{"id":1162,"date":"2026-04-08T07:11:46","date_gmt":"2026-04-07T23:11:46","guid":{"rendered":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/"},"modified":"2026-04-08T07:11:46","modified_gmt":"2026-04-07T23:11:46","slug":"aggregation-composition-composite-structure-diagrams","status":"publish","type":"post","link":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/","title":{"rendered":"Vai tr\u00f2 c\u1ee7a Aggregation v\u00e0 Composition trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n: M\u1ed9t gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng"},"content":{"rendered":"<p>M\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. Khi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n v\u1ebd ra c\u00e1c c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p, c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd x\u00e1c \u0111\u1ecbnh c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, m\u1edf r\u1ed9ng v\u00e0 t\u1ed3n t\u1ea1i tr\u01b0\u1edbc nh\u1eefng thay \u0111\u1ed5i. Hai lo\u1ea1i m\u1ed1i quan h\u1ec7 c\u1ee5 th\u1ec3 th\u01b0\u1eddng g\u00e2y nh\u1ea7m l\u1eabn trong c\u00e1c s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p: Aggregation v\u00e0 Composition. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 b\u1ed9 ph\u1eadn-to\u00e0n th\u1ec3, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang quy\u1ebft \u0111\u1ecbnh quy\u1ec1n s\u1edf h\u1eefu, qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ee5 thu\u1ed9c.<\/p>\n<p>Hi\u1ec3u r\u00f5 nh\u1eefng s\u1eafc th\u00e1i n\u00e0y kh\u00f4ng ch\u1ec9 mang t\u00ednh h\u1ecdc thu\u1eadt. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, c\u00e1ch l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 m\u1ee9c \u0111\u1ed9 g\u1eafn k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng con kh\u00e1c nhau. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m c\u1ea5u tr\u00fac n\u00e0y, v\u01b0\u1ee3t ra ngo\u00e0i \u0111\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n \u0111\u1ec3 kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng th\u1ef1c ti\u1ec5n c\u1ee7a ch\u00fang trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n<figure class=\"wp-block-image aligncenter\"><img alt=\"Child's drawing style infographic comparing Aggregation and Composition in UML Composite Structure Diagrams: left side shows Aggregation with a stick-figure team and players (open diamond symbol, shared ownership, independent lifecycle); right side shows Composition with a crayon house and rooms (filled diamond symbol, exclusive ownership, dependent lifecycle); center features a simple comparison table and decision flowchart explaining when to use each relationship type in system design\" decoding=\"async\" src=\"https:\/\/flavorfiesta.foodiesconnect.net\/wp-content\/uploads\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg\"\/><\/figure>\n<h2>\ud83c\udfd7\ufe0f N\u1ec1n t\u1ea3ng: S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p<\/h2>\n<p>S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p minh h\u1ecda c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. N\u00f3 cho th\u1ea5y b\u1ed9 ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n l\u1ed3ng gh\u00e9p v\u00e0 c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau th\u00f4ng qua c\u00e1c c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i. Trong b\u1ed1i c\u1ea3nh c\u1ea5u tr\u00fac b\u00ean trong n\u00e0y, c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft v\u1edbi to\u00e0n th\u1ec3 c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng.<\/p>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p. B\u1ea1n c\u00f3 m\u1ed9t \u0111\u01a1n v\u1ecb trung t\u00e2m, v\u00e0 b\u1ea1n g\u1eafn c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n v\u00e0o n\u00f3. \u0110\u00f4i khi, n\u1ebfu \u0111\u01a1n v\u1ecb trung t\u00e2m b\u1ecb ph\u00e1 h\u1ee7y, c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n v\u1eabn t\u1ed3n t\u1ea1i. Nh\u01b0ng \u0111\u00f4i khi, n\u1ebfu \u0111\u01a1n v\u1ecb trung t\u00e2m b\u1ecb ph\u00e1 h\u1ee7y, c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n c\u0169ng bi\u1ebfn m\u1ea5t. S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y ch\u00ednh l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Aggregation v\u00e0 Composition.<\/p>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p<\/strong> t\u1eadp trung v\u00e0o ki\u1ebfn tr\u00fac b\u00ean trong.<\/li>\n<li><strong>M\u1ed1i quan h\u1ec7 b\u1ed9 ph\u1eadn-to\u00e0n th\u1ec3<\/strong> x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c m\u1ea3nh b\u00ean trong n\u00e0y k\u1ebft n\u1ed1i v\u1edbi nhau.<\/li>\n<li><strong>Quy\u1ec1n s\u1edf h\u1eefu<\/strong> x\u00e1c \u0111\u1ecbnh ai l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 v\u00f2ng \u0111\u1eddi c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n<\/ul>\n<h2>\ud83e\udd1d Aggregation: M\u1ed1i quan h\u1ec7 b\u1ed9 ph\u1eadn-to\u00e0n th\u1ec3 y\u1ebfu<\/h2>\n<p>Aggregation bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 trong \u0111\u00f3 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng (to\u00e0n th\u1ec3) ch\u1ee9a ho\u1eb7c tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c (b\u1ed9 ph\u1eadn), nh\u01b0ng b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp. M\u1ed1i quan h\u1ec7 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 m\u1ed1i quan h\u1ec7 &#8220;chia s\u1ebb&#8221; ho\u1eb7c &#8220;y\u1ebfu&#8221;. Trong t\u00ecnh hu\u1ed1ng n\u00e0y, v\u00f2ng \u0111\u1eddi c\u1ee7a b\u1ed9 ph\u1eadn kh\u00f4ng b\u1ecb r\u00e0ng bu\u1ed9c ch\u1eb7t ch\u1ebd v\u1edbi v\u00f2ng \u0111\u1eddi c\u1ee7a to\u00e0n th\u1ec3.