\n1. \uc18c\uac1c<\/h2>\n Dart\ub294 Google\uc5d0\uc11c \uac1c\ubc1c\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ud2b9\ud788 \ubaa8\ubc14\uc77c, \uc6f9 \ubc0f \uc11c\ubc84 \uce21 \uac1c\ubc1c\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Dart\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574\uc11c\ub294 \ucf54\ub4dc \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc804\ubc18\uc801\uc778 \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654\uc640 \ud6a8\uc728\uc801\uc778 \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n\n2. \uc131\ub2a5 \ucd5c\uc801\ud654 \uae30\ubc95<\/h2>\n2.1. \ubd88\ud544\uc694\ud55c \uac1d\uccb4 \uc0dd\uc131 \ucd5c\uc18c\ud654<\/h3>\n Dart\uc5d0\uc11c\ub294 \uac1d\uccb4\ub97c \uc0dd\uc131\ud560 \ub54c\ub9c8\ub2e4 \uba54\ubaa8\ub9ac\ub97c \ud560\ub2f9\ud558\uac8c \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubd88\ud544\uc694\ud55c \uac1d\uccb4 \uc0dd\uc131\uc744 \ud53c\ud558\ub294 \uac83\uc740 \uc131\ub2a5 \ucd5c\uc801\ud654\uc758 \uc911\uc694\ud55c \uae30\ubc95\uc785\ub2c8\ub2e4.<\/p>\n
\nvoid main() {\n List numbers = List.generate(1000000, (index) => index);\n print(squaredSum(numbers));\n}\n\nint squaredSum(List numbers) {\n int sum = 0;\n for (var number in numbers) {\n sum += number * number;\n }\n return sum;\n}\n <\/int><\/int><\/code><\/pre>\n\uc704 \ucf54\ub4dc\uc5d0\uc11c\ub294 List\ub97c \uc0ac\uc6a9\ud574 100\ub9cc \uac1c\uc758 \uc22b\uc790\ub97c \uc0dd\uc131\ud558\uace0 \uc81c\uacf1\uc758 \ud569\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, List\uc758 \ubaa8\ub4e0 \uc694\uc18c\ub97c \ubc18\ubcf5\ud558\ub294 \ub300\uc2e0, \ud544\uc694\ud560 \ub54c\ub9c8\ub2e4 \uc694\uc18c\ub97c \uc0dd\uc131\ud558\ub3c4\ub85d \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.2. \uc9c0\uc5f0 \ucd08\uae30\ud654 (Lazy Initialization)<\/h3>\n \uc9c0\uc5f0 \ucd08\uae30\ud654\ub294 \uac1d\uccb4\ub098 \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud560 \uc2dc\uc810\uae4c\uc9c0 \ucd08\uae30\ud654\ub97c \ubbf8\ub8f0 \uc218 \uc788\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uba54\ubaa8\ub9ac \uc0ac\uc6a9\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\nclass LazyValue {\n int? _value;\n\n int get value {\n if (_value == null) {\n _value = expensiveComputation();\n }\n return _value!;\n }\n\n int expensiveComputation() {\n \/\/ \ubcf5\uc7a1\ud55c \uacc4\uc0b0 \ucc98\ub9ac\n return 42;\n }\n}\n <\/code><\/pre>\n\uc5ec\uae30\uc11c value \uc811\uadfc\uc790\ub294 _value\uac00 null\uc77c \ub54c\ub9cc costly\ud55c \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud558\uc5ec \uac12\uc744 \ucd08\uae30\ud654\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ubd88\ud544\uc694\ud55c \uba54\ubaa8\ub9ac \uc0ac\uc6a9\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.3. \uceec\ub809\uc158 \uc0ac\uc6a9\uc758 \ucd5c\uc801\ud654<\/h3>\n Dart\ub294 \ub2e4\uc591\ud55c \uc885\ub958\uc758 \uceec\ub809\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc54c\ub9de\uc740 \uceec\ub809\uc158\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n
