{"id":1110,"date":"2026-03-30T01:15:39","date_gmt":"2026-03-30T01:15:39","guid":{"rendered":"https:\/\/www.method-post.com\/vi\/applying-class-diagram-concepts-capstone-project\/"},"modified":"2026-03-30T01:15:39","modified_gmt":"2026-03-30T01:15:39","slug":"applying-class-diagram-concepts-capstone-project","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/vi\/applying-class-diagram-concepts-capstone-project\/","title":{"rendered":"T\u1eeb L\u00fd Thuy\u1ebft \u0111\u1ebfn Th\u1ef1c H\u00e0nh: \u00c1p D\u1ee5ng C\u00e1c Kh\u00e1i Ni\u1ec7m S\u01a1 \u0110\u1ed3 L\u1edbp v\u00e0o D\u1ef1 \u00c1n T\u1ed1t Nghi\u1ec7p \u0110\u1ea7u Ti\u00ean C\u1ee7a B\u1ea1n"},"content":{"rendered":"

Tham gia m\u1ed9t d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p l\u00e0 m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng trong h\u00e0nh tr\u00ecnh h\u1ecdc thu\u1eadt v\u00e0 ngh\u1ec1 nghi\u1ec7p c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 kho\u1ea3nh kh\u1eafc ki\u1ebfn th\u1ee9c tr\u1eebu t\u01b0\u1ee3ng chuy\u1ec3n h\u00f3a th\u00e0nh k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3. \u0110\u1ed1i v\u1edbi sinh vi\u00ean v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n v\u1ebd ki\u1ebfn tr\u00fac. N\u00f3 x\u00e1c \u0111\u1ecbnh c\u00e1ch d\u1eef li\u1ec7u v\u00e0 logic t\u01b0\u01a1ng t\u00e1c tr\u01b0\u1edbc khi vi\u1ebft b\u1ea5t k\u1ef3 d\u00f2ng m\u00e3 n\u00e0o. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd d\u1eabn d\u1eaft b\u1ea1n qua vi\u1ec7c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u00e1c kh\u00e1i ni\u1ec7m s\u01a1 \u0111\u1ed3 l\u1edbp, \u0111\u1ea3m b\u1ea3o d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc.<\/p>\n

Nhi\u1ec1u ng\u01b0\u1eddi h\u1ecdc hi\u1ec3u l\u00fd thuy\u1ebft v\u1ec1 Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML) m\u1ed9t c\u00e1ch t\u00e1ch bi\u1ec7t. H\u1ecd bi\u1ebft h\u00ecnh vu\u00f4ng \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec v\u00e0 m\u0169i t\u00ean th\u1ec3 hi\u1ec7n \u00fd ngh\u0129a g\u00ec. Tuy nhi\u00ean, c\u1ea7u n\u1ed1i kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1ed9t s\u01a1 \u0111\u1ed3 trong s\u00e1ch gi\u00e1o khoa v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng \u0111\u00f2i h\u1ecfi m\u1ed9t t\u01b0 duy kh\u00e1c bi\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 thi\u1ebft k\u1ebf, x\u00e1c minh v\u00e0 tri\u1ec3n khai s\u01a1 \u0111\u1ed3 l\u1edbp, \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u1edf c\u1ea5p \u0111\u1ed9 d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 h\u1ee3p l\u00fd v\u1ec1 m\u1eb7t logic.<\/p>\n

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\"Line<\/figure>\n<\/div>\n

T\u1ea1i Sao S\u01a1 \u0110\u1ed3 L\u1edbp L\u1ea1i Quan Tr\u1ecdng Trong C\u00e1c D\u1ef1 \u00c1n T\u1ed1t Nghi\u1ec7p \ud83d\udca1<\/h2>\n

M\u1ed9t d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng. Nh\u1eefng ng\u01b0\u1eddi ch\u1ea5m b\u00e0i t\u00ecm ki\u1ebfm b\u1eb1ng ch\u1ee9ng v\u1ec1 t\u01b0 duy c\u00f3 h\u1ec7 th\u1ed1ng. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1ed1t th\u1ec3 hi\u1ec7n r\u1eb1ng b\u1ea1n hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n. N\u00f3 cho th\u1ea5y b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111ang vi\u1ebft m\u00e3, m\u00e0 c\u00f2n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n

Kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3, m\u00e3 ngu\u1ed3n th\u01b0\u1eddng tr\u1edf th\u00e0nh c\u1ea5u tr\u00fac ‘m\u00ec \u0103n li\u1ec1n’. C\u00e1c h\u00e0m v\u00e0 bi\u1ebfn tr\u1edf th\u00e0nh nh\u1eefng h\u00f2n \u0111\u1ea3o t\u00e1ch bi\u1ec7t. S\u01a1 \u0111\u1ed3 l\u1edbp k\u1ebft n\u1ed1i nh\u1eefng h\u00f2n \u0111\u1ea3o n\u00e0y. N\u00f3 l\u00e0m r\u00f5:<\/p>\n

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  • Bao \u0111\u00f3ng:<\/strong>D\u1eef li\u1ec7u n\u00e0o thu\u1ed9c v\u1ec1 l\u1edbp n\u00e0o?<\/li>\n
  • Tr\u00e1ch nhi\u1ec7m:<\/strong>\u0110\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 th\u1ef1c hi\u1ec7n nh\u1eefng h\u00e0nh \u0111\u1ed9ng n\u00e0o?<\/li>\n
  • T\u01b0\u01a1ng t\u00e1c:<\/strong>C\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng giao ti\u1ebfp v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n<\/ul>\n

    \u0110\u1ed1i v\u1edbi d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p c\u1ee7a b\u1ea1n, t\u00e0i li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 gi\u1ea5y t\u1edd. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp. N\u00f3 gi\u00fap b\u1ea1n gi\u1ea3i th\u00edch logic c\u1ee7a m\u00ecnh cho \u0111\u1ed3ng nghi\u1ec7p, ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn v\u00e0 nh\u1eefng ng\u01b0\u1eddi b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai. N\u00f3 gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u h\u1ec7 th\u1ed1ng sau n\u00e0y.<\/p>\n

    C\u00e1c Y\u1ebfu T\u1ed1 Ch\u00ednh: T\u1ed5ng Quan Nhanh \ud83e\udde9<\/h2>\n

    Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf, h\u00e3y \u0111\u1ea3m b\u1ea3o hi\u1ec3u r\u00f5 c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n. S\u01a1 \u0111\u1ed3 l\u1edbp bao g\u1ed3m c\u00e1c l\u1edbp, thu\u1ed9c t\u00ednh, thao t\u00e1c v\u00e0 m\u1ed1i quan h\u1ec7. H\u00e3y c\u00f9ng ph\u00e2n t\u00edch ch\u00fang.<\/p>\n

    1. L\u1edbp<\/h3>\n

    L\u1edbp l\u00e0 m\u1ed9t m\u1eabu ho\u1eb7c b\u1ea3n v\u1ebd ph\u00e1c th\u1ea3o. Trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n, n\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt chia th\u00e0nh ba ph\u1ea7n. Ph\u1ea7n tr\u00ean ch\u1ee9a t\u00ean l\u1edbp, ph\u1ea7n gi\u1eefa ch\u1ee9a thu\u1ed9c t\u00ednh (d\u1eef li\u1ec7u), v\u00e0 ph\u1ea7n d\u01b0\u1edbi ch\u1ee9a thao t\u00e1c (ph\u01b0\u01a1ng th\u1ee9c).<\/p>\n

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    • \u0110\u1ed9 hi\u1ec3n th\u1ecb:<\/strong> S\u1eed d\u1ee5ng +<\/code> cho c\u00f4ng khai, -<\/code> cho ri\u00eang t\u01b0, v\u00e0 #<\/code> cho b\u1ea3o v\u1ec7. Th\u01b0\u1eddng th\u00ec ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho d\u1eef li\u1ec7u \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n.<\/li>\n
    • Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong> S\u1eed d\u1ee5ng PascalCase cho t\u00ean l\u1edbp (v\u00ed d\u1ee5, StudentRecord<\/code>). S\u1eed d\u1ee5ng camelCase cho thu\u1ed9c t\u00ednh v\u00e0 thao t\u00e1c.<\/li>\n<\/ul>\n

      2. Thu\u1ed9c t\u00ednh v\u00e0 Thao t\u00e1c<\/h3>\n

      Thu\u1ed9c t\u00ednh x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. C\u00e1c thao t\u00e1c x\u00e1c \u0111\u1ecbnh h\u00e0nh vi. Trong m\u1ed9t d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p, h\u00e3y tr\u00e1nh li\u1ec7t k\u00ea m\u1ecdi ph\u01b0\u01a1ng th\u1ee9c c\u00f3 th\u1ec3. T\u1eadp trung v\u00e0o c\u00e1c h\u00e0nh vi c\u1ed1t l\u00f5i x\u00e1c \u0111\u1ecbnh m\u1ee5c \u0111\u00edch c\u1ee7a l\u1edbp. V\u00ed d\u1ee5, m\u1ed9t L\u1edbp BankAccount<\/code> l\u1edbp c\u1ea7n deposit()<\/code> v\u00e0 withdraw()<\/code>, nh\u01b0ng n\u00f3 kh\u00f4ng c\u1ea7n ph\u01b0\u01a1ng th\u1ee9c print()<\/code> ph\u01b0\u01a1ng th\u1ee9c tr\u1eeb khi \u0111\u00f3 l\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh.<\/p>\n

