{"id":562,"date":"2020-06-22T09:00:41","date_gmt":"2020-06-22T00:00:41","guid":{"rendered":"http:\/\/mobilelab.khu.ac.kr\/?p=562"},"modified":"2021-06-13T17:47:28","modified_gmt":"2021-06-13T08:47:28","slug":"be-dart-programmer-23","status":"publish","type":"post","link":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/2020\/06\/22\/be-dart-programmer-23\/","title":{"rendered":"Dart Programmer \ub418\uae30 [23]"},"content":{"rendered":"\n<h4>&lt; Dart \uae30\ucd08\ubb38\ubc95 &#8211; Console I\/O (Input &amp; Output) &gt;<\/h4>\n\n\n\n<p>\uc544\ub9c8 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub97c \ud558\ub098 \uc988\uc74c \ubc30\uc6cc\ubcf8 \uc0ac\ub78c\uc774\ub77c\uba74, \uc9c0\uae08 \uc988\uc74c \uc758\uc544\ud574 \ud560 \ubd80\ubd84\uc774 \uc788\uc2b5\ub2c8\ub2e4. &#8220;\uc65c \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ud0a4\ubcf4\ub4dc\ub97c \ud1b5\ud574\uc11c \uc785\ub825\uc744 \ubc1b\ub294 \ubd80\ubd84\uc774 \uc804\ud600 \uc548 \ub098\uc624\uc9c0?&#8221;. \uc774\uc81c Dart \uc5b8\uc5b4\ub97c \ud1b5\ud574\uc11c \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ud0a4\ubcf4\ub4dc\ub97c \ud1b5\ud574\uc11c \uc785\ub825\uc744 \ubc1b\uc544, \uc774\ub97c \ucc98\ub9ac\ud558\ub294 \ud504\ub85c\uadf8\ub7a8 \uae30\ubc95\uc5d0 \ub300\ud574\uc11c \uc774\uc57c\uae30\ub97c \ud558\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4. \ucc38\uace0\ub85c \ucf58\uc194(Console) \uc774\ub77c\ub294 \ub2e8\uc5b4\ub294 MS \uc708\ub3c4\uc6b0\uc758 \ub3c4\uc2a4\ucc3d \ud639\uc740 \ud130\ubbf8\ub0a0, MacOS\/Linux\uc758 \ud130\ubbf8\ub0a0\uc774\ub77c\ub294 \uae4c\ub9cc \ucc3d\uc5d0\uc11c \uae00\uc790\ub4e4\ub9cc \uc785\ub825\/\ucd9c\ub825\ub418\ub294 \ubaa8\ub4dc\ub97c \uc774\uc57c\uae30 \ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ubc14\ub85c \ub2e4\uc74c \uc808\uc5d0\uc11c \uc124\uba85\ud560 CLI\ub294 Command Line Interface\uc758 \uc57d\uc5b4\ub85c\uc11c, \ucf58\uc194(\ud639\uc740 \ud130\ubbf8\ub0a0)\uc5d0\uc11c \uc0ac\uc6a9\uc790\uc640 \ud0a4\ubcf4\ub4dc\uc640 \ud654\uba74\ub9cc\uc73c\ub85c (\ub9c8\uc6b0\uc2a4 \ub4f1 \uadf8\ub798\ud53d \uc778\ud130\ud398\uc774\uc2a4 \uc5c6\uc774) \ub3d9\uc791\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4><em>Command-Line<\/em> Interface vs <em>Web<\/em> Interface<\/h4>\n\n\n\n<p>\uc65c \uc774\uc81c\uc11c\uc57c \ud0a4\ubcf4\ub4dc \uc785\ub825\uc744 \uc124\uba85\ud558\ub294\uc9c0 \uc774\uc720\ub97c \uc54c\uc544\ubd05\ub2c8\ub2e4. Dart \uc5b8\uc5b4\ub294 \ucd5c\uadfc\uc5d0 \ub9cc\ub4e4\uc5b4\uc9c4 \uc5b8\uc5b4\ub85c\uc11c, \uc2a4\ub9c8\ud2b8\ud3f0\uc758 \ubaa8\ubc14\uc77c\uc571(MobileApp)\uacfc \uc6f9\uc778\ud130\ud398\uc774\uc2a4(Web)\uc744 \uc9c0\uc6d0\ud558\uba74\uc11c, \uc11c\ubc84(Server) \ucabd\uc758 \ud504\ub85c\uadf8\ub798\ubc0d\ub3c4 \ub3d9\uc2dc\uc5d0 \uac00\ub2a5\ud55c \uc5b8\uc5b4\uc785\ub2c8\ub2e4. \ub450\uac00\uc9c0 \uacbd\uc6b0\uc5d0 \ub300\ud574\uc11c \ubcc4\ub3c4\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \ucd94\uac00\ub85c \uc124\uce58\ud558\uc9c0 \uc54a\uc544\ub3c4 Dart \uc5b8\uc5b4\uc758 \uae30\ubcf8 \uae30\ub2a5\uc73c\ub85c \uac1c\ubc1c\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9cc\uc57d JavaScript \uc600\ub2e4\uba74 \uc774\uc57c\uae30\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. JavaScript \uc5b8\uc5b4\ub294 \uc6f9\uc778\ud130\ud398\uc774\uc2a4\ub97c \uae30\ubcf8\uc73c\ub85c \uc81c\uacf5\ud558\uae30\uc5d0 \ubcc4\ub3c4\uc758 \ucd94\uac00 \ub3c4\uad6c\uac00 \ud544\uc694 \uc5c6\uc9c0\ub9cc, \ubaa8\ubc14\uc77c\uc571\uc744 \ub9cc\ub4e4\uace0\uc790 \ud55c\ub2e4\uba74 \ucd94\uac00\ub85c Cordova\/PhoneGap \ub4f1\uc758 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \uc11c\ubc84 \ucabd\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e0\ub2e4\uba74 \ub2e4\uc2dc \ucd94\uac00\ub85c Node.js \ub4f1\uc758 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubaa8\ub4e0 \uacbd\uc6b0\uc5d0 \ub300\ud574\uc11c Dart\ub294 \uc5b8\uc5b4\uc758 \uae30\ubcf8 \uae30\ub2a5\uc73c\ub85c \uc77c\ub2e8 \uc2dc\uc791\uc774 \uac00\ub2a5 \ud569\ub2c8\ub2e4. \uc774 \uc911 \uc9c0\uae08 \uc124\uba85\ud560 \ucf58\uc194 I\/O \uc989, \ucef4\ud4e8\ud130 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \ubc14\ub85c \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud574\uc11c, \ud654\uba74\uc5d0 \ucd9c\ub825\uc744 \ud558\uace0 \ud0a4\ubcf4\ub4dc\ub85c \ubd80\ud130 \uc785\ub825\uc744 \ubc1b\ub294 Dart\uc758 \uae30\ubc95\uc744 \uc124\uba85\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<h4>Standard Input &amp; Output (stdin &amp; stdout)<\/h4>\n\n\n\n<p>\ub300\ubd80\ubd84\uc758 \uc0ac\uc6a9\uc790\ub294 iOS, MacOS, Android, Ubuntu, Windows\uc640 \uac19\uc740 GUI(Graphic User Interface) \uae30\ubc18\uc758 \uc778\ud130\ud398\uc774\uc2a4, \uc989 \ub9c8\uc6b0\uc2a4\uc640 \uadf8\ub9bc\uc73c\ub85c \ub418\uc5b4 \uc788\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \uc775\uc219\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc MS DOS, Linux, Unix\uc640 \uac19\uc740 \uc804\ud1b5\uc801\uc778 \uc6b4\uc601\uccb4\uc81c\ub294 GUI \uc774\uc804\uc5d0 \ud0a4\ubcf4\ub4dc \ud0c0\uc774\ud551\uacfc \uae00\uc790 \ud654\uba74 \ucd9c\ub825\uc744 \uae30\ubcf8\uc73c\ub85c \ud588\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \uadf8\ub9bc\uc744 \ubcf4\uba74, \uc560\ud50c2 \ucef4\ud4e8\ud130\uc758 CLI \uae30\ubc18 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae4c\ub9cc \ud654\uba74\uc5d0 \uae00\uc790 \ucd9c\ub825\uacfc \ud0a4\ubcf4\ub4dc \uc785\ub825\uc774\uba70, \ub9c8\uc6b0\uc2a4\uc640 \uadf8\ub9bc\uc740 \uc5c6\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/1979-appleIIplus.png\" alt=\"\" class=\"wp-image-567\" width=\"434\" height=\"273\"\/><figcaption>[\uadf8\ub9bc] Apple II (\ucd9c\ucc98: <a href=\"https:\/\/nationalmaglab.org\/\">https:\/\/nationalmaglab.org\/<\/a>)<\/figcaption><\/figure><\/div>\n\n\n\n<p>\uc774\ub807\uac8c \uacfc\uac70\uc758 GUI \uc774\uc804 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0\uc11c\ub294 \uac00\uc7a5 \uae30\ubcf8\uc774 \ub418\ub294 \uae00\uc790 \uae30\ubc18\uc758 \uc785\ucd9c\ub825\uc744 \ud45c\uc900 \uc785\ub825\uacfc \ucd9c\ub825\uc73c\ub85c \uc9c0\uc815\ud558\uc600\uace0, \uc601\ubb38\uc73c\ub85c standard input\uacfc standard output\uc774\uba70, \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0\uc11c \uc2e4\uc81c \uc0ac\uc6a9\ud558\uae30 \uc704\ud55c \uc6a9\uc5b4\ub85c \uc904\uc5ec\uc11c <em>stdin<\/em>\uacfc <em>stdout<\/em>\uc73c\ub85c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc720\uba85\ud55c C\/C++\ub97c \ube44\ub86f\ud55c \ub9e4\uc6b0 \ub9ce\uc740 \uc5b8\uc5b4 \ub4e4\uc5d0\uc11c, \ub3d9\uc77c\ud55c \ub2e8\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<h4>Stdin &amp; Stdout in Dart Language<\/h4>\n\n\n\n<p>Dart \uc5b8\uc5b4\uc5d0\uc11c stdin\uacfc stdout\uc744 \ub2e4\ub8e8\uace0\uc790 \ud55c\ub2e4\uba74, \ud504\ub85c\uadf8\ub7a8\uc758 \uc2dc\uc791 \ubd80\ubd84\uc5d0\uc11c \ub2e4\uc74c\uc758 \uad6c\ubb38\uc774 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc544\ub798 \uad6c\ubb38\uc758 \uc758\ubbf8\ub97c \uc124\uba85\ud558\uba74, &#8220;dart \uc5b8\uc5b4\uac00 \uc81c\uacf5\ud558\ub294 (standard console \uae30\ubc18\uc758) input\uacfc output \uae30\ub2a5\uc744 \uc0ac\uc6a9 \ud558\uaca0\uc73c\ub2c8, \uc774\uc5d0 \ub300\ud574 \ubbf8\ub9ac \ub9cc\ub4e4\uc5b4 \ub193\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \ud3ec\ud568(import) \ud558\ub3c4\ub85d \ud558\ub77c&#8221;\ub294 \uc758\ubbf8 \uc785\ub2c8\ub2e4. \uc774\ub7f0 \ud504\ub85c\uadf8\ub7a8\uc744 \ub77c\uc774\ube0c\ub7ec\ub9ac(library)\ub77c\uace0 \ud558\uba70, \uc774\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc124\uba85\uc740 \ub2e4\uc74c\uc5d0 \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc77c\ub2e8 \uc544\ub798\uc758 \uad6c\ubb38\uc774 \ud544\uc694\ud558\ub2e4\ub294 \uc815\ub3c4\ub85c\ub9cc \uc774\ud574\ud558\uba74 \ub418\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>import 'dart:io';\n<\/pre>\n\n\n\n<p>Stdout\uc5d0 \ub300\ud574\uc11c \uc54c\uc544 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Dart \uc5b8\uc5b4\uac00 stdout\uc744 \uc704\ud574\uc11c \uc81c\uacf5\ud558\ub294 \ub9ce\uc740 \uae30\ub2a5 \uc911\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \ud568\uc218(\uba54\uc18c\uc2a4) \ub4e4\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4 [<a href=\"https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout-class.html\">\ucc38\uc870<\/a>].