{"id":43489,"date":"2024-11-28T12:31:36","date_gmt":"2024-11-28T12:31:36","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=43489"},"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-011-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-list-set-map%ec%9d%98-%ec%82%ac%ec%9a%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/43489\/","title":{"rendered":"[Dart \uc5b8\uc5b4\uac15\uc88c] 011. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, List, Set, Map\uc758 \uc0ac\uc6a9\ubc95"},"content":{"rendered":"

\n Dart \uc5b8\uc5b4\ub294 \uac15\ub825\ud55c \ud0c0\uc785 \uc2dc\uc2a4\ud15c\uacfc \ud568\uaed8 \ub9e4\uc6b0 \ub6f0\uc5b4\ub09c \ucf5c\ub809\uc158 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.
\n Dart\uc5d0\uc11c\uc758 \ucf5c\ub809\uc158\uc774\ub780 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uace0 \uc870\uc791\ud560 \uc218 \uc788\ub294 \uac1d\uccb4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.
\n \ubcf8 \uae00\uc5d0\uc11c\ub294 List, Set, Map\uc774\ub77c\ub294 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uace0, \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uacfc \uc608\uc81c\ub97c \ud1b5\ud574 \uac01 \ucf5c\ub809\uc158\uc758 \ud2b9\uc9d5\uc744 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n<\/p>\n

1. List<\/h2>\n

\n List\ub294 \uc21c\uc11c\uac00 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ucf5c\ub809\uc158\uc785\ub2c8\ub2e4.
\n Dart\uc758 List\ub294 \ubc30\uc5f4(array)\uc640 \uc720\uc0ac\ud558\uac8c \ub3d9\uc791\ud558\uc9c0\ub9cc, \ud06c\uae30\uac00 \ub3d9\uc801\uc73c\ub85c \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n List\ub294 \uac19\uc740 \ub370\uc774\ud130 \ud0c0\uc785\uc758 \uac1d\uccb4 \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub2e4\uc591\ud55c \ub370\uc774\ud130 \ud0c0\uc785\uc758 \uac1d\uccb4\ub3c4 \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n

1.1. List \uc0dd\uc131<\/h3>\n
void main() {\n    \/\/ \ube48 \ub9ac\uc2a4\ud2b8 \uc0dd\uc131\n    List<int> numbers = [];\n    \n    \/\/ \ucd08\uae30 \uac12\uc73c\ub85c \ub9ac\uc2a4\ud2b8 \uc0dd\uc131\n    List<String> fruits = ['Apple', 'Banana', 'Cherry'];\n    \n    \/\/ \ub9ac\uc2a4\ud2b8\uc758 \ud06c\uae30 \uc9c0\uc815\n    List<double> temperatures = List.filled(5, 0.0);\n    \n    print(numbers); \/\/ []\n    print(fruits); \/\/ [Apple, Banana, Cherry]\n    print(temperatures); \/\/ [0.0, 0.0, 0.0, 0.0, 0.0]\n}\n<\/code><\/pre>\n
1.2. List\uc758 \uc8fc\uc694 \uba54\uc11c\ub4dc<\/h3>\n
\n    List \uac1d\uccb4\uc5d0\ub294 \ub370\uc774\ud130 \uc870\uc791\uc744 \uc704\ud55c \uc5ec\ub7ec \uac00\uc9c0 \uba54\uc11c\ub4dc\uac00 \uc788\uc2b5\ub2c8\ub2e4.
