{"id":923203,"date":"2024-06-25T06:52:20","date_gmt":"2024-06-25T06:52:20","guid":{"rendered":"https:\/\/proxyelite.info\/?p=923203"},"modified":"2024-06-25T06:52:21","modified_gmt":"2024-06-25T06:52:21","slug":"what-is-an-immutable-object","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/vi\/what-is-an-immutable-object\/","title":{"rendered":"\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn l\u00e0 g\u00ec?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi l\u1eadp tr\u00ecnh, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh, b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e3. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec nh\u1eefng v\u1eadt th\u1ec3 b\u1ea5t bi\u1ebfn l\u00e0 g\u00ec? B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o kh\u00e1i ni\u1ec7m v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn, kh\u00e1m ph\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m, l\u1ee3i \u00edch v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang tr\u00ean nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ri\u00eang bi\u1ec7t gi\u00fap ch\u00fang kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i. Hi\u1ec3u nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e0 tr\u1ea1ng th\u00e1i c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i sau khi \u0111\u01b0\u1ee3c t\u1ea1o. B\u1ea5t k\u1ef3 n\u1ed7 l\u1ef1c n\u00e0o nh\u1eb1m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi, khi\u1ebfn \u0111\u1ed1i t\u01b0\u1ee3ng ban \u0111\u1ea7u kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f4ng s\u1eeda \u0111\u1ed5i sau khi t\u1ea1o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u01b0\u1ee3c t\u1ea1o, d\u1eef li\u1ec7u c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 b\u1ecb thay \u0111\u1ed5i. \u0110\u1eb7c t\u00ednh n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eabn nh\u1ea5t qu\u00e1n trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3, ng\u0103n ch\u1eb7n nh\u1eefng thay \u0111\u1ed5i ng\u1eabu nhi\u00ean v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">An to\u00e0n ch\u1ee7 \u0111\u1ec1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn v\u1ed1n \u0111\u00e3 an to\u00e0n cho lu\u1ed3ng. V\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i n\u00ean nhi\u1ec1u lu\u1ed3ng c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed3ng b\u1ed9 h\u00f3a, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho vi\u1ec7c l\u1eadp tr\u00ecnh \u0111\u1ed3ng th\u1eddi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">G\u1ee1 l\u1ed7i v\u00e0 b\u1ea3o tr\u00ec \u0111\u01a1n gi\u1ea3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh b\u1ea5t bi\u1ebfn c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c g\u1ee1 l\u1ed7i v\u00e0 b\u1ea3o tr\u00ec. V\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i n\u00ean c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng theo d\u00f5i lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c c\u1ee7a v\u1ea5n \u0111\u1ec1 m\u00e0 kh\u00f4ng ph\u1ea3i lo l\u1eafng v\u1ec1 nh\u1eefng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i kh\u00f4ng mong mu\u1ed1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o m\u1eadt n\u00e2ng cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn cung c\u1ea5p m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao h\u01a1n b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n c\u00e1c s\u1eeda \u0111\u1ed5i tr\u00e1i ph\u00e9p. \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u00e0 nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c giao d\u1ecbch t\u00e0i ch\u00ednh v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u00e3 h\u00f3a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00e0nh vi c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0nh vi c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang kh\u00f4ng thay \u0111\u1ed5i theo th\u1eddi gian. Kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n n\u00e0y gi\u00fap vi\u1ec7c suy lu\u1eadn v\u1ec1 m\u00e3 d\u1ec5 d\u00e0ng h\u01a1n, gi\u1ea3m kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1eadp tr\u00ecnh \u0111\u1ed3ng th\u1eddi \u0111\u01a1n gi\u1ea3n h\u00f3a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng \u0111a lu\u1ed3ng, vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed3ng b\u1ed9 h\u00f3a ph\u1ee9c t\u1ea1p \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ch\u1ea1y \u0111ua v\u00e0 h\u1ecfng d\u1eef li\u1ec7u. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a c\u00e1c c\u01a1 ch\u1ebf nh\u01b0 v\u1eady, \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1eadp tr\u00ecnh \u0111\u1ed3ng th\u1eddi v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c chia s\u1ebb v\u00e0 t\u00e1i s\u1eed d\u1ee5ng, gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 b\u1ed9 nh\u1edb v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t. V\u00ed d\u1ee5: c\u00e1c chu\u1ed7i trong Java l\u00e0 b\u1ea5t bi\u1ebfn, cho ph\u00e9p JVM g\u1ed9p v\u00e0 t\u00e1i s\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e2y<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, chu\u1ed7i l\u00e0 b\u1ea5t bi\u1ebfn. Khi m\u1ed9t chu\u1ed7i \u0111\u01b0\u1ee3c t\u1ea1o, n\u1ed9i dung c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i. B\u1ea5t k\u1ef3 thao t\u00e1c n\u00e0o xu\u1ea5t hi\u1ec7n \u0111\u1ec3 s\u1eeda \u0111\u1ed5i m\u1ed9t chu\u1ed7i th\u1ef1c s\u1ef1 t\u1ea1o ra m\u1ed9t chu\u1ed7i m\u1edbi v\u1edbi nh\u1eefng thay \u0111\u1ed5i mong mu\u1ed1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">s\u1ed1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ki\u1ec3u d\u1eef li\u1ec7u nguy\u00ean th\u1ee7y bi\u1ec3u th\u1ecb c\u00e1c s\u1ed1 (v\u00ed d\u1ee5: s\u1ed1 nguy\u00ean, s\u1ed1 float) th\u01b0\u1eddng kh\u00f4ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c. C\u00e1c thao t\u00e1c tr\u00ean c\u00e1c ki\u1ec3u n\u00e0y t\u1ea1o ra c\u00e1c th\u1ec3 hi\u1ec7n m\u1edbi thay v\u00ec s\u1eeda \u0111\u1ed5i c\u00e1c th\u1ec3 hi\u1ec7n hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 d\u1eef li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 d\u1eef li\u1ec7u l\u00e0 b\u1ed9 s\u01b0u t\u1eadp b\u1ea5t bi\u1ebfn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u00f3m d\u1eef li\u1ec7u li\u00ean quan. Trong c\u00e1c ng\u00f4n ng\u1eef nh\u01b0 Python, b\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u01b0u ti\u00ean khi d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb thay \u0111\u1ed5i sau khi t\u1ea1o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn trong c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau th\u1ef1c hi\u1ec7n t\u00ednh b\u1ea5t bi\u1ebfn theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 c\u00e1ch x\u1eed l\u00fd t\u00ednh b\u1ea5t bi\u1ebfn trong m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn trong Java<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong Java, t\u00ednh b\u1ea5t bi\u1ebfn \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch l\u00e0m cho c\u00e1c l\u1edbp tr\u1edf n\u00ean b\u1ea5t bi\u1ebfn. C\u00e1c <code data-no-translation=\"\">String<\/code> class l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a m\u1ed9t l\u1edbp b\u1ea5t bi\u1ebfn. Ngo\u00e0i ra, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c l\u1edbp b\u1ea5t bi\u1ebfn c\u1ee7a ri\u00eang m\u00ecnh b\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c nguy\u00ean t\u1eafc c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khai b\u00e1o l\u1edbp l\u00e0 <code data-no-translation=\"\">final<\/code> \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c ph\u00e2n l\u1edbp.<\/li>\n\n\n\n<li>\u0110\u00e1nh d\u1ea5u t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng l\u00e0 <code data-no-translation=\"\">private<\/code> V\u00e0 <code data-no-translation=\"\">final<\/code>.<\/li>\n\n\n\n<li>Kh\u00f4ng cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c s\u1eeda \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn trong Python<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python cung c\u1ea5p m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ea5t bi\u1ebfn t\u00edch h\u1ee3p s\u1eb5n, bao g\u1ed3m chu\u1ed7i, b\u1ed9 d\u1eef li\u1ec7u v\u00e0 s\u1ed1. T\u00ednh b\u1ea5t bi\u1ebfn c\u1ee7a c\u00e1c lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c thi b\u1edfi ch\u00ednh ng\u00f4n ng\u1eef, \u0111\u1ea3m b\u1ea3o r\u1eb1ng tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i sau khi t\u1ea1o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn trong JavaScript<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong JavaScript, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 m\u1ea3ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo m\u1eb7c \u0111\u1ecbnh. Tuy nhi\u00ean, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u01b0 vi\u1ec7n nh\u01b0 Immutable.js ho\u1eb7c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 <code data-no-translation=\"\">Object.freeze()<\/code> \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c s\u1eeda \u0111\u1ed5i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn trong l\u1eadp tr\u00ecnh ch\u1ee9c n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ch\u1ee9c n\u0103ng, nh\u01b0 Haskell v\u00e0 Scala, nh\u1ea5n m\u1ea1nh t\u00ednh b\u1ea5t bi\u1ebfn. Trong c\u00e1c ng\u00f4n ng\u1eef n\u00e0y, t\u00ednh b\u1ea5t bi\u1ebfn l\u00e0 kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u00e0 h\u1ea7u h\u1ebft c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u \u0111\u1ec1u kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i theo m\u1eb7c \u0111\u1ecbnh. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nguy\u00ean t\u1eafc l\u1eadp tr\u00ecnh ch\u1ee9c n\u0103ng, th\u00fac \u0111\u1ea9y c\u00e1c ch\u1ee9c n\u0103ng thu\u1ea7n t\u00fay v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u00e1c d\u1ee5ng ph\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn l\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c c\u00e0i \u0111\u1eb7t c\u1ea5u h\u00ecnh kh\u00f4ng n\u00ean thay \u0111\u1ed5i trong th\u1eddi gian ch\u1ea1y c\u1ee7a \u1ee9ng d\u1ee5ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u00e0i \u0111\u1eb7t v\u1eabn nh\u1ea5t qu\u00e1n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c s\u1eeda \u0111\u1ed5i v\u00f4 t\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1eadp tr\u00ecnh ch\u1ee9c n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong l\u1eadp tr\u00ecnh h\u00e0m, t\u00ednh b\u1ea5t bi\u1ebfn l\u00e0 nguy\u00ean t\u1eafc then ch\u1ed1t. C\u1ea5u tr\u00fac d\u1eef li\u1ec7u b\u1ea5t bi\u1ebfn cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n vi\u1ebft c\u00e1c h\u00e0m thu\u1ea7n t\u00fay kh\u00f4ng t\u1ea1o ra t\u00e1c d\u1ee5ng ph\u1ee5, d\u1eabn \u0111\u1ebfn m\u00e3 d\u1ec5 d\u1ef1 \u0111o\u00e1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed3ng th\u1eddi v\u00e0 song song<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1eadp tr\u00ecnh \u0111\u1ed3ng th\u1eddi v\u00e0 song song b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed3ng b\u1ed9 h\u00f3a ph\u1ee9c t\u1ea1p. V\u00ec c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i n\u00ean nhi\u1ec1u lu\u1ed3ng c\u00f3 th\u1ec3 truy c\u1eadp ch\u00fang m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng g\u00e2y ra h\u1ecfng d\u1eef li\u1ec7u ho\u1eb7c t\u00ecnh tr\u1ea1ng ch\u1ea1y \u0111ua.