{"id":378,"date":"2020-03-16T09:00:36","date_gmt":"2020-03-16T00:00:36","guid":{"rendered":"http:\/\/mobilelab.khu.ac.kr\/?p=378"},"modified":"2020-04-04T22:04:42","modified_gmt":"2020-04-04T13:04:42","slug":"be-dart-programmer-09","status":"publish","type":"post","link":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/2020\/03\/16\/be-dart-programmer-09\/","title":{"rendered":"Dart Programmer \ub418\uae30 [09]"},"content":{"rendered":"\n

< Dart \uae30\ucd08\ubb38\ubc95 – String Types ><\/h4>\n\n\n\n

Be.Programmer [07]\uc5d0\uc11c String\uc774\ub77c\ub294 \ub370\uc774\ud0c0 \ud0c0\uc785\uc744 \ubbf8\ub9ac \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uae00\uc790\ub4e4\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubb38\uc790\uc5f4\uc744 \uc800\uc7a5\ud558\ub294 \uc6a9\ub3c4\uc600\uc2b5\ub2c8\ub2e4. String\uc740 \ub9e4\uc6b0 \ub9ce\uc740 \uc6a9\ub3c4\uc5d0\uc11c \ud65c\uc6a9\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc218\ud559 \uacc4\uc0b0\uc740 \uc815\uc218\uc640 \uc2e4\uc218 \ud0c0\uc785\uc744 \uc8fc\ub85c \uc791\uc5c5\uc744 \ud558\uc9c0\ub9cc, \uc6f9 \ud06c\ub864\ub9c1, \uc790\uc5f0\uc5b4 \ucc98\ub9ac \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ucef4\ud4e8\ud130\uac00 \ucc98\ub9ac\ud558\ub294 \ub370\uc774\ud0c0 \ud0c0\uc785\uc740 String\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

String \ub370\uc774\ud0c0 \ud0c0\uc785<\/h4>\n\n\n\n

Be.Programmer [07]\uc5d0\uc11c \uac04\ub2e8\ud788 \uc0b4\ud3b4\ubcf8 String\uc740 \ub2e4\uc74c\uc758 \ub2e4\uc591\ud55c \ud615\ud0dc\ub85c \ubb38\uc790\uc5f4\uc744 \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 dart.dev \uc0ac\uc774\ud2b8\uc758 \uc608\uc81c\ub97c \uac04\ub2e8\ud788 \ubcc0\ud658\ud55c \ud615\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\/\/ darttutorial-09-01.dart\n\nvoid main() {\n  var s1 = 'Single quotes work well for string literals.';\n  var s2 = \"Double quotes work just as well.\";\n  var s3 = 'It\\'s easy to escape the string delimiter.';\n  var s4 = \"It's even easier to use the other delimiter.\";\n\n  print(\" $s1 \\n $s2 \\n $s3 \\n $s4 \");\n}<\/pre>\n\n\n\n
\ud504\ub85c\uadf8\ub7a8\uc758 \uc218\ud589\uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
 Single quotes work well for string literals. \n Double quotes work just as well. \n It's easy to escape the string delimiter. \n It's even easier to use the other delimiter.<\/pre>\n\n\n\n
\ubb38\uc790\uc5f4\uc740 ‘ ‘ \ud639\uc740 ” ” \uae30\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud45c\ud604 \ud569\ub2c8\ub2e4. \ub458 \uac04\uc758 \ucc28\uc774\uc810\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. s1\uc740 ‘ ‘ \uae30\ud638\ub97c \uc0ac\uc6a9\ud558\uc600\uace0, s2\ub294 ” ” \uae30\ud638\ub97c \uc0ac\uc6a9\ud55c \uacbd\uc6b0\uc785\ub2c8\ub2e4. s4 \ucc98\ub7fc it’s \uac19\uc740 \ud45c\ud604\uc744 \ud558\uace0 \uc2f6\ub2e4\uba74, Double quotation mark \uae30\ud638\ub85c \ubb38\uc790\uc5f4\uc744 \uac10\uc2f8 \uc8fc\uba74 \ub429\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc740 \uacbd\uc6b0\ub294 \ubb38\uc790\uc5f4 \uc548\uc5d0\uc11c single quotation mark \uc55e\uc5d0 \\ \uae30\ud638\ub97c \uc0ac\uc6a9\ud558\uba74 \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74, \ubb38\uc790\uc5f4\uc548\uc5d0 \\ \uae30\ud638 \ub4a4\uc758 \uae00\uc790\ub97c \ub123\uae30 \uc704\ud55c \ud2b9\uc218 \uae30\ud638\ub85c \\ \uae30\ud638\ub97c \uc778\uc2dd\ud568\uc73c\ub85c, \uacb0\uacfc\uc801\uc73c\ub85c s3\uc758 \uacb0\uacfc \uac12\ucc98\ub7fc, \uae30\ud638 \\\uc740 \uc0ac\ub77c\uc9c0\uace0 ‘ \uae30\ud638\ub9cc \ucd9c\ub825\uc774 \ub418\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc218 \uae30\ud638\uc778 \\\uc744 \uc0ac\uc6a9\ud55c \uc608\uac00 \ub9c8\uc9c0\ub9c9 print \uad6c\ubb38 \uc548\uc5d0\uc11c\ub3c4 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4. \\ \uae30\ud638 \ub4a4\uc5d0 n\uc774 \uc788\uc73c\uba74, \uc904 \ubc14\uafb8\uae30\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uacb0\uacfc\ucc98\ub7fc \uac01\uac01\uc758 \ubb38\uc790\uc5f4\uc774 \ub2e4\ub978 \uc904\ub85c \ucd9c\ub825\ub41c \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
String \ub370\uc774\ud0c0 \ud0c0\uc785\uc73c\ub85c \uc815\uc218\/\uc2e4\uc218 \uac12 \ubcc0\ud658\ud558\uae30<\/h4>\n\n\n\n
Be.Programmer [8]\uc5d0\uc11c \uc22b\uc790\ub9cc\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubb38\uc790\uc5f4\uc744 \uc815\uc218 \ud639\uc740 \uc2e4\uc218 \ub370\uc774\ud0c0 \ud0c0\uc785\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uc608\uc81c\ub97c \uc0b4\ud3b4 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ub2f9\uc5f0\ud558\uac8c \uc720\ucd94\ud558\uaca0\uc9c0\ub9cc, \ubc18\ub300\uc758 \uacbd\uc6b0\ub3c4 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc544\ub798\uc758 darttutorial-09-02.dart \ud504\ub85c\uadf8\ub7a8\uc744 \uc0b4\ud3b4\ubd05\uc2dc\ub2e4. <\/p>\n\n\n\n
\/\/ darttutorial-09-02.dart\n\nvoid main() {\n  String s1 = 1.toString();\n  String s2 = 3.141592.toStringAsFixed(4);\n\n  print(\"$s1 $s2\");\n}<\/pre>\n\n\n\n
\uc704\uc758 darttutorial-09-02.dart \ud504\ub85c\uadf8\ub7a8\uc744 \ubcf4\uba74, s1\uc740 \uc815\uc218 1\uc758 \uc22b\uc790 \ub4a4\uc5d0 ‘.’ \uae30\ud638\ub97c \uc0ac\uc6a9\ud55c \ud6c4, toString()\uc774\ub77c\ub294 \ubb38\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7f0 \ubb38\ubc95\uc740 \uc774\ud6c4 \ud074\ub798\uc2a4\ub97c \ubc30\uc6b0\uba74 \uc6d0\ub9ac\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c0\uae08\uc740 \uc774\ub7f0 \ud615\ud0dc\uc758 \ubcc0\ud658\uc774 \ud544\uc694\ud560\ub54c\ub97c \uc704\ud558\uc5ec \uc870\uae30\uc5d0 \uc124\uba85\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. s2\uc758 \uacbd\uc6b0\ub294 \uc2e4\uc218 \ub370\uc774\ud0c0\ub97c \ubb38\uc790\uc5f4\ub85c \ubc14\uafb8\ub294 \uac83\uc744 \ubcf4\uc5ec \uc90d\ub2c8\ub2e4. \uc2e4\uc218\uc758 \uacbd\uc6b0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc2e4\uc218\uc758 \ub9c8\uc9c0\ub9c9 \ub05d\uc5d0 ‘.’ \uae30\ud638\ub97c \uc0ac\uc6a9\ud55c \ud6c4, toString\uc744 \uc0ac\uc6a9\ud558\ub294\ub370, \uc774 \uacbd\uc6b0\ub294 \uc18c\uc22b\uc810 n\uc790\ub9ac \uae4c\uc9c0\ub9cc \uc9e4\ub77c\uc11c \ubb38\uc790\uc5f4\ub85c \ubc14\uafb8\ub294 \ubb38\ubc95\uc778 toStringAsFixed\ub97c \uc0ac\uc6a9\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc9c0\uae08\uc740 n\uc774 4\uc774\ubbc0\ub85c, \uc2e4\uc218\uc778 3.142592\uc758 \uc18c\uc218\uc810 \ubc11 4\ubc88\uc9f8 \uc790\ub9ac\uc778 5\uae4c\uc9c0\ub97c \ud3ec\ud568\ud558\uc5ec \ubb38\uc790\uc5f4\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \ub530\ub77c\uc11c print \uad6c\ubb38\uc740 1 3.1416\uc744 \uacb0\uacfc\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n
\ubcf5\uc218 \ubb38\uc790\uc5f4 \ud639\uc740 \ubcf5\uc218 \uc904\ub85c \uc774\ub8e8\uc5b4\uc9c4 String \ub370\uc774\ud0c0 \ub9cc\ub4e4\uae30<\/h4>\n\n\n\n
\ub2e4\ub8e8\uace0\uc790 \ud558\ub294 \ubb38\uc790\uc5f4\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c \ubcf5\uc218\uc758 \ubb38\uc790\uc5f4\uc744 \uc5f0\uacb0\ud574\uc11c \ud558\ub098\ub85c \ub9cc\ub4e4\uc5b4\uc57c \ud558\uac70\ub098, \ud639\uc740 \uc5ec\ub7ec \uc904\uc758 \ubb38\uc7a5\uc744 \uc5f0\uacb0\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud55c Dart \uc5b8\uc5b4\uc758 \uc608\uc81c\uac00 \uc544\ub798\uc758 darttutorial-09-03.dart\uc5d0 3\uac00\uc9c0 \ubc29\ubc95\uc73c\ub85c \ub098\ud0c0\ub098 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\/\/ darttutorial-09-03.dart\n\nvoid main() {\n  String s1 = \"My name is \";\n  String s2 = \"Dr.Sungwon\";\n  String s3 = s1 + s2;\n\n  var s4 = 'My '\n      'name '\n      'is '\n      'Dr.Sungwon';\n\n  dynamic s5 = '''\n  My name is Dr.Sungwon.\n  Dart is lovely.\n  ''';\n\n  print(\"$s3\\n$s4\\n$s5\");\n}<\/pre>\n\n\n\n
s3\ub294 \ub450 \uac1c\uc758 \ubb38\uc790\uc5f4\uc744 \ud569\uce58\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ub0af\uc124\uc9c0\ub9cc \uc22b\uc790 \ub370\uc774\ud0c0\ub97c \ub2e4\ub8f0\ub54c \uc124\uba85\ud588\ub358 + \uc5f0\uc0b0\uc790\ub294 \ubb38\uc790\uc5f4\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc758\ubbf8\ub294 \uc218\ud559 \ucc98\ub7fc \ub450\uac1c\uc758 \ubb38\uc790\uc5f4\uc744 \ud558\ub098\ub85c \ud569\uce58\ub294 \ud6a8\uacfc \uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \ud568\uc73c\ub85c\uc368 s3\ub294 “My name is Dr.Sungwon”\uac00 \ub429\ub2c8\ub2e4. <\/p>\n\n\n\n
s4\ub294 \ud2b9\uc774\ud558\uc9c0\ub9cc, \ubcf5\uc218\uc758 \ubb38\uc790\uc5f4\uc744 \uadf8\ub0e5 \uc5f0\uc774\uc5b4 \ub098\uc5f4\ud55c \uacbd\uc6b0\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0\ub294 ‘My ‘ + ‘name’ + ‘is’ + ‘Dr.Sungwon’\uc758 \uc758\ubbf8\ub77c\uace0 \ubcf4\uba74 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c s4\ub97c \ucd9c\ub825\ud558\uba74 s3\uc640 \ub3d9\uc77c\ud55c \uacb0\uacfc\ub97c \ucd9c\ub825 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