      3. Ki\u1ec3u d\u1eef li\u1ec7u<\/h3>\n

      Lu\u00f4n x\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u cho c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 s\u1ed1 nguy\u00ean? Chu\u1ed7i? Ng\u00e0y th\u00e1ng? Chi ti\u1ebft n\u00e0y r\u1ea5t quan tr\u1ecdng khi b\u1ea1n chuy\u1ec3n sang giai \u0111o\u1ea1n tri\u1ec3n khai. N\u00f3 gi\u00fap tr\u00e1nh s\u1ef1 m\u01a1 h\u1ed3 trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh.<\/p>\n

      Quy tr\u00ecnh thi\u1ebft k\u1ebf: B\u01b0\u1edbc t\u1eebng b\u01b0\u1edbc \ud83d\udee0\ufe0f<\/h2>\n

      Thi\u1ebft k\u1ebf s\u01a1 \u0111\u1ed3 l\u1edbp kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng tuy\u1ebfn t\u00ednh. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh l\u1eb7p l\u1ea1i. B\u1ea1n s\u1ebd tinh ch\u1ec9nh s\u01a1 \u0111\u1ed3 khi hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 y\u00eau c\u1ea7u. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y v\u00e0o d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p c\u1ee7a b\u1ea1n.<\/p>\n

      B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 mi\u1ec1n<\/h3>\n

      B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch \u0111\u1ecdc y\u00eau c\u1ea7u d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. T\u00ecm c\u00e1c danh t\u1eeb. Danh t\u1eeb th\u01b0\u1eddng \u0111\u1ea1i di\u1ec7n cho c\u00e1c l\u1edbp ti\u1ec1m n\u0103ng. N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng t\u1ed3n kho, c\u00e1c danh t\u1eeb c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 l\u00e0 S\u1ea3n ph\u1ea9m<\/code>, Kho h\u00e0ng<\/code>, Nh\u00e0 cung c\u1ea5p<\/code>, v\u00e0 \u0110\u01a1n h\u00e0ng<\/code>.<\/p>\n

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      • L\u1ecdc:<\/strong> Kh\u00f4ng ph\u1ea3i danh t\u1eeb n\u00e0o c\u0169ng l\u00e0 m\u1ed9t l\u1edbp. Lo\u1ea1i b\u1ecf c\u00e1c thu\u1eadt ng\u1eef chung nh\u01b0 H\u1ec7 th\u1ed1ng<\/code> ho\u1eb7c Qu\u1ea3n l\u00fd<\/code> tr\u1eeb khi ch\u00fang l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.<\/li>\n
      • B\u1ed1i c\u1ea3nh:<\/strong> \u0110\u1ea3m b\u1ea3o l\u1edbp ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Kh\u00f4ng t\u1ea1o l\u1edbp n\u00e0o n\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n ch\u1ec9 x\u1eed l\u00fd x\u00e1c th\u1ef1c c\u1ee5c b\u1ed9.C\u01a1 s\u1edf d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng to\u00e0n c\u1ea7u<\/code> n\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n ch\u1ec9 x\u1eed l\u00fd x\u00e1c th\u1ef1c c\u1ee5c b\u1ed9.<\/li>\n<\/ul>\n

        B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c<\/h3>\n

        Khi b\u1ea1n \u0111\u00e3 c\u00f3 danh s\u00e1ch c\u00e1c l\u1edbp, h\u00e3y suy ngh\u0129 xem m\u1ed7i l\u1edbp ch\u1ee9a d\u1eef li\u1ec7u g\u00ec. H\u1ecfi: \u201cTh\u00f4ng tin n\u00e0o m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y c\u1ea7n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng?\u201d.<\/p>\n