\nvoid main() {\n List items = [];\n for (var i = 0; i < 100000; i++) {\n items.add('Item $i');\n }\n print(items.length);\n}\n <\/string><\/code><\/pre>\nList, Set, Map \ub4f1 \uac01\uac01\uc758 \uceec\ub809\uc158 \ud0c0\uc785\uc744 \uc801\uc808\ud788 \uc0ac\uc6a9\ud558\uc5ec \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc911\ubcf5\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 Set\uc744 \uc0ac\uc6a9\ud558\uba74 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n\n3. \uba54\ubaa8\ub9ac \uad00\ub9ac \uae30\ubc95<\/h2>\n3.1. \uac00\ube44\uc9c0 \uceec\ub809\uc158 \uc774\ud574\ud558\uae30<\/h3>\n Dart\ub294 \uc790\ub3d9\uc73c\ub85c \uba54\ubaa8\ub9ac\ub97c \uad00\ub9ac\ud558\ub294 \uac00\ube44\uc9c0 \uceec\ub809\uc158\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c, \uac1c\ubc1c\uc790\ub294 \uba54\ubaa8\ub9ac\uc5d0 \ub300\ud55c \ub9ce\uc740 \uac71\uc815 \uc5c6\uc774 \ucf54\ub529\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uac00\ube44\uc9c0 \uceec\ub809\uc158\uc774 \uc5b8\uc81c \ubc1c\uc0dd\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc131\ub2a5 \uac1c\uc120\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n
3.2. \uba54\ubaa8\ub9ac \ud504\ub85c\ud30c\uc77c\ub9c1<\/h3>\n Dart DevTools\ub97c \uc0ac\uc6a9\ud558\uc5ec \uba54\ubaa8\ub9ac \ud504\ub85c\ud30c\uc77c\ub9c1\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5b4\ub5a4 \uac1d\uccb4\uac00 \uc5bc\ub9c8\ub098 \uba54\ubaa8\ub9ac\ub97c \uc0ac\uc6a9\ud558\ub294\uc9c0 \ubaa8\ub2c8\ud130\ub9c1\ud558\uba74 \uba54\ubaa8\ub9ac \ub9ac\uc18c\uc2a4\ub97c \ucd5c\uc801\ud654\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
DevTools\uc5d0\uc11c \uba54\ubaa8\ub9ac \ud0ed\uc744 \uc5f4\uace0, \ud560\ub2f9\ub41c \uac1d\uccb4\uc640 \uba54\ubaa8\ub9ac \uc0ac\uc6a9\ub7c9\uc744 \ubd84\uc11d\ud558\uc5ec \ud6a8\uc728\uc801\uc73c\ub85c \uba54\ubaa8\ub9ac\ub97c \uad00\ub9ac\ud560 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<\/section>\n\n4. \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95<\/h2>\n4.1. JIT(Just-In-Time) \ubc0f AOT(Ahead-Of-Time) \ucef4\ud30c\uc77c \uc774\ud574\ud558\uae30<\/h3>\n Dart\ub294 JIT \ubc0f AOT \ucef4\ud30c\uc77c \ubc29\uc2dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. JIT\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud560 \ub54c \uc2e4\ud589\ub418\uba70, \uac1c\ubc1c \ub2e8\uacc4\uc5d0\uc11c \uc720\uc6a9\ud569\ub2c8\ub2e4. \ubc18\uba74 AOT\ub294 \uc815\uc801\uc778 \uc2e4\ud589 \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uc5ec \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud569\ub2c8\ub2e4.<\/p>\n
4.2. async\uc640 await\uc758 \uc801\uc808\ud55c \uc0ac\uc6a9<\/h3>\n Dart\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \uc704\ud55c \uac15\ub825\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. async\uc640 await \ud0a4\uc6cc\ub4dc\ub97c \uc801\uc808\ud788 \uc0ac\uc6a9\ud558\uc5ec \ube44\ub3d9\uae30 \uc791\uc5c5\uc758 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\nFuture fetchData() async {\n var response = await http.get(Uri.parse('https:\/\/api.example.com\/data'));\n if (response.statusCode == 200) {\n print('\ub370\uc774\ud130 \ub85c\ub4dc \uc644\ub8cc');\n }\n}\n <\/void><\/code><\/pre>\n\ube44\ub3d9\uae30 \ucc98\ub9ac\ub97c \ud1b5\ud574 UI\uac00 \uc751\ub2f5\uc131\uc744 \uc783\uc9c0 \uc54a\ub3c4\ub85d \ud558\uc5ec \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n\n5. \uacb0\ub860<\/h2>\n Dart \uc5b8\uc5b4\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654\ub294 \uc5ec\ub7ec \uac00\uc9c0 \uae30\ubc95\uc744 \ud1b5\ud574 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\ud574\ub2f9 \uae30\ubc95\ub4e4\u2014\ubd88\ud544\uc694\ud55c \uac1d\uccb4 \uc0dd\uc131 \ucd5c\uc18c\ud654, \uc9c0\uc5f0 \ucd08\uae30\ud654, \uadf8\ub9ac\uace0 \ud6a8\uacfc\uc801\uc778 \uba54\ubaa8\ub9ac \uad00\ub9ac\u2014\uc740 \ub354\uc6b1 \ud6a8\uc728\uc801\uc778 Dart \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4dc\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/section>\n\n\uc774 \uae00\uc774 Dart \uac1c\ubc1c\uc790\ub4e4\uc5d0\uac8c \ub3c4\uc6c0\uc774 \ub418\uae30\ub97c \ubc14\ub77c\uba70, \uc131\ub2a5 \ucd5c\uc801\ud654 \uacfc\uc815\uc5d0\uc11c \uc720\uc6a9\ud55c \uae30\ubc95\ub4e4\uc744 \ud1b5\ud558\uc5ec \ub354 \ub098\uc740 \ucf54\ub4dc \ud488\uc9c8\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<\/footer>\n<\/article>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\uc791\uc131\uc790: \uc870\uad11\ud615 | \ub0a0\uc9dc: [\ub0a0\uc9dc] 1. \uc18c\uac1c Dart\ub294 Google\uc5d0\uc11c \uac1c\ubc1c\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ud2b9\ud788 \ubaa8\ubc14\uc77c, \uc6f9 \ubc0f \uc11c\ubc84 \uce21 \uac1c\ubc1c\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Dart\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574\uc11c\ub294 \ucf54\ub4dc \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc804\ubc18\uc801\uc778 \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654\uc640 \ud6a8\uc728\uc801\uc778 \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 2. \uc131\ub2a5 \ucd5c\uc801\ud654 \uae30\ubc95 2.1. … \ub354 \ubcf4\uae30 “[Dart \uc5b8\uc5b4\uac15\uc88c] 025. Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-43517","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"\n[Dart \uc5b8\uc5b4\uac15\uc88c] 025. Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/43517\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Dart \uc5b8\uc5b4\uac15\uc88c] 025. Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc791\uc131\uc790: \uc870\uad11\ud615 | \ub0a0\uc9dc: [\ub0a0\uc9dc] 1. \uc18c\uac1c Dart\ub294 Google\uc5d0\uc11c \uac1c\ubc1c\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ud2b9\ud788 \ubaa8\ubc14\uc77c, \uc6f9 \ubc0f \uc11c\ubc84 \uce21 \uac1c\ubc1c\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Dart\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574\uc11c\ub294 \ucf54\ub4dc \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc804\ubc18\uc801\uc778 \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654\uc640 \ud6a8\uc728\uc801\uc778 \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 2. \uc131\ub2a5 \ucd5c\uc801\ud654 \uae30\ubc95 2.1. … \ub354 \ubcf4\uae30 "[Dart \uc5b8\uc5b4\uac15\uc88c] 025. Dart \ucf54\ub4dc\uc758 \uc131\ub2a5 \ucd5c\uc801\ud654, \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uc131\ub2a5 \uac1c\uc120 \uae30\ubc95"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/43517\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-28T12:31:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-24T00:04:17+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/43517\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/43517\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"[Dart \uc5b8\uc5b4\uac15\uc88c] 025. 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