<\/p>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a Aggregation<\/h3>\n<ul>\n<li><strong>\u0110\u1ed9c l\u1eadp:<\/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<li><strong>Quy\u1ec1n s\u1edf h\u1eefu chung:<\/strong> B\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 thu\u1ed9c v\u1ec1 nhi\u1ec1u to\u00e0n th\u1ec3 c\u00f9ng l\u00fac.<\/li>\n<li><strong>K\u1ebft n\u1ed1i y\u1ebfu:<\/strong> Nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi to\u00e0n th\u1ec3 kh\u00f4ng nh\u1ea5t thi\u1ebft \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a b\u1ed9 ph\u1eadn.<\/li>\n<li><strong>H\u01b0\u1edbng:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng v\u1edbi h\u00ecnh thoi m\u1edf \u1edf \u0111\u1ea7u to\u00e0n th\u1ec3.<\/li>\n<\/ul>\n<p>H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng li\u00ean quan \u0111\u1ebfn m\u1ed9t tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc v\u00e0 c\u00e1c khoa c\u1ee7a n\u00f3. M\u1ed9t khoa t\u1ed3n t\u1ea1i trong c\u1ea5u tr\u00fac c\u1ee7a tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc. Tuy nhi\u00ean, n\u1ebfu tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc \u0111\u00f3ng c\u1eeda m\u1ed9t t\u00f2a nh\u00e0 c\u1ee5 th\u1ec3, \u0111\u1ed1i t\u01b0\u1ee3ng khoa c\u00f3 th\u1ec3 v\u1eabn t\u1ed3n t\u1ea1i trong c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c b\u1ed9 nh\u1edb v\u00ec m\u1ee5c \u0111\u00edch l\u01b0u tr\u1eef, ho\u1eb7c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c giao cho m\u1ed9t \u0111\u01a1n v\u1ecb h\u00e0nh ch\u00ednh kh\u00e1c. Ch\u00ednh x\u00e1c h\u01a1n, h\u00e3y xem x\u00e9t m\u1ed9t \u0111\u1ed9i b\u00f3ng v\u00e0 c\u00e1c c\u1ea7u th\u1ee7 c\u1ee7a n\u00f3. N\u1ebfu m\u1ed9t \u0111\u1ed9i tan r\u00e3, c\u00e1c c\u1ea7u th\u1ee7 v\u1eabn t\u1ed3n t\u1ea1i nh\u01b0 nh\u1eefng c\u00e1 nh\u00e2n. H\u1ecd c\u00f3 th\u1ec3 tham gia m\u1ed9t \u0111\u1ed9i kh\u00e1c. C\u00e1c c\u1ea7u th\u1ee7 kh\u00f4ng thu\u1ed9c s\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n c\u1ee7a \u0111\u1ed9i b\u00f3ng v\u1ec1 m\u1eb7t v\u00f2ng \u0111\u1eddi nghi\u00eam ng\u1eb7t.<\/p>\n<h3>\ud83e\udde9 H\u1eadu qu\u1ea3 khi tri\u1ec3n khai<\/h3>\n<p>Khi m\u00f4 h\u00ecnh h\u00f3a Aggregation, b\u1ea1n c\u00f4ng nh\u1eadn m\u1ed9t m\u1ed1i ph\u1ee5 thu\u1ed9c, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed1i ph\u1ee5 thu\u1ed9c t\u1ea1o l\u1eadp. M\u00e3 ho\u1eb7c logic qu\u1ea3n l\u00fd &#8220;to\u00e0n th\u1ec3&#8221; kh\u00f4ng c\u1ea7n ph\u1ea3i kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng &#8220;b\u1ed9 ph\u1eadn&#8221;. B\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o, truy\u1ec1n nh\u01b0 tham s\u1ed1, ho\u1eb7c truy xu\u1ea5t t\u1eeb m\u1ed9t kho chung. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a logic kh\u1edfi t\u1ea1o.<\/p>\n<p>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh li\u00ean quan \u0111\u1ebfn tri\u1ec3n khai:<\/p>\n<ul>\n<li><strong>Kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o constructor:<\/strong> B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ea1o b\u1ed9 ph\u1eadn b\u00ean trong constructor c\u1ee7a to\u00e0n th\u1ec3.<\/li>\n<li><strong>Truy\u1ec1n tham chi\u1ebfu<\/strong> To\u00e0n b\u1ed9 gi\u1eef m\u1ed9t tham chi\u1ebfu (con tr\u1ecf ho\u1eb7c ID) \u0111\u1ebfn b\u1ed9 ph\u1eadn.<\/li>\n<li><strong>Thu gom r\u00e1c:<\/strong> Vi\u1ec7c ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t vi\u1ec7c ph\u00e1 h\u1ee7y b\u1ed9 ph\u1eadn.<\/li>\n<\/ul>\n<h2>\ud83d\udca5 K\u1ebft h\u1ee3p: M\u1ed1i quan h\u1ec7 m\u1ea1nh m\u1ebd gi\u1eefa b\u1ed9 ph\u1eadn v\u00e0 to\u00e0n b\u1ed9<\/h2>\n<p>K\u1ebft h\u1ee3p \u0111\u1ea1i di\u1ec7n cho m\u1ed9t h\u00ecnh th\u1ee9c m\u1ea1nh h\u01a1n c\u1ee7a s\u1ef1 t\u00edch h\u1ee3p. N\u00f3 ng\u1ee5 \u00fd quy\u1ec1n s\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n. B\u1ed9 ph\u1eadn l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a to\u00e0n b\u1ed9, v\u00e0 v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3 b\u1ecb r\u00e0ng bu\u1ed9c ch\u1eb7t ch\u1ebd v\u1edbi v\u00f2ng \u0111\u1eddi c\u1ee7a to\u00e0n b\u1ed9. N\u1ebfu to\u00e0n b\u1ed9 b\u1ecb ph\u00e1 h\u1ee7y, c\u00e1c b\u1ed9 ph\u1eadn c\u0169ng s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y theo.<\/p>\n<h3>\ud83d\udd0d \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a k\u1ebft h\u1ee3p<\/h3>\n<ul>\n<li><strong>Ph\u1ee5 thu\u1ed9c:<\/strong> B\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n b\u1ed9.<\/li>\n<li><strong>Quy\u1ec1n s\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n:<\/strong> M\u1ed9t b\u1ed9 ph\u1eadn ch\u1ec9 thu\u1ed9c v\u1ec1 m\u1ed9t to\u00e0n b\u1ed9 duy nh\u1ea5t v\u00e0o m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/li>\n<li><strong>Li\u00ean k\u1ebft m\u1ea1nh:<\/strong> Vi\u1ec7c t\u1ea1o ra v\u00e0 ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 quy\u1ebft \u0111\u1ecbnh vi\u1ec7c t\u1ea1o ra v\u00e0 ph\u00e1 h\u1ee7y b\u1ed9 ph\u1eadn.