          \n
        • Thu\u1ed9c t\u00ednh:<\/strong> \u0110\u1ed1i v\u1edbi m\u1ed9t S\u1ea3n ph\u1ea9m<\/code>, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n id<\/code>, t\u00ean<\/code>, gi\u00e1<\/code>, v\u00e0 s\u1ed1 l\u01b0\u1ee3ng t\u1ed3n kho<\/code>.<\/li>\n
        • Ph\u01b0\u01a1ng th\u1ee9c:<\/strong> \u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0m g\u00ec? M\u1ed9t S\u1ea3n ph\u1ea9m<\/code> c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ec3 t\u00ednhChi\u1ebft kh\u1ea5u()<\/code> ho\u1eb7c c\u1eadp nh\u1eadtKho()<\/code>.<\/li>\n<\/ul>\n

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

          C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng hi\u1ebfm khi t\u1ed3n t\u1ea1i ri\u00eang l\u1ebb. Ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau. \u0110\u00e2y l\u00e0 l\u00fac s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean m\u1ea1nh m\u1ebd. B\u1ea1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c l\u1edbp k\u1ebft n\u1ed1i v\u1edbi nhau. C\u00f3 b\u1ed1n lo\u1ea1i m\u1ed1i quan h\u1ec7 ch\u00ednh c\u1ea7n xem x\u00e9t:<\/p>\n

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          1. Li\u00ean k\u1ebft:<\/strong> M\u1ed9t li\u00ean k\u1ebft chung gi\u1eefa hai l\u1edbp.<\/li>\n
          2. T\u1ed5 h\u1ee3p:<\/strong>M\u1ed9t m\u1ed1i quan h\u1ec7 \u201cc\u00f3-m\u1ed9t\u201d trong \u0111\u00f3 c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp.<\/li>\n
          3. Th\u00e0nh ph\u1ea7n:<\/strong>M\u1ed9t m\u1ed1i quan h\u1ec7 \u201cc\u00f3-m\u1ed9t\u201d m\u1ea1nh m\u1ebd trong \u0111\u00f3 c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3.<\/li>\n
          4. K\u1ebf th\u1eeba:<\/strong>M\u1ed9t m\u1ed1i quan h\u1ec7 \u201cl\u00e0-m\u1ed9t\u201d trong \u0111\u00f3 m\u1ed9t l\u1edbp m\u1edf r\u1ed9ng l\u1edbp kh\u00e1c.<\/li>\n<\/ol>\n

            B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh t\u00ednh b\u1ed9i s\u1ed1<\/h3>\n

            C\u00e1c m\u1ed1i quan h\u1ec7 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 c\u00f3 hay kh\u00f4ng. Ch\u00fang mang t\u00ednh \u0111\u1ecbnh l\u01b0\u1ee3ng. C\u00f3 bao nhi\u00eau \u0111\u1ed1i t\u01b0\u1ee3ng tham gia? \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng t\u00ednh b\u1ed9i s\u1ed1.<\/p>\n\n\n\n\n\n\n\n\n
            K\u00fd hi\u1ec7u<\/th>\n\u00dd ngh\u0129a<\/th>\nV\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n
            1<\/td>\nCh\u00ednh x\u00e1c m\u1ed9t<\/td>\nM\u1ed9t H\u1ed9 chi\u1ebfu<\/code> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi ch\u00ednh x\u00e1c m\u1ed9t Ng\u01b0\u1eddi<\/code>.<\/td>\n<\/tr>\n
            0..1<\/td>\nKh\u00f4ng ho\u1eb7c m\u1ed9t<\/td>\nM\u1ed9t Ng\u01b0\u1eddi<\/code> c\u00f3 th\u1ec3 c\u00f3 kh\u00f4ng ho\u1eb7c m\u1ed9t V\u1ee3\/ch\u1ed3ng<\/code>.<\/td>\n<\/tr>\n
            1..*<\/td>\nM\u1ed9t ho\u1eb7c nhi\u1ec1u<\/td>\nM\u1ed9t C\u1eeda h\u00e0ng<\/code> c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u Nh\u00e2n vi\u00ean<\/code>.<\/td>\n<\/tr>\n
            0..*<\/td>\nKh\u00f4ng ho\u1eb7c nhi\u1ec1u<\/td>\nM\u1ed9t C\u1eeda h\u00e0ng<\/code> c\u00f3 th\u1ec3 c\u00f3 kh\u00f4ng ho\u1eb7c nhi\u1ec1u K\u1ec7<\/code>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u00c1p d\u1ee5ng cardinality \u0111\u00fang c\u00e1ch s\u1ebd ng\u0103n ng\u1eeba l\u1ed7i logic sau n\u00e0y. N\u1ebfu b\u1ea1n \u0111\u1ecbnh ngh\u0129a m\u1ed1i quan h\u1ec7 l\u00e0 1:1 nh\u01b0ng m\u00e3 c\u1ee7a b\u1ea1n x\u1eed l\u00fd 1:N, b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ea5u tr\u00fac.<\/p>\n

            Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang \u26a0\ufe0f<\/h2>\n

            Ngay c\u1ea3 nh\u1eefng nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m. Khi l\u00e0m d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p, \u00e1p l\u1ef1c ph\u1ea3i ho\u00e0n th\u00e0nh c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng c\u00e1ch l\u00e0m t\u1eaft. H\u00e3y c\u1ea3nh gi\u00e1c tr\u01b0\u1edbc nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn n\u00e0y.<\/p>\n

            1. Thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c<\/h3>\n

            R\u1ea5t c\u00e1m d\u1ed7 khi t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p ph\u1ee9c t\u1ea1p \u0111\u1ec3 th\u1ec3 hi\u1ec7n ki\u1ebfn th\u1ee9c. H\u00e3y tr\u00e1nh \u0111i\u1ec1u n\u00e0y. N\u1ebfu m\u1ed9t m\u1ed1i quan h\u1ec7 \u0111\u01a1n gi\u1ea3n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, \u0111\u1eebng \u00e9p bu\u1ed9c t\u00ednh k\u1ebf th\u1eeba. L\u1edbp chung chung Ph\u01b0\u01a1ng ti\u1ec7n<\/code> c\u00f3 v\u1ebb h\u1eefu \u00edch, nh\u01b0ng n\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n ch\u1ec9 x\u1eed l\u00fd v\u1edbi Xe h\u01a1i<\/code> v\u00e0 Xe t\u1ea3i<\/code>, v\u00e0 ch\u00fang kh\u00f4ng c\u00f3 logic chung, h\u00e3y t\u00e1ch ch\u00fang ra. Gi\u1eef thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n.<\/p>\n

            2. B\u1ecf qua quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean<\/h3>\n

            M\u1ed9t s\u01a1 \u0111\u1ed3 s\u1ebd kh\u00f3 \u0111\u1ecdc n\u1ebfu t\u00ean kh\u00f4ng nh\u1ea5t qu\u00e1n. \u0110\u1eebng tr\u1ed9n l\u1eabn userList<\/code> v\u1edbi UserArray<\/code>. H\u00e3y tu\u00e2n theo m\u1ed9t quy chu\u1ea9n duy nh\u1ea5t. S\u1ef1 r\u00f5 r\u00e0ng n\u00e0y s\u1ebd gi\u00fap b\u1ea1n khi chuy\u1ec3n \u0111\u1ed5i s\u01a1 \u0111\u1ed3 sang m\u00e3 ngu\u1ed3n. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1eb7t t\u00ean cho m\u1ed9t l\u1edbp, \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u b\u1ea1n ch\u01b0a hi\u1ec3u r\u00f5 tr\u00e1ch nhi\u1ec7m c\u1ee7a n\u00f3.<\/p>\n

            3. Ph\u1ee5 thu\u1ed9c v\u00f2ng tr\u00f2n<\/h3>\n

            \u0110\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng t\u1ea1o ra c\u00e1c m\u1ed1i quan h\u1ec7 v\u00f2ng tr\u00f2n n\u01a1i Class A c\u1ea7n Class B, v\u00e0 Class B c\u1ea7n Class A \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y khi kh\u1edfi t\u1ea1o. N\u1ebfu b\u1ea1n th\u1ea5y \u0111i\u1ec1u n\u00e0y, h\u00e3y t\u00ecm m\u1ed9t l\u1edbp trung gian ho\u1eb7c t\u00e1i c\u1ea5u tr\u00fac thi\u1ebft k\u1ebf.<\/p>\n

            4. Thi\u1ebfu thu\u1ed9c t\u00ednh<\/h3>\n

            M\u1ed9t l\u1edbp kh\u00f4ng c\u00f3 thu\u1ed9c t\u00ednh th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u m\u00e3 ngu\u1ed3n c\u00f3 v\u1ea5n \u0111\u1ec1. N\u1ebfu m\u1ed9t l\u1edbp c\u00f3 ph\u01b0\u01a1ng th\u1ee9c nh\u01b0ng kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u, c\u00f3 th\u1ec3 n\u00f3 l\u00e0 m\u1ed9t l\u1edbp ti\u1ec7n \u00edch. L\u1edbp ti\u1ec7n \u00edch l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn, nh\u01b0ng ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd kh\u00e1c bi\u1ec7t trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n. N\u1ebfu n\u00f3 l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng mi\u1ec1n, n\u00f3 ph\u1ea3i l\u01b0u tr\u1eef tr\u1ea1ng th\u00e1i.<\/p>\n

