile.<\/p>\n

                      \n
                    • Ch\u1ec9nh s\u1eeda danh s\u00e1ch c\u00f4ng vi\u1ec7c (Backlog):<\/strong> Ch\u00fang gi\u00fap l\u00e0m r\u00f5 c\u00e1c y\u00eau c\u1ea7u d\u1eef li\u1ec7u cho c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
                    • T\u00e1i c\u1ea5u tr\u00fac:<\/strong> Ch\u00fang h\u1ed7 tr\u1ee3 hi\u1ec3u r\u00f5 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c thay \u0111\u1ed5i c\u1ea5u tr\u00fac l\u1edbp \u0111\u1ed1i v\u1edbi tr\u1ea1ng th\u00e1i d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i.<\/li>\n
                    • Ch\u00e0o \u0111\u00f3n th\u00e0nh vi\u00ean m\u1edbi:<\/strong> C\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong \u0111\u1ed9i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 hi\u1ec3u nhanh c\u00e1ch d\u1eef li\u1ec7u ch\u1ea3y qua h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n

                      K\u1ebft lu\u1eadn<\/h2>\n

                      Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 v\u1ec1 s\u1ef1 ch\u00ednh x\u00e1c. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 thay \u0111\u1ed5i trong t\u01b0 duy t\u1eeb ti\u1ec1m n\u0103ng sang th\u1ef1c t\u1ebf. B\u1eb1ng c\u00e1ch ghi l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e1c th\u1ec3 hi\u1ec7n, c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y t\u1ea1o ra s\u1ef1 k\u1ebft n\u1ed1i gi\u1eefa thi\u1ebft k\u1ebf tr\u1eebu t\u01b0\u1ee3ng v\u00e0 th\u1ef1c t\u1ebf c\u1ee5 th\u1ec3.<\/p>\n

                      Khi b\u1ea1n v\u1ebd m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng, b\u1ea1n \u0111ang k\u1ec3 m\u1ed9t c\u00e2u chuy\u1ec7n v\u1ec1 d\u1eef li\u1ec7u c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. B\u1ea1n \u0111ang th\u1ec3 hi\u1ec7n \u0111i\u1ec1u g\u00ec t\u1ed3n t\u1ea1i, c\u00e1ch ch\u00fang k\u1ebft n\u1ed1i v\u1edbi nhau v\u00e0 gi\u00e1 tr\u1ecb m\u00e0 ch\u00fang mang theo. M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 duy tr\u00ec c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p. V\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p v\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn k\u1ef7 lu\u1eadt, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u00e1ng tin c\u1eady cho ph\u00e1t tri\u1ec3n, ki\u1ec3m th\u1eed v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n

                      H\u00e3y nh\u1edb, m\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng. N\u1ebfu s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u b\u1edfi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n, m\u1ed9t nh\u00e0 ki\u1ec3m th\u1eed ho\u1eb7c m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch kinh doanh m\u00e0 kh\u00f4ng c\u1ea7n gi\u1ea3i th\u00edch, th\u00ec n\u00f3 \u0111\u00e3 th\u00e0nh c\u00f4ng. S\u1eed d\u1ee5ng c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 x\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 ti\u1ebfp theo c\u1ee7a b\u1ea1n v\u1edbi s\u1ef1 t\u1ef1 tin v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

                      Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t. Khi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t h\u1ec7…<\/p>\n","protected":false},"author":1,"featured_media":1504,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn tr\u1ef1c quan UML cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \ud83d\udcd8","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec v\u1edbi h\u01b0\u1edbng d\u1eabn tr\u1ef1c quan t\u1eebng b\u01b0\u1edbc n\u00e0y. 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Hi\u1ec3u r\u00f5 c\u00e1c th\u1ec3 hi\u1ec7n UML, thu\u1ed9c t\u00ednh v\u00e0 li\u00ean k\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m.\" \/>\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.viz-read.com\/vi\/what-is-object-diagram-guide\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn tr\u1ef1c quan UML cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \ud83d\udcd8\" \/>\n<meta property=\"og:description\" content=\"H\u1ecdc c\u00e1ch s\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec v\u1edbi h\u01b0\u1edbng d\u1eabn tr\u1ef1c quan t\u1eebng b\u01b0\u1edbc n\u00e0y. 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