<\/li>\n<li><strong>H\u01b0\u1edbng:<\/strong> \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng v\u1edbi h\u00ecnh kim c\u01b0\u01a1ng \u0111\u1ea7y m\u00e0u \u1edf \u0111\u1ea7u to\u00e0n b\u1ed9.<\/li>\n<\/ul>\n<p>H\u00e3y ngh\u0129 \u0111\u1ebfn m\u1ed9t ng\u00f4i nh\u00e0 v\u00e0 c\u00e1c ph\u00f2ng c\u1ee7a n\u00f3. M\u1ed9t ph\u00f2ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a ng\u00f4i nh\u00e0. N\u1ebfu ng\u00f4i nh\u00e0 b\u1ecb ph\u00e1 h\u1ee7y, c\u00e1c ph\u00f2ng s\u1ebd kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i nh\u01b0 nh\u1eefng th\u1ef1c th\u1ec3 ch\u1ee9c n\u0103ng trong b\u1ed1i c\u1ea3nh \u0111\u00f3. B\u1ea1n kh\u00f4ng th\u1ec3 di chuy\u1ec3n m\u1ed9t ph\u00f2ng t\u1eeb ng\u00f4i nh\u00e0 n\u00e0y sang ng\u00f4i nh\u00e0 kh\u00e1c m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i b\u1ea3n ch\u1ea5t danh t\u00ednh c\u1ee7a n\u00f3. T\u01b0\u01a1ng t\u1ef1, h\u00e3y xem x\u00e9t m\u1ed9t chi\u1ebfc xe h\u01a1i v\u00e0 \u0111\u1ed9ng c\u01a1 c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e1o ra \u0111\u1ec3 s\u1eeda ch\u1eefa, nh\u01b0ng trong b\u1ed1i c\u1ea3nh s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a chi\u1ebfc xe, phi\u00ean b\u1ea3n \u0111\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3 \u0111\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi. N\u1ebfu chi\u1ebfc xe b\u1ecb th\u00e1o d\u1ee1, c\u1ea5u h\u00ecnh \u0111\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3 \u0111\u00f3 g\u1ea7n nh\u01b0 bi\u1ebfn m\u1ea5t.<\/p>\n<h3>\ud83e\udde9 H\u1eadu qu\u1ea3 khi tri\u1ec3n khai<\/h3>\n<p>Khi m\u00f4 h\u00ecnh h\u00f3a k\u1ebft h\u1ee3p, to\u00e0n b\u1ed9 ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a b\u1ed9 ph\u1eadn. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 vi\u1ec7c kh\u1edfi t\u1ea1o b\u00ean trong to\u00e0n b\u1ed9.<\/p>\n<ul>\n<li><strong>Ph\u1ee5 thu\u1ed9c v\u00e0o h\u00e0m t\u1ea1o:<\/strong> To\u00e0n b\u1ed9 th\u01b0\u1eddng t\u1ea1o ra b\u1ed9 ph\u1eadn trong qu\u00e1 tr\u00ecnh kh\u1edfi t\u1ea1o c\u1ee7a n\u00f3.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean:<\/strong> To\u00e0n b\u1ed9 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t cho b\u1ed9 ph\u1eadn s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng khi to\u00e0n b\u1ed9 b\u1ecb ph\u00e1 h\u1ee7y.<\/li>\n<li><strong>\u0110\u1ed3ng b\u1ed9 h\u00f3a v\u00f2ng \u0111\u1eddi:<\/strong> B\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa nhi\u1ec1u to\u00e0n b\u1ed9.<\/li>\n<\/ul>\n<h2>\u2696\ufe0f So s\u00e1nh chi ti\u1ebft gi\u1eefa t\u00edch h\u1ee3p v\u00e0 k\u1ebft h\u1ee3p<\/h2>\n<p>\u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 xem x\u00e9t hai kh\u00e1i ni\u1ec7m n\u00e0y song song v\u1edbi nhau. B\u1ea3ng sau \u0111\u00e2y ph\u00e2n t\u00edch c\u00e1c kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng v\u00e0 v\u1ebd s\u01a1 \u0111\u1ed3.<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>T\u00edch h\u1ee3p<\/th>\n<th>K\u1ebft h\u1ee3p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Quy\u1ec1n s\u1edf h\u1eefu<\/strong><\/td>\n<td>Chia s\u1ebb ho\u1eb7c y\u1ebfu<\/td>\n<td>Lo\u1ea1i tr\u1eeb<\/td>\n<\/tr>\n<tr>\n<td><strong>Chu k\u1ef3 s\u1ed1ng<\/strong><\/td>\n<td>\u0110\u1ed9c l\u1eadp<\/td>\n<td>Ph\u1ee5 thu\u1ed9c<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ea1o ra<\/strong><\/td>\n<td>B\u00ean ngo\u00e0i to\u00e0n b\u1ed9<\/td>\n<td>B\u00ean trong to\u00e0n b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u00e1 h\u1ee7y<\/strong><\/td>\n<td>To\u00e0n b\u1ed9 ch\u1ebft \u2192 B\u1ed9 ph\u1eadn s\u1ed1ng<\/td>\n<td>To\u00e0n b\u1ed9 ch\u1ebft \u2192 B\u1ed9 ph\u1eadn ch\u1ebft<\/td>\n<\/tr>\n<tr>\n<td><strong>Li\u00ean k\u1ebft<\/strong><\/td>\n<td>Li\u00ean k\u1ebft \u0111a chi\u1ec1u l\u00e0 kh\u1ea3 thi<\/td>\n<td>Quy\u1ec1n s\u1edf h\u1eefu m\u1ed9t chi\u1ec1u nghi\u00eam ng\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u00fd hi\u1ec7u<\/strong><\/td>\n<td>Kim c\u01b0\u01a1ng m\u1edf (\u25c7)<\/td>\n<td>Kim c\u01b0\u01a1ng \u0111\u1ea7y (\u25c6)<\/td>\n<\/tr>\n<tr>\n<td><strong>So s\u00e1nh<\/strong><\/td>\n<td>\u0110\u1ed9i nh\u00f3m &amp; Ng\u01b0\u1eddi ch\u01a1i<\/td>\n<td>Ng\u00f4i nh\u00e0 &amp; Ph\u00f2ng \u1ed1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udee0\ufe0f K\u00fd hi\u1ec7u tr\u1ef1c quan trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/h2>\n<p>Trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c k\u1ebft n\u1ed1i c\u1ee5 th\u1ec3 gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i t\u1ea1i c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i. K\u00fd hi\u1ec7u gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ebfn tr\u00fac s\u01b0 hi\u1ec3u nhanh c\u00e1c r\u00e0ng bu\u1ed9c c\u1ea5u tr\u00fac m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc m\u00e3 ngu\u1ed3n.<\/p>\n<ul>\n<li><strong>K\u1ebft n\u1ed1i:<\/strong> M\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng n\u1ed1i ph\u1ea7n ch\u1ee9a v\u1edbi ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ee9a.<\/li>\n<li><strong>Kim c\u01b0\u01a1ng (Aggregation):<\/strong> M\u1ed9t kim c\u01b0\u01a1ng tr\u1ed1ng \u1edf ph\u00eda b\u00ean c\u1ee7a ph\u1ea7n ch\u1ee9a cho th\u1ea5y Aggregation. N\u00f3 cho bi\u1ebft m\u1ed1i quan h\u1ec7 l\u00e0 ki\u1ec3u &#8216;c\u00f3-m\u1ed9t&#8217; m\u00e0 kh\u00f4ng c\u00f3 quy\u1ec1n s\u1edf h\u1eefu nghi\u00eam ng\u1eb7t.