            T\u1eeb s\u01a1 \u0111\u1ed3 \u0111\u1ebfn m\u00e3 ngu\u1ed3n: Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai \ud83d\ude80<\/h2>\n

            Giai \u0111o\u1ea1n cu\u1ed1i c\u00f9ng l\u00e0 chuy\u1ec3n \u0111\u1ed5i thi\u1ebft k\u1ebf tr\u1ef1c quan c\u1ee7a b\u1ea1n th\u00e0nh m\u00e3 ngu\u1ed3n th\u1ef1c thi \u0111\u01b0\u1ee3c. \u0110\u00e2y ch\u00ednh l\u00e0 n\u01a1i l\u00fd thuy\u1ebft g\u1eb7p th\u1ef1c ti\u1ec5n. H\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c gi\u1eefa s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u00e0 m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n.<\/p>\n

            1. B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c l\u1edbp c\u1ed1t l\u00f5i<\/h3>\n

            \u0110\u1eebng x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng tr\u01b0\u1edbc. H\u00e3y x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u. T\u1ea1o c\u00e1c l\u1edbp \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n. Th\u1ef1c hi\u1ec7n c\u00e1c thu\u1ed9c t\u00ednh tr\u01b0\u1edbc, sau \u0111\u00f3 m\u1edbi \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng th\u1ee9c. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o n\u1ec1n t\u1ea3ng c\u1ee7a \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 v\u1eefng ch\u1eafc.<\/p>\n

            2. Th\u1ef1c thi t\u00ednh kh\u1ea3 ki\u1ebfn<\/h3>\n

            S\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u kh\u1ea3 ki\u1ebfn t\u1eeb s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n trong m\u00e3 ngu\u1ed3n. N\u1ebfu m\u1ed9t thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u v\u1edbi “-<\/code> (ri\u00eang t\u01b0), \u0111\u1eebng l\u00e0m n\u00f3 c\u00f4ng khai trong ng\u00f4n ng\u1eef b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u00f3ng g\u00f3i m\u00e0 b\u1ea1n \u0111\u00e3 l\u00ean k\u1ebf ho\u1ea1ch.<\/p>\n

            3. X\u00e1c minh c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

            Ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i quan h\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi s\u01a1 \u0111\u1ed3. N\u1ebfu s\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 m\u1ed9t-nhi\u1ec1u gi\u1eefaSinh vi\u00ean<\/code> v\u00e0 Kh\u00f3a h\u1ecdc<\/code>, m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n ph\u1ea3i ph\u1ea3n \u00e1nh \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng danh s\u00e1ch ho\u1eb7c b\u1ed9 s\u01b0u t\u1eadp, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t tham chi\u1ebfu duy nh\u1ea5t.<\/p>\n

            4. X\u1eed l\u00fd k\u1ebf th\u1eeba c\u1ea9n tr\u1ecdng<\/h3>\n

            N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng k\u1ebf th\u1eeba, h\u00e3y \u0111\u1ea3m b\u1ea3o c\u00e1c l\u1edbp con ch\u1ec9 th\u00eam c\u00e1c h\u00e0nh vi c\u1ee5 th\u1ec3. Ch\u00fang kh\u00f4ng n\u00ean ghi \u0111\u00e8 ch\u1ee9c n\u0103ng thu\u1ed9c v\u1ec1 l\u1edbp cha tr\u1eeb khi c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n.<\/p>\n

            Tinh ch\u1ec9nh v\u00e0 x\u00e1c minh thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n \ud83d\udd0d<\/h2>\n