<\/p>\n\n\n\n<ul><li>stdout.write(object): \ud558\ub098\uc758 \uc785\ub825 \ud30c\ub77c\uba54\ud0c0(\uac1d\uccb4, object)\ub97c \ubc1b\uc544\uc11c \ud654\uba74\uc5d0 \ucd9c\ub825\ud558\ub294 \uac00\uc7a5 \uac04\ub2e8\ud55c \uae30\ub2a5 [<a href=\"https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/write.html\">\ucd9c\ucc98<\/a>]<\/li><li>stdout.writeln(object): \ud558\ub098\uc758 \uc785\ub825 \ud30c\ub77c\uba54\ud0c0(\uac1d\uccb4, object)\ub97c \ubc1b\uc544\uc11c \ud654\uba74\uc5d0 \ucd9c\ub825\ud558\ub294 \uae30\ub2a5\uc5d0 \ucd94\uac00\ud574\uc11c, obejct \ucd9c\ub825\ud6c4 \uc904\ubc14\uafc8 \uae30\ub2a5(&#8216;\\n&#8217;)\uc744 \uc218\ud589\ud568 [<a href=\"https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/writeln.html\">\ucd9c\ucc98<\/a>]<\/li><li>stdout.writeAll(object[s]): \ub9ac\uc2a4\ud2b8\uc640 \uac19\uc774 \ubcf5\uc218\uc758 \uac12\uc744 \uac16\ub294 \uc785\ub825 \ud30c\ub77c\uba54\ud0c0\ub97c \ubc1b\uc544\uc11c, \ubcf5\uc218\uc758 \uac12\ub4e4\uc744 \ud558\ub098 \ud558\ub098 \ucd9c\ub825\ud558\ub294 \uae30\ub2a5\uc744 \uc218\ud589\ud568. \ucd94\uac00\uc801\uc73c\ub85c (\ud544\uc218\uac00 \uc544\ub2cc optional \ud55c \uac12\uc744 \uc8fc\uba74) \uac12\ub4e4 \uc0ac\uc774\uc5d0 \uac1c\ubc1c\uc790\uac00 \ud76c\ub9dd\ud558\ub294 \uae30\ud638 \ucd9c\ub825\uc774 \uac00\ub2a5\ud568 [<a href=\"https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/writeAll.html\">\ucd9c\ucc98<\/a>]<\/li><\/ul>\n\n\n\n<p>Stdin\uc5d0 \ub300\ud574\uc11c \uc54c\uc544 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Dart \uc5b8\uc5b4\uac00 stdin\uc744 \uc704\ud574\uc11c \uc81c\uacf5\ud558\ub294 \ub9ce\uc740 \uae30\ub2a5 \uc911\uc5d0\uc11c \uc5ec\uae30\uc11c\ub294 \ud558\ub098\uc758 \ud568\uc218(\uba54\uc18c\ub4dc) \ub9cc\uc744 \uc124\uba85\ud558\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul><li>stdin.readLineSync(): \uc0ac\uc6a9\uc790\uac00 \uc5d4\ud130\ud0a4\ub97c \uc785\ub825\ud558\uae30 \uc804\uae4c\uc9c0\uc758 \ub0b4\uc6a9\uc744 \ud0a4\ubcf4\ub4dc\ub85c \ubd80\ud130 \ubc1b\uc544\uc11c, \ubb38\uc790\uc5f4 \ud615\ud0dc\ub85c return \ud568 [<a href=\"https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdin\/readLineSync.html\">\ucd9c\ucc98<\/a>] <\/li><\/ul>\n\n\n\n<p>\uc704\uc758 \ud568\uc218\ub4e4\uc744 \ubcf4\uba74, stdout\uacfc stdin\uc774 \ud074\ub798\uc2a4\uc774\uba70, \uc774\ub4e4 \uc548\uc758 \uba54\uc18c\ub4dc\ub97c \uc2e4\ud589\ud558\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. Dart \uc5b8\uc5b4\uc758 \uacf5\uc2dd \ud648\ud398\uc774\uc9c0\uc5d0\uc11c \ub450 \ud074\ub798\uc2a4\uc758 \ub0b4\uc6a9\uc5d0 \ub300\ud574\uc11c \uc77d\uc5b4 \ubcf4\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<h4>Sample