<\/li>\n<li><strong>Kim c\u01b0\u01a1ng (Composition):<\/strong> M\u1ed9t kim c\u01b0\u01a1ng \u0111\u1ea7y \u1edf ph\u00eda b\u00ean c\u1ee7a ph\u1ea7n ch\u1ee9a cho th\u1ea5y Composition. N\u00f3 cho bi\u1ebft m\u1ed1i quan h\u1ec7 ki\u1ec3u &#8216;thu\u1ed9c-ph\u1ea7n&#8217; v\u1edbi quy\u1ec1n s\u1edf h\u1eefu nghi\u00eam ng\u1eb7t.<\/li>\n<\/ul>\n<p>M\u1eb7c d\u00f9 c\u00e1c k\u00fd hi\u1ec7u tr\u1ef1c quan l\u00e0 ti\u00eau chu\u1ea9n, nh\u01b0ng c\u00e1ch hi\u1ec3u ph\u1ee5 thu\u1ed9c v\u00e0o \u00fd ngh\u0129a ng\u1eef ngh\u0129a \u0111\u01b0\u1ee3c g\u00e1n trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. M\u1ed9t kim c\u01b0\u01a1ng \u0111\u1ea7y ng\u1ee5 \u00fd m\u1ed9t cam k\u1ebft: &#8216;T\u00f4i ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 cu\u1ed9c s\u1ed1ng c\u1ee7a b\u1ed9 ph\u1eadn n\u00e0y.&#8217;<\/p>\n<h2>\ud83d\udd04 Qu\u1ea3n l\u00fd chu k\u1ef3 s\u1ed1ng v\u00e0 quy t\u1eafc s\u1edf h\u1eefu<\/h2>\n<p>M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y l\u00e0 c\u00e1ch ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chu k\u1ef3 s\u1ed1ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, giao d\u1ecbch c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd t\u00e0i nguy\u00ean.<\/p>\n<h3>\ud83d\uddd1\ufe0f C\u00e1c t\u00ecnh hu\u1ed1ng ph\u00e1 h\u1ee7y<\/h3>\n<p>Khi \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ee9a b\u1ecb lo\u1ea1i b\u1ecf kh\u1ecfi b\u1ed9 nh\u1edb ho\u1eb7c h\u1ec7 th\u1ed1ng:<\/p>\n<ol>\n<li><strong>T\u00ecnh hu\u1ed1ng k\u1ebft h\u1ee3p:<\/strong> H\u1ec7 th\u1ed1ng \u0111\u1ec7 quy ph\u00e1 h\u1ee7y t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p. N\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t t\u00e0i li\u1ec7u g\u1ed3m c\u00e1c trang, vi\u1ec7c x\u00f3a t\u00e0i li\u1ec7u s\u1ebd x\u00f3a t\u1ea5t c\u1ea3 c\u00e1c trang. H\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng c\u1ed1 g\u1eafng l\u01b0u c\u00e1c trang n\u00e0y \u1edf n\u01a1i kh\u00e1c.<\/li>\n<li><strong>T\u00ecnh hu\u1ed1ng t\u1ed5ng h\u1ee3p:<\/strong> H\u1ec7 th\u1ed1ng lo\u1ea1i b\u1ecf tham chi\u1ebfu \u0111\u1ebfn ph\u1ea7n. Ph\u1ea7n v\u1eabn t\u1ed3n t\u1ea1i trong tr\u1ea1ng th\u00e1i h\u1ec7 th\u1ed1ng. H\u1ec7 th\u1ed1ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o ph\u1ea7n kh\u00f4ng b\u1ecb b\u1ecf r\u01a1i theo c\u00e1ch n\u00e0o \u0111\u00f3 l\u00e0m h\u1ecfng t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u, nh\u01b0ng ch\u00ednh ph\u1ea7n \u0111\u00f3 s\u1ebd kh\u00f4ng b\u1ecb ph\u00e1 h\u1ee7y.<\/li>\n<\/ol>\n<h3>\ud83d\udd01 Kh\u1ea3 n\u0103ng g\u00e1n l\u1ea1i<\/h3>\n<p>K\u1ebft h\u1ee3p c\u1ea5m vi\u1ec7c g\u00e1n l\u1ea1i. M\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c di chuy\u1ec3n t\u1eeb to\u00e0n th\u1ec3 n\u00e0y sang to\u00e0n th\u1ec3 kh\u00e1c m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o l\u1ea1i ho\u1eb7c t\u00e1i t\u1ea1o. T\u1ed5ng h\u1ee3p cho ph\u00e9p g\u00e1n l\u1ea1i. M\u1ed9t t\u00e0i nguy\u00ean (nh\u01b0 m\u00e1y in) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1edfi nhi\u1ec1u m\u00e1y t\u00ednh. N\u1ebfu m\u00e1y t\u00ednh A b\u1ecb t\u1eaft, m\u00e1y in v\u1eabn c\u00f3 s\u1eb5n cho m\u00e1y t\u00ednh B.<\/p>\n<h2>\ud83c\udf0d C\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf cho m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac<\/h2>\n<p>\u0110\u1ec3 l\u00e0m r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y, h\u00e3y c\u00f9ng xem x\u00e9t c\u00e1c t\u00ecnh hu\u1ed1ng tr\u1eebu t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p trong c\u00e1c h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng A: H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng<\/h3>\n<p>Trong h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng, m\u1ed9t <strong>\u0110\u01a1n h\u00e0ng<\/strong> ch\u1ee9a <strong>C\u00e1c m\u1ee5c \u0111\u01a1n h\u00e0ng<\/strong>.<\/p>\n<ul>\n<li><strong>M\u1ed1i quan h\u1ec7:<\/strong> K\u1ebft h\u1ee3p.<\/li>\n<li><strong>L\u00fd do:<\/strong> M\u1ed9t m\u1ee5c \u0111\u01a1n h\u00e0ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 \u00fd ngh\u0129a n\u1ebfu kh\u00f4ng c\u00f3 \u0111\u01a1n h\u00e0ng. B\u1ea1n th\u01b0\u1eddng kh\u00f4ng b\u00e1n m\u1ed9t m\u1eb7t h\u00e0ng ri\u00eang l\u1ebb m\u00e0 kh\u00f4ng li\u00ean quan \u0111\u1ebfn b\u1ed1i c\u1ea3nh \u0111\u01a1n h\u00e0ng trong m\u00f4 h\u00ecnh c\u1ee5 th\u1ec3 n\u00e0y. N\u1ebfu \u0111\u01a1n h\u00e0ng b\u1ecb h\u1ee7y (ph\u00e1 h\u1ee7y), c\u00e1c m\u1ee5c \u0111\u01a1n h\u00e0ng li\u00ean quan s\u1ebd b\u1ecb x\u00f3a kh\u1ecfi b\u1ed1i c\u1ea3nh ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>T\u00ecnh hu\u1ed1ng B: Danh b\u1ea1 nh\u00e2n vi\u00ean<\/h3>\n<p>M\u1ed9t <strong>Ph\u00f2ng ban<\/strong> ch\u1ee9a <strong>Nh\u00e2n vi\u00ean<\/strong>.<\/p>\n<ul>\n<li><strong>M\u1ed1i quan h\u1ec7:<\/strong>T\u1ed5ng h\u1ee3p.<\/li>\n<li><strong>L\u00fd do:<\/strong> Nh\u00e2n vi\u00ean t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi ph\u00f2ng ban. H\u1ecd c\u00f3 th\u1ec3 \u0111ang ngh\u1ec9 ph\u00e9p, chuy\u1ec3n c\u00f4ng t\u00e1c ho\u1eb7c b\u1ecb ch\u1ea5m d\u1ee9t h\u1ee3p \u0111\u1ed3ng. N\u1ebfu ph\u00f2ng ban \u0111\u01b0\u1ee3c t\u00e1i c\u1ea5u tr\u00fac, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng nh\u00e2n vi\u00ean v\u1eabn t\u1ed3n t\u1ea1i. M\u1ed1i quan h\u1ec7 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p, ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1edf h\u1eefu.