            Sau khi m\u00e3 ngu\u1ed3n \u0111\u01b0\u1ee3c vi\u1ebft xong, h\u00e3y quay l\u1ea1i s\u01a1 \u0111\u1ed3. M\u00e3 ngu\u1ed3n c\u00f3 kh\u1edbp v\u1edbi thi\u1ebft k\u1ebf kh\u00f4ng? Th\u01b0\u1eddng xuy\u00ean trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai, b\u1ea1n nh\u1eadn ra m\u1ed9t t\u00ednh n\u0103ng b\u1ecb thi\u1ebfu ho\u1eb7c m\u1ed9t m\u1ed1i quan h\u1ec7 qu\u00e1 ph\u1ee9c t\u1ea1p. \u0110i\u1ec1u n\u00e0y l\u00e0 b\u00ecnh th\u01b0\u1eddng. C\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ef1c t\u1ebf c\u1ee7a m\u00e3 ngu\u1ed3n. M\u1ed9t s\u01a1 \u0111\u1ed3 t\u0129nh kh\u00f4ng kh\u1edbp v\u1edbi ph\u1ea7n m\u1ec1m c\u00f2n t\u1ec7 h\u01a1n c\u1ea3 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u00e0o.<\/p>\n

            B\u1ea3ng ki\u1ec3m x\u00e1c minh<\/h3>\n
              \n
            • \u0110\u1ea7y \u0111\u1ee7:<\/strong>T\u1ea5t c\u1ea3 c\u00e1c l\u1edbp trong s\u01a1 \u0111\u1ed3 c\u00f3 hi\u1ec7n di\u1ec7n trong m\u00e3 ngu\u1ed3n kh\u00f4ng?<\/li>\n
            • \u0110\u1ed9 ch\u00ednh x\u00e1c:<\/strong>C\u00e1c k\u00fd hi\u1ec7u ph\u01b0\u01a1ng th\u1ee9c c\u00f3 kh\u1edbp v\u1edbi s\u01a1 \u0111\u1ed3 kh\u00f4ng?<\/li>\n
            • T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>C\u00e1c m\u1ed1i quan h\u1ec7 trong m\u00e3 ngu\u1ed3n c\u00f3 gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1ee3c v\u1ebd kh\u00f4ng?<\/li>\n
            • T\u00ednh d\u1ec5 \u0111\u1ecdc:<\/strong>C\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n c\u00f3 h\u1ee3p l\u00fd d\u1ef1a tr\u00ean s\u01a1 \u0111\u1ed3 kh\u00f4ng?<\/li>\n<\/ul>\n

              N\u1ebfu b\u1ea1n ph\u00e1t hi\u1ec7n s\u1ef1 kh\u00e1c bi\u1ec7t, h\u00e3y ghi ch\u00e9p l\u1ea1i c\u00e1c thay \u0111\u1ed5i. \u0110i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng \u2013 m\u1ed9t k\u1ef9 n\u0103ng quan tr\u1ecdng trong \u0111\u00e1nh gi\u00e1 \u0111\u1ed3 \u00e1n t\u1ed1t nghi\u1ec7p. N\u00f3 ch\u1ee9ng minh r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean ph\u1ea3n h\u1ed3i v\u00e0 ki\u1ec3m th\u1eed.<\/p>\n

              C\u00e1c c\u00e2n nh\u1eafc n\u00e2ng cao cho c\u00e1c d\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p \ud83e\udde0<\/h2>\n

              N\u1ebfu \u0111\u1ed3 \u00e1n c\u1ee7a b\u1ea1n \u0111\u1eb7c bi\u1ec7t l\u1edbn ho\u1eb7c ph\u1ee9c t\u1ea1p, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n m\u1edf r\u1ed9ng k\u1ef9 n\u0103ng v\u1ebd s\u01a1 \u0111\u1ed3 l\u1edbp. H\u00e3y c\u00e2n nh\u1eafc c\u00e1c m\u1eabu n\u00e2ng cao sau \u0111\u00e2y.<\/p>\n

              1. L\u1edbp tr\u1eebu t\u01b0\u1ee3ng v\u00e0 giao di\u1ec7n<\/h3>\n

              S\u1eed d\u1ee5ng c\u00e1c l\u1edbp tr\u1eebu t\u01b0\u1ee3ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac chung cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 m\u00e0 kh\u00f4ng c\u1ea7n tri\u1ec3n khai logic ngay l\u1eadp t\u1ee9c. S\u1eed d\u1ee5ng giao di\u1ec7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u1ea3 n\u0103ng m\u00e0 c\u00e1c l\u1edbp kh\u00e1c nhau c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u00e1ch bi\u1ec7t h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n