Program using Stdin &amp; Stdout<\/h4>\n\n\n\n<p>\uc544\ub798\uc758 darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8\uc740 \uc55e\uc11c \uc124\uba85\ud55c 4\uac1c\uc758 \uba54\uc18c\ub4dc\ub97c \ud65c\uc6a9\ud55c \uc544\uc8fc \ub2e8\uc21c\ud55c \uc608\uc81c \ud504\ub85c\uadf8\ub7a8 \uc785\ub2c8\ub2e4. #0\uc740 stdin\uacfc stdout\uc744 \ud65c\uc6a9\ud558\uae30 \uc704\ud558\uc5ec import\ub97c \ud55c \ubd80\ubd84\uc785\ub2c8\ub2e4. #1\uc740 stdout\uc758 write \ud568\uc218(\uba54\uc18c\ub4dc)\ub97c \ubcf4\uc5ec \uc90d\ub2c8\ub2e4. \uc785\ub825 \ud30c\ub77c\uba54\ud0c0\ub97c \ud654\uba74\uc5d0 \ucd9c\ub825\ud560 \ubfd0 \ubcc4\ub3c4\uc758 \uc904 \ubc14\uafb8\uae30 \uac19\uc740 \uae30\ub2a5\uc740 \uc5c6\uc74c\uc5d0 \uc720\uc758 \ud569\ub2c8\ub2e4. #2\ub294 stdout\uc758 writeln \ud568\uc218\uc774\uba70, \uc785\ub825 \ud30c\ub77c\uba54\ud0c0\ub97c \ud654\uba74\uc5d0 \ucd9c\ub825\ud55c \ud6c4, \uc904\ubc14\uafb8\uae30\ub97c \ud558\ub294 \ubd80\ubd84\uc774 \ucc28\uc774\uc810 \uc785\ub2c8\ub2e4. #3\uc740 stdout\uc758 writeAll \ud568\uc218\uc5d0\uac8c \ub9ac\uc2a4\ud2b8\ub97c \uc804\ub2ec\ud558\uc5ec, \ub9ac\uc2a4\ud2b8 \ub0b4\ubd80 \uac12\ub4e4\uc744 \ucd9c\ub825\ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c #4\ub294 \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ud0a4\ubcf4\ub4dc\ub97c \ud1b5\ud574\uc11c \uc785\ub825\uc744 \ubc1b\uc790 \ub9c8\uc790, \uadf8\ub798\ub3c4 \ud654\uba74\uc5d0 \ucd9c\ub825\ud558\ub294 \uac83\uc744 \ubcf4\uc5ec \uc90d\ub2c8\ub2e4. \ub2e8, \uc0ac\uc6a9\uc790\uac00 &#8216;exit&#8217; \uc678\uc758 \uae00\uc790\ub97c \uc785\ub825\ud558\uba74 \ubb34\ud55c \ubc18\ubcf5\ud558\uba70, &#8216;exit&#8217; \uae00\uc790\ub97c \uc785\ub825\ud558\uba74 \ud504\ub85c\uadf8\ub7a8\uc758 \uc218\ud589\uc744 \uc885\ub8cc \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/ darttutorial-23-01.dart\n\n\/\/ #0 Includes console I\/O functionality into this program \nimport 'dart:io';\n\nvoid main() {\n  \/\/ #1 write method in stdout class\n  \/\/ Reference: https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/write.html\n  stdout.write(\"A\");\n  stdout.write(\"B\");\n  stdout.write(\"\\n\");\n  \n  \/\/ #2 writeln method in stdout class\n  \/\/ Reference: https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/writeln.html\n  stdout.writeln(\"A\");\n  stdout.writeln(\"B\");  \n  stdout.write(\"\\n\");\n\n  \/\/ #3 writeln method in stdout class\n  \/\/ Reference: https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdout\/writeAll.html\n  List<string> myList = [\"A\", \"B\"];\n  stdout.writeAll(myList, \":\");\n  stdout.write(\"\\n\");\n\n  \/\/ #4 readLineSync method in stdin class\n  \/\/ Reference: https:\/\/api.flutter.dev\/flutter\/dart-io\/Stdin\/readLineSync.html\n  