\n    \uba87 \uac00\uc9c0 \uc8fc\uc694 \uba54\uc11c\ub4dc\uc640 \uadf8 \uc0ac\uc6a9 \uc608\uc81c\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    List<String> fruits = ['Apple', 'Banana', 'Cherry'];\n\n    \/\/ \ucd94\uac00\n    fruits.add('Dragonfruit');\n    print(fruits); \/\/ [Apple, Banana, Cherry, Dragonfruit]\n\n    \/\/ \uc5ec\ub7ec \uac1c \ucd94\uac00\n    fruits.addAll(['Elderberry', 'Fig']);\n    print(fruits); \/\/ [Apple, Banana, Cherry, Dragonfruit, Elderberry, Fig]\n\n    \/\/ \uc0ad\uc81c\n    fruits.remove('Banana');\n    print(fruits); \/\/ [Apple, Cherry, Dragonfruit, Elderberry, Fig]\n\n    \/\/ \uc778\ub371\uc2a4 \uc0ac\uc6a9\n    String firstFruit = fruits[0];\n    print(firstFruit); \/\/ Apple\n\n    \/\/ \uae38\uc774\n    int length = fruits.length;\n    print(length); \/\/ 5\n}\n<\/code><\/pre>\n
1.3. List\uc758 \ubc18\ubcf5 \ucc98\ub9ac<\/h3>\n
\n    List\uc5d0 \uc800\uc7a5\ub41c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ubc18\ubcf5 \ucc98\ub9ac\ub294 for \ub8e8\ud504, forEach \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    List<String> fruits = ['Apple', 'Banana', 'Cherry'];\n\n    \/\/ for \ub8e8\ud504 \uc0ac\uc6a9\n    for (var fruit in fruits) {\n        print(fruit);\n    }\n\n    \/\/ forEach \uba54\uc11c\ub4dc \uc0ac\uc6a9\n    fruits.forEach((fruit) {\n        print(fruit);\n    });\n}\n<\/code><\/pre>\n
2. Set<\/h2>\n
\n    Set\uc740 \uc911\ubcf5\ub418\uc9c0 \uc54a\ub294 \uc720\uc77c\ud55c \uac1d\uccb4\uc758 \ubaa8\uc74c\uc785\ub2c8\ub2e4.
\n    Set \ucf5c\ub809\uc158\uc740 \uc694\uc18c\uc758 \uc21c\uc11c\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\uc73c\uba70, \uac12\uc758 \uc874\uc7ac \uc720\ubb34\ub9cc\uc73c\ub85c \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4.
\n    Dart\uc5d0\uc11c Set\uc740 \ucd94\uac00, \uc0ad\uc81c, \ud3ec\ud568 \uc5ec\ubd80 \ud655\uc778 \ub4f1\uc744 \ube60\ub974\uac8c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n
2.1. Set \uc0dd\uc131<\/h3>\n
void main() {\n    \/\/ \ube48 \uc138\ud2b8 \uc0dd\uc131\n    Set<int> uniqueNumbers = {};\n    \n    \/\/ \ucd08\uae30 \uac12\uc73c\ub85c \uc138\ud2b8 \uc0dd\uc131\n    Set<String> uniqueFruits = {'Apple', 'Banana', 'Cherry'};\n    \n    print(uniqueNumbers); \/\/ {}\n    print(uniqueFruits); \/\/ {Apple, Banana, Cherry}\n}\n<\/code><\/pre>\n
2.2. Set\uc758 \uc8fc\uc694 \uba54\uc11c\ub4dc<\/h3>\n
\n    Set \uac1d\uccb4\uc5d0\ub3c4 \ub2e4\uc591\ud55c \uba54\uc11c\ub4dc\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    Set<String> uniqueFruits = {'Apple', 'Banana', 'Cherry'};\n\n    \/\/ \ucd94\uac00\n    uniqueFruits.add('Dragonfruit');\n    print(uniqueFruits); \/\/ {Apple, Banana, Cherry, Dragonfruit}\n\n    \/\/ \uc911\ubcf5 \ucd94\uac00\ub294 \ubb34\uc2dc\ub428\n    uniqueFruits.add('Apple');\n    print(uniqueFruits); \/\/ {Apple, Banana, Cherry, Dragonfruit}\n\n    \/\/ \uc0ad\uc81c\n    uniqueFruits.remove('Banana');\n    print(uniqueFruits); \/\/ {Apple, Cherry, Dragonfruit}\n    \n    \/\/ \uae38\uc774\n    int length = uniqueFruits.length;\n    print(length); \/\/ 3\n}\n<\/code><\/pre>\n
2.3. Set\uc758 \ubc18\ubcf5 \ucc98\ub9ac<\/h3>\n
\n    Set\ub3c4 List\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ubc18\ubcf5 \ucc98\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    Set<String> uniqueFruits = {'Apple', 'Banana', 'Cherry'};\n\n    \/\/ for \ub8e8\ud504 \uc0ac\uc6a9\n    for (var fruit in uniqueFruits) {\n        print(fruit);\n    }\n\n    \/\/ forEach \uba54\uc11c\ub4dc \uc0ac\uc6a9\n    uniqueFruits.forEach((fruit) {\n        print(fruit);\n    });\n}\n<\/code><\/pre>\n
3. Map<\/h2>\n
\n    Map\uc740 \ud0a4\uc640 \uac12\uc758 \uc30d\uc73c\ub85c \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud558\ub294 \uc720\uc6a9\ud55c \ucf5c\ub809\uc158\uc785\ub2c8\ub2e4.
