{"id":43491,"date":"2024-11-28T12:31:37","date_gmt":"2024-11-28T12:31:37","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=43491"},"modified":"2025-08-24T00:04:18","modified_gmt":"2025-08-24T00:04:18","slug":"dart-%ec%96%b8%ec%96%b4%ea%b0%95%ec%a2%8c-012-dart%ec%97%90%ec%84%9c-%ec%82%ac%ec%9a%a9%eb%90%98%eb%8a%94-%ec%bd%9c%eb%a0%89%ec%85%98-%ea%b3%a0%ec%b0%a8-%ed%95%a8%ec%88%98%ec%99%80-%ed%95%84","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/43491\/","title":{"rendered":"[Dart \uc5b8\uc5b4\uac15\uc88c] 012. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218\uc640 \ud544\ud130\ub9c1 \ub9e4\ud551"},"content":{"rendered":"

<\/p>\n

Dart\ub294 \ud604\ub300\uc801\uc778 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub2e4\uc591\ud55c \uae30\ub2a5\uacfc \uac15\ub825\ud55c \ucf5c\ub809\uc158\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \ud6a8\uc728\uc801\uc73c\ub85c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uac8c \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218 \ubc0f \uc774\ub7ec\ud55c \ucf5c\ub809\uc158\uc744 \ud544\ud130\ub9c1\ud558\uace0 \ub9e4\ud551\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. Dart\uc758 \ucf5c\ub809\uc158(Collection)<\/h2>\n

Dart\uc5d0\uc11c \ucf5c\ub809\uc158\uc740 \uc5ec\ub7ec \ub370\uc774\ud130\ub97c \uad6c\uc870\uc801\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ud0c0\uc785\uc785\ub2c8\ub2e4. Dart\uc5d0\uc11c\ub294 \uc8fc\ub85c List<\/strong>, Set<\/strong>, Map<\/strong>\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158 \ud0c0\uc785\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

1.1. List<\/h3>\n

List\ub294 \uc21c\uc11c\uac00 \uc788\ub294 \ub370\uc774\ud130\uc758 \ubaa8\uc74c\uc73c\ub85c, \ub3d9\uc77c\ud55c \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uac00\uc9c0\uba70 \uc778\ub371\uc2a4\ub97c \ud1b5\ud574 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc815\uc218\ud615 \ub370\uc774\ud130\uc758 \ub9ac\uc2a4\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