<\/li>\n<\/ul>\n<h3>B\u1ed1i c\u1ea3nh C: Danh m\u1ee5c T\u00e0i ch\u00ednh<\/h3>\n<p>M\u1ed9t <strong>Danh m\u1ee5c<\/strong> s\u1edf h\u1eefu <strong>C\u1ed5 phi\u1ebfu<\/strong>.<\/p>\n<ul>\n<li><strong>M\u1ed1i quan h\u1ec7:<\/strong> T\u1ed5ng h\u1ee3p.<\/li>\n<li><strong>L\u00fd do:<\/strong> M\u1ed9t c\u1ed5 phi\u1ebfu t\u1ed3n t\u1ea1i tr\u00ean th\u1ecb tr\u01b0\u1eddng b\u1ea5t k\u1ec3 danh m\u1ee5c n\u00e0o \u0111ang s\u1edf h\u1eefu n\u00f3. M\u1ed9t th\u1ec3 hi\u1ec7n c\u1ed5 phi\u1ebfu duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tham chi\u1ebfu b\u1edfi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng danh m\u1ee5c. Vi\u1ec7c h\u1ee7y b\u1ecf m\u1ed9t danh m\u1ee5c kh\u00f4ng l\u00e0m m\u1ea5t d\u1eef li\u1ec7u c\u1ed5 phi\u1ebfu.<\/li>\n<\/ul>\n<h2>\ud83d\udea7 Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec3u nh\u1ea7m<\/h2>\n<p>C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf th\u01b0\u1eddng nh\u1ea7m l\u1eabn hai kh\u00e1i ni\u1ec7m n\u00e0y, d\u1eabn \u0111\u1ebfn s\u1ef1 g\u1eafn k\u1ebft ch\u1eb7t ch\u1ebd khi m\u1ee5c ti\u00eau l\u00e0 g\u1eafn k\u1ebft l\u1ecfng l\u1ebbo, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh.<\/p>\n<ul>\n<li><strong>Gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng T\u1ed5ng h\u1ee3p ng\u1ee5 \u00fd vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u:<\/strong> T\u1ed5ng h\u1ee3p x\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7 v\u1ec1 v\u00f2ng \u0111\u1eddi trong m\u00f4 h\u00ecnh. N\u00f3 kh\u00f4ng \u0111\u1ea3m b\u1ea3o x\u00f3a cascading trong c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1eeb khi tri\u1ec3n khai n\u1ec1n t\u1ea3ng bu\u1ed9c th\u1ef1c hi\u1ec7n. Tuy nhi\u00ean, m\u00f4 h\u00ecnh c\u1ea7n ph\u1ea3n \u00e1nh \u00fd \u0111\u1ecbnh.<\/li>\n<li><strong>S\u1eed d\u1ee5ng T\u1ed5ng h\u1ee3p cho t\u00e0i nguy\u00ean chung:<\/strong> N\u1ebfu hai th\u00e0nh ph\u1ea7n c\u1ea7n chia s\u1ebb m\u1ed9t th\u1ec3 hi\u1ec7n duy nh\u1ea5t c\u1ee7a t\u00e0i nguy\u00ean (nh\u01b0 m\u1ed9t b\u1ed9 k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u), th\u00ec T\u1ed5ng h\u1ee3p l\u00e0 sai. H\u00e3y d\u00f9ng T\u1ed5ng h\u1ee3p. T\u1ed5ng h\u1ee3p ng\u0103n c\u1ea3n vi\u1ec7c chia s\u1ebb.<\/li>\n<li><strong>B\u1ecf qua \u0111\u1ecbnh ngh\u0129a \u201cB\u1ed9 ph\u1eadn\u201d:<\/strong> M\u1ed9t \u201cB\u1ed9 ph\u1eadn\u201d trong s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee5 th\u1ec3. N\u1ebfu b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh l\u1edbp, th\u00ec b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a Li\u00ean k\u1ebft L\u1edbp. \u0110\u1ea3m b\u1ea3o b\u1ea1n ph\u00e2n bi\u1ec7t r\u00f5 gi\u1eefa \u0111\u1ecbnh ngh\u0129a l\u1edbp v\u00e0 m\u1ed1i quan h\u1ec7 th\u1ec3 hi\u1ec7n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng T\u1ed5ng h\u1ee3p qu\u00e1 m\u1ee9c:<\/strong> T\u1ed5ng h\u1ee3p t\u1ea1o ra c\u00e1c ph\u1ee5 thu\u1ed9c m\u1ea1nh. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac tr\u1edf n\u00ean kh\u00f3 kh\u0103n. N\u1ebfu b\u1ea1n t\u00edch h\u1ee3p m\u1ed9t Module v\u00e0o \u1ee8ng d\u1ee5ng Ch\u00ednh, v\u00e0 b\u1ea1n c\u1ea7n thay th\u1ebf Module \u0111\u00f3, b\u1ea1n ph\u1ea3i t\u00e1i x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac c\u1ee7a \u1ee8ng d\u1ee5ng Ch\u00ednh. T\u1ed5ng h\u1ee3p cho ph\u00e9p linh ho\u1ea1t h\u01a1n.<\/li>\n<\/ul>\n<h2>\ud83d\udcc8 T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 b\u1ea3o tr\u00ec<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa T\u1ed5ng h\u1ee3p v\u00e0 T\u1ed5ng h\u1ee3p \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec l\u00e2u d\u00e0i c\u1ee7a ph\u1ea7n m\u1ec1m. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch c\u00e1c nh\u00f3m t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n.<\/p>\n<h3>\ud83d\udd12 G\u1eafn k\u1ebft v\u00e0 T\u00ednh g\u1eafn k\u1ebft<\/h3>\n<p>T\u1ed5ng h\u1ee3p l\u00e0m t\u0103ng t\u00ednh g\u1eafn k\u1ebft b\u00ean trong b\u1ed9 ch\u1ee9a. B\u1ed9 ch\u1ee9a tr\u1edf th\u00e0nh ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 logic n\u1ed9i b\u1ed9 c\u1ee7a b\u1ed9 ph\u1eadn. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng t\u1ed1t cho t\u00ednh \u0111\u00f3ng g\u00f3i. Tuy nhi\u00ean, n\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 g\u1eafn k\u1ebft. B\u1ed9 ch\u1ee9a kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang n\u1ebfu thi\u1ebfu b\u1ed9 ph\u1eadn.<\/p>\n<p>T\u1ed5ng h\u1ee3p l\u00e0m gi\u1ea3m t\u00ednh g\u1eafn k\u1ebft. B\u1ed9 ch\u1ee9a ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9 ph\u1eadn, nh\u01b0ng b\u1ed9 ph\u1eadn c\u00f3 s\u1ef1 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp ri\u00eang. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 g\u1eafn k\u1ebft l\u1ecfng l\u1ebbo h\u01a1n, gi\u00fap vi\u1ec7c ki\u1ec3m th\u1eed c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang l\u1ebb tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<h3>\ud83e\uddea Chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m th\u1eed<\/h3>\n<p>Ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nh\u1eefng l\u1ef1a ch\u1ecdn n\u00e0y.