\n    \ud0a4\ub294 \uace0\uc720\ud574\uc57c \ud558\uba70, \uac01\uac01\uc758 \ud0a4\ub294 \ud558\ub098\uc758 \uac12\uc5d0\ub9cc \uc5f0\uacb0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n    Map\uc744 \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\uc758 \ube60\ub978 \uac80\uc0c9 \ubc0f \uad00\ub9ac\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n
3.1. Map \uc0dd\uc131<\/h3>\n
void main() {\n    \/\/ \ube48 \ub9f5 \uc0dd\uc131\n    Map<String, int> fruitPrices = {};\n    \n    \/\/ \ucd08\uae30 \uac12\uc73c\ub85c \ub9f5 \uc0dd\uc131\n    Map<String, String> countryCapitals = {\n        'USA': 'Washington D.C.',\n        'France': 'Paris',\n        'Japan': 'Tokyo',\n    };\n    \n    print(fruitPrices); \/\/ {}\n    print(countryCapitals); \/\/ {USA: Washington D.C., France: Paris, Japan: Tokyo}\n}\n<\/code><\/pre>\n
3.2. Map\uc758 \uc8fc\uc694 \uba54\uc11c\ub4dc<\/h3>\n
\n    Map\uc5d0\uc11c\ub3c4 \ub2e4\uc591\ud55c \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc870\uc791\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    Map<String, int> fruitPrices = {\n        'Apple': 3,\n        'Banana': 1,\n        'Cherry': 5,\n    };\n\n    \/\/ \ucd94\uac00\n    fruitPrices['Dragonfruit'] = 4;\n    print(fruitPrices); \/\/ {Apple: 3, Banana: 1, Cherry: 5, Dragonfruit: 4}\n\n    \/\/ \uc218\uc815\n    fruitPrices['Banana'] = 2;\n    print(fruitPrices); \/\/ {Apple: 3, Banana: 2, Cherry: 5, Dragonfruit: 4}\n\n    \/\/ \uc0ad\uc81c\n    fruitPrices.remove('Cherry');\n    print(fruitPrices); \/\/ {Apple: 3, Banana: 2, Dragonfruit: 4}\n\n    \/\/ \ud0a4 \uc874\uc7ac \uc5ec\ubd80 \ud655\uc778\n    bool hasBanana = fruitPrices.containsKey('Banana');\n    print(hasBanana); \/\/ true\n\n    \/\/ \uae38\uc774\n    int length = fruitPrices.length;\n    print(length); \/\/ 3\n}\n<\/code><\/pre>\n
3.3. Map\uc758 \ubc18\ubcf5 \ucc98\ub9ac<\/h3>\n
\n    Map\uc758 \ubaa8\ub4e0 \ud0a4\uc640 \uac12\uc5d0 \ub300\ud55c \ubc18\ubcf5 \ucc98\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n<\/p>\n
void main() {\n    Map<String, int> fruitPrices = {\n        'Apple': 3,\n        'Banana': 1,\n        'Cherry': 5,\n    };\n\n    \/\/ keys() \uba54\uc11c\ub4dc\ub85c \ubc18\ubcf5\n    for (var key in fruitPrices.keys) {\n        print('Fruit: $key, Price: ${fruitPrices[key]}');\n    }\n\n    \/\/ entries() \uba54\uc11c\ub4dc\ub85c \ubc18\ubcf5\n    fruitPrices.forEach((key, value) {\n        print('Fruit: $key, Price: $value');\n    });\n}\n<\/code><\/pre>\n
\uacb0\ub860<\/h2>\n
\n    Dart\uc758 List, Set, Map\uc740 \uac01\uac01\uc758 \ud2b9\uc131\uacfc \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \ud6a8\uacfc\uc801\uc73c\ub85c \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n    List\ub294 \uc21c\uc11c\uac00 \uc788\ub294 \ub370\uc774\ud130 \uceec\ub809\uc158, Set\uc740 \uace0\uc720\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uceec\ub809\uc158, Map\uc740 \ud0a4-\uac12 \uc30d\uc73c\ub85c \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \ub370 \uc801\ud569\ud558\ub2e4\ub294 \uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.