List numbers = [1, 2, 3, 4, 5];<\/int><\/code><\/pre>\n
List\uc758 \uc8fc\uc694 \uc5f0\uc0b0\uc73c\ub85c\ub294 \ub370\uc774\ud130 \ucd94\uac00, \uc0ad\uc81c, \uac80\uc0c9 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 List\uc758 \uba87 \uac00\uc9c0 \uba54\uc11c\ub4dc \uc0ac\uc6a9 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n
numbers.add(6); \/\/ \ub9ac\uc2a4\ud2b8\uc5d0 6 \ucd94\uac00\nnumbers.remove(2); \/\/ \ub9ac\uc2a4\ud2b8\uc5d0\uc11c 2 \uc81c\uac70\nprint(numbers.length); \/\/ \ub9ac\uc2a4\ud2b8\uc758 \uae38\uc774 \ucd9c\ub825\nprint(numbers[0]); \/\/ \uccab \ubc88\uc9f8 \uac12 \ucd9c\ub825\n<\/code><\/pre>\n
1.2. Set<\/h3>\n
Set\uc740 \uc911\ubcf5\ub41c \uac12\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\ub294 \ub370\uc774\ud130\uc758 \ubaa8\uc784\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc874\uc7ac \uc5ec\ubd80\ub97c \ube60\ub974\uac8c \ud655\uc778\ud560 \uc218 \uc788\ub294\uc810\uc774 \ud2b9\uc9d5\uc785\ub2c8\ub2e4. Set\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
Set fruits = {'apple', 'banana', 'orange'};<\/string><\/code><\/pre>\n
Set\uc758 \uc8fc\uc694 \uba54\uc11c\ub4dc \uc0ac\uc6a9 \uc608\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n
fruits.add('kiwi'); \/\/ Set\uc5d0 kiwi \ucd94\uac00\nfruits.remove('banana'); \/\/ Set\uc5d0\uc11c banana \uc81c\uac70\nprint(fruits.contains('apple')); \/\/ apple\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\n<\/code><\/pre>\n
1.3. Map<\/h3>\n
Map\uc740 \ud0a4-\uac12 \uc30d\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ucf5c\ub809\uc158\uc73c\ub85c, \uac01 \ud0a4\ub294 \uace0\uc720\ud574\uc57c \ud569\ub2c8\ub2e4. Map\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
Map scores = {'Alice': 90, 'Bob': 85};<\/string,><\/code><\/pre>\n
Map\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc870\ud68c\ud558\uac70\ub098 \uc218\uc815\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n
scores['Charlie'] = 95; \/\/ Charlie \ucd94\uac00\nprint(scores['Alice']); \/\/ Alice\uc758 \uc810\uc218 \ucd9c\ub825\nscores.remove('Bob'); \/\/ Bob \uc81c\uac70\n<\/code><\/pre>\n
2. \uace0\ucc28 \ud568\uc218(Higher-Order Functions)<\/h2>\n
\uace0\ucc28 \ud568\uc218\ub294 \ud568\uc218\ub97c \uc778\uc790\ub85c \ubc1b\uac70\ub098 \ud568\uc218\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\ub97c \ub9d0\ud569\ub2c8\ub2e4. Dart\ub294 \uace0\ucc28 \ud568\uc218\ub97c \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub9ac\uc2a4\ud2b8\uc758 \uac01 \uc694\uc18c\uc5d0 \ud2b9\uc815 \ud568\uc218\ub97c \uc801\uc6a9\ud558\ub294 map \ud568\uc218\ub97c \uc0ac\uc6a9\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n
List square(List numbers) {\n    return numbers.map((number) => number * number).toList();\n}\n\nList numbers = [1, 2, 3, 4, 5];\nprint(square(numbers)); \/\/ [1, 4, 9, 16, 25] \ucd9c\ub825\n<\/int><\/int><\/int><\/code><\/pre>\n
\uc704\uc758 \uc608\uc81c\uc5d0\uc11c map<\/code> \uba54\uc11c\ub4dc\ub294 \uac01 \uc694\uc18c\uc5d0 \uc81c\uacf5\ub41c \ud568\uc218\ub97c \uc801\uc6a9\ud558\uc5ec \uc0c8 \ub9ac\uc2a4\ud2b8\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n
3. \ud544\ud130\ub9c1(Filtering)\uacfc \ub9e4\ud551(Mapping)<\/h2>\n
\ud544\ud130\ub9c1\uacfc \ub9e4\ud551\uc740 \ub370\uc774\ud130\ub97c \ubcc0\ud658\ud558\uace0 \uc120\ud0dd\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \uae30\ub2a5\uc785\ub2c8\ub2e4. Dart\uc758 \ucf5c\ub809\uc158\uc5d0\uc11c where<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud574 \ud544\ud130\ub9c1\uc744, map<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud574 \ub9e4\ud551\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3.1. \ud544\ud130\ub9c1<\/h3>\n
\ud544\ud130\ub9c1\uc740 \ud2b9\uc815 \uc870\uac74\uc744 \ub9cc\uc871\ud558\ub294 \uc694\uc18c\ub9cc \uc120\ud0dd\ud558\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc9dd\uc218\ub9cc \uace8\ub77c\ub0b4\ub294 \ud544\ud130\ub9c1\uc744 \uad6c\ud604\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n
List getEvenNumbers(List numbers) {\n    return numbers.where((number) => number % 2 == 0).toList();\n}\n\nList numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\nprint(getEvenNumbers(numbers)); \/\/ [2, 4, 6, 8, 10] \ucd9c\ub825\n<\/int><\/int><\/int><\/code><\/pre>\n
3.2. \ub9e4\ud551<\/h3>\n