<\/p>\n<ul>\n<li><strong>T\u1ed5ng h\u1ee3p:<\/strong> Khi ki\u1ec3m th\u1eed to\u00e0n b\u1ed9, b\u1ea1n th\u01b0\u1eddng ki\u1ec3m th\u1eed b\u1ed9 ph\u1eadn m\u1ed9t c\u00e1ch ng\u1ea7m \u0111\u1ecbnh. Vi\u1ec7c gi\u1ea3 l\u1eadp b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u kh\u00f4i ph\u1ee5c l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a to\u00e0n b\u1ed9. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n ki\u1ec3m th\u1eed logic v\u00f2ng \u0111\u1eddi (t\u1ea1o ra\/x\u00f3a b\u1ecf).<\/li>\n<li><strong>T\u1ed5ng h\u1ee3p:<\/strong>B\u1ea1n c\u00f3 th\u1ec3 ch\u00e8n m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng gi\u1ea3 ho\u1eb7c gi\u1ea3 l\u1eadp m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Ph\u1ea7n \u0111\u00f3 n\u1eb1m ngo\u00e0i. \u0110i\u1ec1u n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c ki\u1ec3m th\u1eed \u0111\u1ed9c l\u1eadp logic c\u1ee7a ph\u1ea7n \u0111\u00f3, t\u00e1ch bi\u1ec7t kh\u1ecfi logic c\u1ee7a container.<\/li>\n<\/ul>\n<h2>\ud83d\udcdd H\u01b0\u1edbng d\u1eabn cho vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh<\/h2>\n<p>Khi b\u1ea1n g\u1eb7p m\u1ed1i quan h\u1ec7 b\u1ed9 ph\u1eadn-to\u00e0n th\u1ec3 trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf, h\u00e3y \u0111\u1eb7t nh\u1eefng c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i m\u1ed1i quan h\u1ec7 ch\u00ednh x\u00e1c.<\/p>\n<ol>\n<li><strong>Ph\u1ea7n c\u00f3 \u00fd ngh\u0129a khi kh\u00f4ng c\u00f3 to\u00e0n b\u1ed9 kh\u00f4ng?<\/strong><br \/>\nN\u1ebfu c\u00f3, h\u00e3y thi\u00ean v\u1ec1 Aggregation. N\u1ebfu kh\u00f4ng, h\u00e3y thi\u00ean v\u1ec1 Composition.<\/li>\n<li><strong>Ph\u1ea7n c\u00f3 th\u1ec3 thu\u1ed9c v\u1ec1 nhi\u1ec1u to\u00e0n b\u1ed9 kh\u00e1c nhau kh\u00f4ng?<\/strong><br \/>\nN\u1ebfu c\u00f3, Aggregation l\u00e0 b\u1eaft bu\u1ed9c. Composition c\u1ea5m vi\u1ec7c c\u00f3 nhi\u1ec1u ch\u1ee7 s\u1edf h\u1eefu.<\/li>\n<li><strong>Ai ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o ra ph\u1ea7n?<\/strong><br \/>\nN\u1ebfu to\u00e0n b\u1ed9 t\u1ea1o ra n\u00f3, th\u00ec kh\u1ea3 n\u0103ng cao l\u00e0 Composition. N\u1ebfu m\u1ed9t qu\u1ea3n l\u00fd b\u00ean ngo\u00e0i t\u1ea1o ra n\u00f3, th\u00ec kh\u1ea3 n\u0103ng cao l\u00e0 Aggregation.<\/li>\n<li><strong>\u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu to\u00e0n b\u1ed9 b\u1ecb x\u00f3a?<\/strong><br \/>\nN\u1ebfu ph\u1ea7n ph\u1ea3i b\u1ecb x\u00f3a, h\u00e3y d\u00f9ng Composition. N\u1ebfu ph\u1ea7n ph\u1ea3i t\u1ed3n t\u1ea1i, h\u00e3y d\u00f9ng Aggregation.<\/li>\n<\/ol>\n<h2>\ud83d\udd17 T\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c<\/h2>\n<p>S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. Nh\u1eefng m\u1ed1i quan h\u1ec7 n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n c\u1ea3 trong S\u01a1 \u0111\u1ed3 L\u1edbp.<\/p>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 L\u1edbp:<\/strong>S\u1eed d\u1ee5ng Aggregation v\u00e0 Composition \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a l\u1edbp. K\u00fd hi\u1ec7u l\u00e0 gi\u1ed1ng nhau.<\/li>\n<li><strong>S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1:<\/strong>M\u1ed1i quan h\u1ec7 v\u00f2ng \u0111\u1eddi th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng tin nh\u1eafn t\u1ea1o. Composition c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb m\u1ed9t tin nh\u1eafn &#8220;t\u1ea1o&#8221; t\u1eeb container \u0111\u1ebfn ph\u1ea7n trong chu\u1ed7i.<\/li>\n<li><strong>S\u01a1 \u0111\u1ed3 Tri\u1ec3n khai:<\/strong>C\u00e1c n\u00fat v\u1eadt l\u00fd c\u00f3 th\u1ec3 t\u00edch h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m. N\u1ebfu m\u1ed9t M\u00e1y ch\u1ee7 l\u01b0u tr\u1eef m\u1ed9t \u1ee8ng d\u1ee5ng, \u0111\u00f3 l\u00e0 Aggregation hay Composition? Th\u01b0\u1eddng l\u00e0 Aggregation, v\u00ec m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef nhi\u1ec1u \u1ee9ng d\u1ee5ng, v\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 di chuy\u1ec3n.<\/li>\n<\/ul>\n<h2>\ud83e\udde0 Nh\u1eefng n\u00e9t tinh t\u1ebf trong thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/h2>\n<p>Trong c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh hi\u1ec7n \u0111\u1ea1i, nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u1eabu c\u1ee5 th\u1ec3.<\/p>\n<h3>Ch\u00e8n ph\u1ee5 thu\u1ed9c<\/h3>\n<p>Ch\u00e8n ph\u1ee5 thu\u1ed9c l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt t\u1ef1 nhi\u00ean h\u1ed7 tr\u1ee3 Aggregation. B\u1ea1n ch\u00e8n m\u1ed9t ph\u1ee5 thu\u1ed9c v\u00e0o constructor ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c thi\u1ebft l\u1eadp. Container kh\u00f4ng s\u1edf h\u1eefu ph\u1ee5 thu\u1ed9c \u0111\u00f3. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng ki\u1ec3m th\u1eed v\u00e0 t\u00ednh linh ho\u1ea1t.<\/p>\n<h3>\u0110\u1ed1i t\u01b0\u1ee3ng Gi\u00e1 tr\u1ecb so v\u1edbi \u0110\u1ed1i t\u01b0\u1ee3ng Th\u1ef1c th\u1ec3<\/h3>\n<p>Trong Thi\u1ebft k\u1ebf H\u01b0\u1edbng mi\u1ec1n, c\u00e1c \u0110\u1ed1i t\u01b0\u1ee3ng Gi\u00e1 tr\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0o c\u00e1c \u0110\u1ed1i t\u01b0\u1ee3ng Th\u1ef1c th\u1ec3. Ch\u00fang kh\u00f4ng c\u00f3 danh t\u00ednh ri\u00eang v\u00e0 ch\u1ec9 t\u1ed3n t\u1ea1i trong b\u1ed1i c\u1ea3nh c\u1ee7a \u0110\u1ed1i t\u01b0\u1ee3ng Th\u1ef1c th\u1ec3. \u0110\u00e2y l\u00e0 m\u1ed1i quan h\u1ec7 Composition kinh \u0111i\u1ec3n. C\u00e1c Th\u1ef1c th\u1ec3 tham chi\u1ebfu \u0111\u1ebfn c\u00e1c Th\u1ef1c th\u1ec3 kh\u00e1c th\u01b0\u1eddng l\u00e0m v\u1eady th\u00f4ng qua Aggregation (v\u00ed d\u1ee5: m\u1ed9t Kh\u00e1ch h\u00e0ng t\u00edch h\u1ee3p nhi\u1ec1u \u0110\u01a1n h\u00e0ng).