              2. Ph\u01b0\u01a1ng th\u1ee9c v\u00e0 thu\u1ed9c t\u00ednh t\u0129nh<\/h3>\n

              M\u1ed9t s\u1ed1 d\u1eef li\u1ec7u thu\u1ed9c v\u1ec1 l\u1edbp, ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u1ec3 hi\u1ec7n. V\u00ed d\u1ee5, m\u1ed9t b\u1ed9 \u0111\u1ebfm cho t\u1ed5ng s\u1ed1 ng\u01b0\u1eddi d\u00f9ng. Tr\u00ecnh b\u00e0y r\u00f5 r\u00e0ng nh\u1eefng \u0111i\u1ec1u n\u00e0y trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ea1ch ch\u00e2n ho\u1eb7c \u0111\u00e1nh d\u1ea5u ri\u00eang bi\u1ec7t, \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn khi l\u1eadp tr\u00ecnh.<\/p>\n

              3. T\u1ed5 ch\u1ee9c g\u00f3i<\/h3>\n

              C\u00e1c d\u1ef1 \u00e1n l\u1edbn c\u00f3 nhi\u1ec1u l\u1edbp. Nh\u00f3m ch\u00fang l\u1ea1i th\u00e0nh c\u00e1c g\u00f3i ho\u1eb7c kh\u00f4ng gian t\u00ean. S\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c nh\u00f3m n\u00e0y b\u1eb1ng c\u00e1c h\u1ed9p con. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed5 ch\u1ee9c c\u1ea5u tr\u00fac t\u1ec7p tin c\u1ee7a b\u1ea1n.<\/p>\n

              Nh\u1eefng c\u00e2n nh\u1eafc cu\u1ed1i c\u00f9ng \ud83c\udf1f<\/h2>\n

              \u00c1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0o m\u1ed9t d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u01b0\u1ee3t qua \u0111i\u1ec3m s\u1ed1. \u0110\u00f3 l\u00e0 vi\u1ec7c h\u00ecnh th\u00e0nh th\u00f3i quen thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi l\u1eadp tr\u00ecnh. Th\u00f3i quen n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian trong d\u00e0i h\u1ea1n. Gi\u1ea3m thi\u1ec3u l\u1ed7i. L\u00e0m cho vi\u1ec7c h\u1ee3p t\u00e1c d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

              H\u00e3y nh\u1edb r\u1eb1ng m\u1ed9t s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u s\u1ed1ng. N\u00f3 s\u1ebd thay \u0111\u1ed5i khi b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh. \u0110\u1eebng s\u1ee3 ph\u1ea3i v\u1ebd l\u1ea1i. \u0110\u1eebng s\u1ee3 x\u00f3a b\u1ecf m\u1ed9t l\u1edbp kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p. M\u1ee5c ti\u00eau l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u00f4ng ho\u00e0n h\u1ea3o tr\u00ean gi\u1ea5y.<\/p>\n

              B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c n\u00eau \u1edf \u0111\u00e2y, b\u1ea1n \u0111ang trang b\u1ecb cho b\u1ea3n th\u00e2n m\u1ed9t quy tr\u00ecnh chuy\u00ean nghi\u1ec7p. B\u1ea1n \u0111ang chuy\u1ec3n t\u1eeb m\u1ed9t ng\u01b0\u1eddi l\u1eadp tr\u00ecnh sang m\u1ed9t k\u1ef9 s\u01b0. S\u1ef1 thay \u0111\u1ed5i trong c\u00e1ch nh\u00ecn n\u00e0y ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 c\u1ee7a d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p c\u1ee7a b\u1ea1n. S\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng b\u1ec1n v\u1eefng, r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n

              Ch\u00fac may m\u1eafn v\u1edbi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. B\u1ea3n th\u00e2n t\u01b0\u01a1ng lai c\u1ee7a b\u1ea1n s\u1ebd c\u1ea3m \u01a1n b\u1ea1n v\u00ec th\u1eddi gian \u0111\u00e3 \u0111\u1ea7u t\u01b0 v\u00e0o vi\u1ec7c l\u00ean k\u1ebf ho\u1ea1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"

              Tham gia m\u1ed9t d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p l\u00e0 m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng trong h\u00e0nh tr\u00ecnh h\u1ecdc thu\u1eadt v\u00e0 ngh\u1ec1 nghi\u1ec7p c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 kho\u1ea3nh kh\u1eafc ki\u1ebfn th\u1ee9c tr\u1eebu…<\/p>\n","protected":false},"author":1,"featured_media":1111,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u00c1p d\u1ee5ng S\u01a1 \u0111\u1ed3 L\u1edbp v\u00e0o D\u1ef1 \u00e1n T\u1ed1t nghi\u1ec7p: M\u1ed9t H\u01b0\u1edbng d\u1eabn Th\u1ef1c t\u1ebf","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0o d\u1ef1 \u00e1n t\u1ed1t nghi\u1ec7p \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n. 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