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ghi nh\u1edb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn r\u1ea5t ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ghi nh\u1edb. V\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang kh\u00f4ng thay \u0111\u1ed5i n\u00ean c\u00e1c phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb \u0111\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch an to\u00e0n, gi\u1ea3m nhu c\u1ea7u t\u00ednh to\u00e1n d\u01b0 th\u1eeba v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn, cung c\u1ea5p cho nh\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd \u0111\u1ec3 n\u00e2ng cao m\u00e3 c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea5t bi\u1ebfn.js<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Immutable.js l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n ph\u1ed5 bi\u1ebfn \u0111\u1ec3 t\u1ea1o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u b\u1ea5t bi\u1ebfn trong JavaScript. N\u00f3 cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c b\u1ed9 s\u01b0u t\u1eadp b\u1ea5t bi\u1ebfn, bao g\u1ed3m danh s\u00e1ch, b\u1ea3n \u0111\u1ed3 v\u00e0 b\u1ed9, v\u1edbi API \u0111\u01a1n gi\u1ea3n v\u00e0 tr\u1ef1c quan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">b\u1ea5t bi\u1ebfn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Immutant l\u00e0 th\u01b0 vi\u1ec7n Clojure cung c\u1ea5p c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u b\u1ea5t bi\u1ebfn v\u00e0 c\u00e1c ti\u1ec7n \u00edch \u0111\u1ed3ng th\u1eddi. N\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed3ng th\u1eddi b\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng t\u00ednh b\u1ea5t bi\u1ebfn c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac d\u1eef li\u1ec7u li\u00ean t\u1ee5c trong Scala<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u01b0 vi\u1ec7n chu\u1ea9n c\u1ee7a Scala bao g\u1ed3m c\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u li\u00ean t\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 <code data-no-translation=\"\">List<\/code>, <code data-no-translation=\"\">Vector<\/code>, V\u00e0 <code data-no-translation=\"\">Map<\/code>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 t\u00ednh b\u1ea5t bi\u1ebfn hi\u1ec7u qu\u1ea3. C\u00e1c c\u1ea5u tr\u00fac d\u1eef li\u1ec7u n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong l\u1eadp tr\u00ecnh hi\u1ec7n \u0111\u1ea1i, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, bao g\u1ed3m b\u1ea3o m\u1eadt n\u00e2ng cao, h\u00e0nh vi c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00e0 l\u1eadp tr\u00ecnh \u0111\u1ed3ng th\u1eddi \u0111\u01a1n gi\u1ea3n h\u00f3a. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 l\u1ee3i th\u1ebf c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m. Cho d\u00f9 b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c v\u1edbi chu\u1ed7i, s\u1ed1 hay c\u1ea5u tr\u00fac d\u1eef li\u1ec7u t\u00f9y ch\u1ec9nh, vi\u1ec7c \u00e1p d\u1ee5ng t\u00ednh b\u1ea5t bi\u1ebfn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u00e3 m\u1ea1nh m\u1ebd h\u01a1n, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c th\u1ef1c hi\u1ec7n t\u00ednh b\u1ea5t bi\u1ebfn \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t c\u1ea9n th\u1eadn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n th\u00edch h\u1ee3p. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ea5t bi\u1ebfn, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e1ng tin c\u1eady h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u01b0\u1ee3t qua th\u1eed th\u00e1ch c\u1ee7a th\u1eddi gian.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to Immutable Objects In the world of programming, immutable objects play a crucial role in ensuring stability, security, and efficiency in code. But what exactly are immutable objects? This article delves into the concept of immutable objects, exploring their characteristics, benefits, and practical applications across various programming languages. Key Characteristics of Immutable Objects Immutable [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":923204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-923203","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/923203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/comments?post=923203"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/923203\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/923204"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=923203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/categories?post=923203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/tags?post=923203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}