<\/p>\n<h2>\ud83d\udee1\ufe0f An to\u00e0n v\u00e0 to\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn Composition c\u00f3 th\u1ec3 mang l\u1ea1i m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 cho to\u00e0n v\u1eb9n d\u1eef li\u1ec7u. B\u1eb1ng c\u00e1ch li\u00ean k\u1ebft v\u00f2ng \u0111\u1eddi, b\u1ea1n \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u b\u1ecb b\u1ecf r\u01a1i kh\u00f4ng t\u00edch t\u1ee5. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t \u201cPhi\u00ean l\u00e0m vi\u1ec7c\u201d k\u1ebft h\u1ee3p m\u1ed9t \u201cB\u1ed1i c\u1ea3nh Ng\u01b0\u1eddi d\u00f9ng\u201d, vi\u1ec7c \u0111\u00f3ng phi\u00ean l\u00e0m vi\u1ec7c s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ed1i c\u1ea3nh \u0111\u01b0\u1ee3c d\u1ecdn d\u1eb9p. S\u1eed d\u1ee5ng Aggregation \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i d\u1eef li\u1ec7u l\u1ed7i th\u1eddi trong b\u1ed9 nh\u1edb ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<p>Tuy nhi\u00ean, Aggregation cung c\u1ea5p s\u1ef1 an to\u00e0n ch\u1ed1ng l\u1ea1i vi\u1ec7c ph\u00e1 h\u1ee7y v\u00f4 t\u00ecnh. N\u1ebfu m\u1ed9t \u201cTr\u00ecnh sinh b\u00e1o c\u00e1o\u201d t\u00edch h\u1ee3p m\u1ed9t \u201cNgu\u1ed3n D\u1eef li\u1ec7u\u201d, vi\u1ec7c t\u1eaft tr\u00ecnh sinh b\u00e1o c\u00e1o kh\u00f4ng n\u00ean x\u00f3a s\u1ea1ch ngu\u1ed3n d\u1eef li\u1ec7u. Ngu\u1ed3n D\u1eef li\u1ec7u ph\u1ea3i t\u1ed3n t\u1ea1i d\u00f9 tr\u00ecnh sinh b\u00e1o c\u00e1o g\u1eb7p s\u1ef1 c\u1ed1 t\u1ea1m th\u1eddi.<\/p>\n<h2>\ud83d\udd0d Ph\u00e2n t\u00edch c\u00e1c m\u00f4 h\u00ecnh hi\u1ec7n c\u00f3<\/h2>\n<p>Khi xem x\u00e9t c\u00e1c s\u01a1 \u0111\u1ed3 c\u0169, b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 m\u01a1 h\u1ed3. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n di\u1ec5n gi\u1ea3i m\u1ed9t m\u1ed1i quan h\u1ec7 kh\u00f4ng r\u00f5 r\u00e0ng?<\/p>\n<ul>\n<li><strong>T\u00ecm ki\u1ebfm logic v\u00f2ng \u0111\u1eddi:<\/strong> Ki\u1ec3m tra m\u00e3 ngu\u1ed3n ho\u1eb7c c\u00e1c tr\u00ecnh k\u00edch ho\u1ea1t c\u01a1 s\u1edf d\u1eef li\u1ec7u. Vi\u1ec7c x\u00f3a A c\u00f3 l\u00e0m x\u00f3a B kh\u00f4ng? \u0110i\u1ec1u \u0111\u00f3 cho th\u1ea5y s\u1ef1 k\u1ebft h\u1ee3p (Composition).<\/li>\n<li><strong>T\u00ecm ki\u1ebfm s\u1ef1 chia s\u1ebb:<\/strong> B c\u00f3 xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u A kh\u00f4ng? \u0110i\u1ec1u \u0111\u00f3 cho th\u1ea5y s\u1ef1 t\u00edch h\u1ee3p (Aggregation).<\/li>\n<li><strong>Ki\u1ec3m tra quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong> \u0110\u00f4i khi \u201cManager\u201d ng\u1ee5 \u00fd s\u1ef1 t\u00edch h\u1ee3p (qu\u1ea3n l\u00fd c\u00e1c t\u00e0i nguy\u00ean hi\u1ec7n c\u00f3), trong khi \u201cBuilder\u201d ng\u1ee5 \u00fd s\u1ef1 k\u1ebft h\u1ee3p (t\u1ea1o ra t\u00e0i nguy\u00ean).<\/li>\n<\/ul>\n<h2>\ud83c\udfaf T\u00f3m t\u1eaft v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa t\u00edch h\u1ee3p v\u00e0 k\u1ebft h\u1ee3p l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh ki\u1ebfn tr\u00fac c\u1ed1t l\u00f5i. N\u00f3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi tr\u00e1ch nhi\u1ec7m v\u00e0 d\u00f2ng ch\u1ea3y t\u1ed3n t\u1ea1i b\u00ean trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. T\u00edch h\u1ee3p cho ph\u00e9p t\u00ednh linh ho\u1ea1t v\u00e0 chia s\u1ebb, coi c\u00e1c b\u1ed9 ph\u1eadn l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 \u0111\u1ed9c l\u1eadp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i. K\u1ebft h\u1ee3p thi\u1ebft l\u1eadp c\u00e1c ranh gi\u1edbi nghi\u00eam ng\u1eb7t, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a to\u00e0n b\u1ed9 v\u00e0 kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu to\u00e0n b\u1ed9 b\u1ecb ph\u00e1 h\u1ee7y.<\/p>\n<p>B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t trong c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, b\u1ea1n t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u00e0nh vi th\u1eddi gian ch\u1ea1y c\u1ee7a ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh. S\u1ef1 r\u00f5 r\u00e0ng n\u00e0y gi\u1ea3m thi\u1ec3u n\u1ee3 k\u1ef9 thu\u1eadt, \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m quen cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi, v\u00e0 cung c\u1ea5p n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>Lu\u00f4n x\u00e1c minh c\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n d\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u00f2ng \u0111\u1eddi c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n. M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c v\u1ebd ch\u00ednh x\u00e1c v\u1edbi k\u00fd hi\u1ec7u h\u00ecnh thoi \u0111\u00fang s\u1ebd ti\u1ebft ki\u1ec7m h\u00e0ng gi\u1edd cho vi\u1ec7c g\u1ee1 l\u1ed7i v\u00e0 tr\u00e1nh nh\u1ea7m l\u1eabn ki\u1ebfn tr\u00fac trong giai \u0111o\u1ea1n sau c\u1ee7a v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. Khi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n v\u1ebd ra c\u00e1c c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p, c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd x\u00e1c \u0111\u1ecbnh c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, m\u1edf r\u1ed9ng v\u00e0 t\u1ed3n t\u1ea1i tr\u01b0\u1edbc nh\u1eefng thay \u0111\u1ed5i. Hai