\ub9e4\ud551\uc740 \uceec\ub809\uc158\uc758 \uac01 \uc694\uc18c\ub97c \ub2e4\ub978 \uc694\uc18c\ub85c \ubcc0\ud658\ud558\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc704\uc5d0\uc11c \uc0ac\uc6a9\ud55c map \uba54\uc11c\ub4dc\uac00 \uadf8 \uc608\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ubb38\uc790\uc5f4 \ub9ac\uc2a4\ud2b8\ub97c \ub300\ubb38\uc790\ub85c \ubcc0\ud658\ud558\ub294 \uc608\uc785\ub2c8\ub2e4:<\/p>\n
List toUpperCase(List strings) {\n    return strings.map((string) => string.toUpperCase()).toList();\n}\n\nList fruits = ['apple', 'banana', 'orange'];\nprint(toUpperCase(fruits)); \/\/ ['APPLE', 'BANANA', 'ORANGE'] \ucd9c\ub825\n<\/string><\/string><\/string><\/code><\/pre>\n
4. \uacb0\ub860<\/h2>\n
Dart\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218, \ud544\ud130\ub9c1 \ubc0f \ub9e4\ud551\uc740 \uac1c\ubc1c\uc790\uac00 \ud6a8\uc728\uc801\uc774\uace0 \uac00\ub3c5\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. Dart\uc758 \ub2e4\uc591\ud55c \ucf5c\ub809\uc158 \ud0c0\uc785\uacfc \uac15\ub825\ud55c \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \ucc98\ub9ac \uc791\uc5c5\uc744 \uac04\uacb0\ud558\uac8c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c Dart\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub354 \ub9ce\uc740 \ud504\ub85c\uc81d\ud2b8\ub97c \uc9c4\ud589\ud574 \ubcf4\uc2dc\uae38 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
Dart\ub294 \ud604\ub300\uc801\uc778 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub2e4\uc591\ud55c \uae30\ub2a5\uacfc \uac15\ub825\ud55c \ucf5c\ub809\uc158\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \ud6a8\uc728\uc801\uc73c\ub85c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uac8c \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218 \ubc0f \uc774\ub7ec\ud55c \ucf5c\ub809\uc158\uc744 \ud544\ud130\ub9c1\ud558\uace0 \ub9e4\ud551\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. Dart\uc758 \ucf5c\ub809\uc158(Collection) Dart\uc5d0\uc11c \ucf5c\ub809\uc158\uc740 \uc5ec\ub7ec \ub370\uc774\ud130\ub97c \uad6c\uc870\uc801\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ud0c0\uc785\uc785\ub2c8\ub2e4. Dart\uc5d0\uc11c\ub294 \uc8fc\ub85c List, Set, Map\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158 … \ub354 \ubcf4\uae30 “[Dart \uc5b8\uc5b4\uac15\uc88c]  012. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218\uc640 \ud544\ud130\ub9c1 \ub9e4\ud551”<\/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-43491","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"\n[Dart \uc5b8\uc5b4\uac15\uc88c] 012. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218\uc640 \ud544\ud130\ub9c1 \ub9e4\ud551 - \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\/43491\/\" \/>\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] 012. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218\uc640 \ud544\ud130\ub9c1 \ub9e4\ud551 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"Dart\ub294 \ud604\ub300\uc801\uc778 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub2e4\uc591\ud55c \uae30\ub2a5\uacfc \uac15\ub825\ud55c \ucf5c\ub809\uc158\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \ud6a8\uc728\uc801\uc73c\ub85c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uac8c \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218 \ubc0f \uc774\ub7ec\ud55c \ucf5c\ub809\uc158\uc744 \ud544\ud130\ub9c1\ud558\uace0 \ub9e4\ud551\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. Dart\uc758 \ucf5c\ub809\uc158(Collection) Dart\uc5d0\uc11c \ucf5c\ub809\uc158\uc740 \uc5ec\ub7ec \ub370\uc774\ud130\ub97c \uad6c\uc870\uc801\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ud0c0\uc785\uc785\ub2c8\ub2e4. Dart\uc5d0\uc11c\ub294 \uc8fc\ub85c List, Set, Map\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158 … \ub354 \ubcf4\uae30 "[Dart \uc5b8\uc5b4\uac15\uc88c] 012. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, \uace0\ucc28 \ud568\uc218\uc640 \ud544\ud130\ub9c1 \ub9e4\ud551"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/43491\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-28T12:31:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-24T00:04:18+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\/43491\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/43491\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"[Dart \uc5b8\uc5b4\uac15\uc88c] 012. 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