s5\ub294 \uc2dc\uc791 \ubd80\ubd84\uc5d0 ‘ \uae30\ud638\ub97c 3\ubc88 \uc5f0\uacb0\ud574\uc11c ”’\uc640 \uac19\uc774 \ub098\ud0c0\ub0c8\uace0, \ub9c8\uc9c0\ub9c9 \uc904\uc5d0 \ub2e4\uc2dc ”’\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2eb\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\ubc95\uc774 \uc758\ubbf8\ud558\ub294 \uac83\uc740 s5\uac00 \ub450\uac1c\uc758 \uc904\uc774 \ud558\ub098\ub85c \ud569\uccd0\uc9c4 \ubcf5\uc218\uc758 \uc904\uc744 \uac16\ub294 \ubb38\uc790\uc5f4\uc774\ub77c\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c s5\ub97c \ucd9c\ub825\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n
  My name is Dr.Sungwon.\n  Dart is lovely.<\/pre>\n\n\n\n
\ub9c8\ubb34\ub9ac<\/h4>\n\n\n\n
\ucef4\ud4e8\ud130\ub294 \uc218\ud559\uc744 \uc8fc\ub85c \ub2e4\ub8e8\uae30 \uc704\ud558\uc5ec \ub9cc\ub4e4\uc5b4 \uc84c\uc9c0\ub9cc, \ucd5c\uadfc\uc758 \ucef4\ud4e8\ud130 \ud65c\uc6a9 \ubd84\uc57c\ub294 \uc778\uac04\uc774 \ub9cc\ub4e4\uc5b4 \ub193\uc740 \ub370\uc774\ud0c0\ub97c \ub2e4\ub8e8\ub294 \uac83\uc774 \uc8fc \ubaa9\uc801\uc774 \ub418\uc5c8\uae30\uc5d0, \ub2e4\uc591\ud55c \ubb38\uc790\uc640 \ucc45\ub4e4\uc744 \ub2e4\ub8e8\uace0 \uc788\uc2b5\ub2c8\ub2e4. Dart  \uc5b8\uc5b4\uc758 String\uc740 \uc774\ub7f0 \ubb38\uc790\uc5f4(\ub4e4)\uc744 \ub2e4\ub8e8\ub294 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ud6c4 \ud074\ub798\uc2a4\uc640 \ud568\uc218\ub97c \ubc30\uc6b0\uace0 \ub098\uba74 Dart\uc758 String\uc774 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubcf4\ub2e4 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \ub2e4\uc2dc \uc54c\uc544 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
Creative Commons License<\/strong> (CC BY-NC-ND<\/strong>)<\/p>\n","protected":false},"excerpt":{"rendered":"
< Dart \uae30\ucd08\ubb38\ubc95 – String Types > Be.Programmer [07]\uc5d0\uc11c String\uc774\ub77c\ub294 \ub370\uc774\ud0c0 \ud0c0\uc785\uc744 \ubbf8\ub9ac \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uae00\uc790\ub4e4\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubb38\uc790\uc5f4\uc744 \uc800\uc7a5\ud558\ub294 \uc6a9\ub3c4\uc600\uc2b5\ub2c8\ub2e4. String\uc740 \ub9e4\uc6b0 \ub9ce\uc740 \uc6a9\ub3c4\uc5d0\uc11c \ud65c\uc6a9\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc218\ud559 \uacc4\uc0b0\uc740 \uc815\uc218\uc640 \uc2e4\uc218 \ud0c0\uc785\uc744 …<\/p>\n","protected":false},"author":1,"featured_media":855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[3],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/378"}],"collection":[{"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=378"}],"version-history":[{"count":5,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/378\/revisions"}],"predecessor-version":[{"id":618,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/378\/revisions\/618"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/media\/855"}],"wp:attachment":[{"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}