lo\u1ea1i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[47,51],"class_list":["post-1162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-modeling","tag-academic","tag-composite-structure-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Aggregation vs Composition in Composite Structure Diagrams<\/title>\n<meta name=\"description\" content=\"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aggregation vs Composition in Composite Structure Diagrams\" \/>\n<meta property=\"og:description\" content=\"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/\" \/>\n<meta property=\"og:site_name\" content=\"Flavor Fiesta Vietnamese\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-07T23:11:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"28 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/\",\"url\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/\",\"name\":\"Aggregation vs Composition in Composite Structure Diagrams\",\"isPartOf\":{\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg\",\"datePublished\":\"2026-04-07T23:11:46+00:00\",\"dateModified\":\"2026-04-07T23:11:46+00:00\",\"author\":{\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/115de9af898ec25f93dc45a9ee0e06cc\"},\"description\":\"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.\",\"breadcrumb\":{\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage\",\"url\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg\",\"contentUrl\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Vai tr\u00f2 c\u1ee7a Aggregation v\u00e0 Composition trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n: M\u1ed9t gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#website\",\"url\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/\",\"name\":\"Flavor Fiesta Vietnamese\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/115de9af898ec25f93dc45a9ee0e06cc\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d3e1f4f2887dcbb765e5e4bd729bd3f58094d176ef46f7273f338a031c58de6e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d3e1f4f2887dcbb765e5e4bd729bd3f58094d176ef46f7273f338a031c58de6e?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/flavorfiesta.foodiesconnect.net\"],\"url\":\"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Aggregation vs Composition in Composite Structure Diagrams","description":"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/","og_locale":"vi_VN","og_type":"article","og_title":"Aggregation vs Composition in Composite Structure Diagrams","og_description":"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.","og_url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/","og_site_name":"Flavor Fiesta Vietnamese","article_published_time":"2026-04-07T23:11:46+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"vpadmin","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"28 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/","url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/","name":"Aggregation vs Composition in Composite Structure Diagrams","isPartOf":{"@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage"},"image":{"@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg","datePublished":"2026-04-07T23:11:46+00:00","dateModified":"2026-04-07T23:11:46+00:00","author":{"@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/115de9af898ec25f93dc45a9ee0e06cc"},"description":"Understand the difference between aggregation and composition in UML composite structure diagrams. A technical guide for system architects.","breadcrumb":{"@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#primaryimage","url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg","contentUrl":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-content\/uploads\/sites\/10\/2026\/04\/aggregation-vs-composition-infographic-childs-drawing.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/aggregation-composition-composite-structure-diagrams\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/"},{"@type":"ListItem","position":2,"name":"Vai tr\u00f2 c\u1ee7a Aggregation v\u00e0 Composition trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n: M\u1ed9t gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng"}]},{"@type":"WebSite","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#website","url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/","name":"Flavor Fiesta Vietnamese","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/115de9af898ec25f93dc45a9ee0e06cc","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d3e1f4f2887dcbb765e5e4bd729bd3f58094d176ef46f7273f338a031c58de6e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d3e1f4f2887dcbb765e5e4bd729bd3f58094d176ef46f7273f338a031c58de6e?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/flavorfiesta.foodiesconnect.net"],"url":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/posts\/1162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/comments?post=1162"}],"version-history":[{"count":0,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/posts\/1162\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/media\/1163"}],"wp:attachment":[{"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/media?parent=1162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/categories?post=1162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/wp-json\/wp\/v2\/tags?post=1162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}