\n    \uc774\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0, \uae54\ub054\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
Dart \uc5b8\uc5b4\ub294 \uac15\ub825\ud55c \ud0c0\uc785 \uc2dc\uc2a4\ud15c\uacfc \ud568\uaed8 \ub9e4\uc6b0 \ub6f0\uc5b4\ub09c \ucf5c\ub809\uc158 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. Dart\uc5d0\uc11c\uc758 \ucf5c\ub809\uc158\uc774\ub780 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uace0 \uc870\uc791\ud560 \uc218 \uc788\ub294 \uac1d\uccb4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 List, Set, Map\uc774\ub77c\ub294 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uace0, \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uacfc \uc608\uc81c\ub97c \ud1b5\ud574 \uac01 \ucf5c\ub809\uc158\uc758 \ud2b9\uc9d5\uc744 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. List List\ub294 \uc21c\uc11c\uac00 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ucf5c\ub809\uc158\uc785\ub2c8\ub2e4. Dart\uc758 List\ub294 \ubc30\uc5f4(array)\uc640 \uc720\uc0ac\ud558\uac8c \ub3d9\uc791\ud558\uc9c0\ub9cc, \ud06c\uae30\uac00 \ub3d9\uc801\uc73c\ub85c … \ub354 \ubcf4\uae30 “[Dart \uc5b8\uc5b4\uac15\uc88c]  011. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, List, Set, Map\uc758 \uc0ac\uc6a9\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-43489","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"\n[Dart \uc5b8\uc5b4\uac15\uc88c] 011. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, List, Set, Map\uc758 \uc0ac\uc6a9\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\/43489\/\" \/>\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] 011. Dart\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ucf5c\ub809\uc158, List, Set, Map\uc758 \uc0ac\uc6a9\ubc95 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"Dart \uc5b8\uc5b4\ub294 \uac15\ub825\ud55c \ud0c0\uc785 \uc2dc\uc2a4\ud15c\uacfc \ud568\uaed8 \ub9e4\uc6b0 \ub6f0\uc5b4\ub09c \ucf5c\ub809\uc158 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. Dart\uc5d0\uc11c\uc758 \ucf5c\ub809\uc158\uc774\ub780 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uace0 \uc870\uc791\ud560 \uc218 \uc788\ub294 \uac1d\uccb4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 List, Set, Map\uc774\ub77c\ub294 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ucf5c\ub809\uc158\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uace0, \ub2e4\uc591\ud55c \uc0ac\uc6a9\ubc95\uacfc \uc608\uc81c\ub97c \ud1b5\ud574 \uac01 \ucf5c\ub809\uc158\uc758 \ud2b9\uc9d5\uc744 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. List List\ub294 \uc21c\uc11c\uac00 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ucf5c\ub809\uc158\uc785\ub2c8\ub2e4. Dart\uc758 List\ub294 \ubc30\uc5f4(array)\uc640 \uc720\uc0ac\ud558\uac8c \ub3d9\uc791\ud558\uc9c0\ub9cc, \ud06c\uae30\uac00 \ub3d9\uc801\uc73c\ub85c … \ub354 \ubcf4\uae30 "[Dart \uc5b8\uc5b4\uac15\uc88c] 011. 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