for(String myInput = \"\";myInput != \"exit\";) {\n    stdout.write('type\\$ ');\n    myInput = stdin.readLineSync();\n    stdout.writeln('----> $myInput');\n  }\n}\n<\/string><\/pre>\n\n\n\n<p>4\uac00\uc9c0\uc758 \uae30\ubcf8 \uba54\uc18c\ub4dc\ub9cc \uc774\ud574\ud558\uba74 \ud06c\uac8c \uc5b4\ub835\uc9c0 \uc54a\uc740 \ud504\ub85c\uadf8\ub7a8\uc774\uba70, \uc218\ud589 \uacb0\uacfc\ub97c \uc544\ub798\uc640 \uac19\uc774 \ud45c\uc2dc \ud558\uc600\uc73c\ub2c8, \ucc38\uc870\ud558\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>AB\nA\nB\n\nA:B\ntype$ My name is Dr.Sungwon.\n----&gt; My name is Dr.Sungwon.\ntype$ exit\n----&gt; exit\n<\/pre>\n\n\n\n<h4>How to execute a sample program?<\/h4>\n\n\n\n<p>\uc704\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \uc9c0\uae08\uae4c\uc9c0 \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud558\ub294 \uac1c\ubc1c \ub3c4\uad6c\uc778 MS Visual Code\uc5d0\uc11c \uc218\ud589\ud55c\ub2e4\uba74, \uc758\uc544\ud55c \uacb0\uacfc\uac00 \ub098\uc62c \uac83\uc785\ub2c8\ub2e4. \ud604\uc7ac MS Visual Code\uc5d0\uc11c\ub294 Dart \uc5b8\uc5b4\uc758 Debug \ubc29\uc2dd\uc5d0\uc11c\ub294 stdin\uacfc stdout \uae30\uc220\uc744 \uc81c\ub300\ub85c \uc9c0\uc6d0\ud558\uc9c0 \ubabb\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \uc218\ud589\uc744 \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>MS Visual Code\ub97c \uc774\uc6a9\ud558\uc5ec, \uc791\uc5c5\ud560 \ud3f4\ub354\ub97c \ub9cc\ub4e4\uace0, darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8\uc744 \uc5d0\ub514\ud130 \ucc3d\uc5d0 \uc785\ub825\ud558\ub294 \ubd80\ubd84\uae4c\uc9c0 \ub3d9\uc77c\ud558\uac8c \ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc67c\ucabd tab\uc5d0\uc11c \ub514\ubc84\uadf8 \uc544\uc774\ucf58\uc744 \ud074\ub9ad\ud558\ub294 \ubd80\ubd84\uae4c\uc9c0 \uc9c4\ud589\ud569\ub2c8\ub2e4. \uc774\uc81c \ub2ec\ub77c\uc9c0\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4. darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8 \uc5d0\ub514\ud130 \ud654\uba74 \ud558\ub2e8\uc744 \ubcf4\uba74, \uc544\ub9c8\ub3c4 &#8220;\ub514\ubc84\uadf8 \ucf58\uc194&#8221; \uc774\ub77c\ub294 \ud0ed\uc774 \ub514\ucd10\ud2b8\ub85c \uc5f4\ub824 \uc788\uc744 \uac81\ub2c8\ub2e4. print() \ud568\uc218\uc758 \ucd9c\ub825\uc774 \uc5ec\uae30\uc5d0 \ub098\ud0c0\ub098\uace0 \uc788\ub294 \uac83\uc774\uc9c0\uc694. \uadf8\ub7ec\uba74, \uc774\uc820 \uc624\ub978\ucabd\uc758 &#8220;\ud130\ubbf8\ub110&#8221;\uc744 \ub20c\ub7ec \ubd05\ub2c8\ub2e4. MS Visual Code \uc790\uccb4\uc801\uc778 \ucf58\uc194 \ud654\uba74\uc774 \uc5f4\ub9b0 \uac83\uc774\ub77c\uace0 \ubcf4\uba74 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc785\ucd9c\ub825\uc774 \ubaa8\ub450 \uac00\ub2a5\ud558\uaca0\uc9c0\uc694? &#8220;\ud130\ubbf8\ub110&#8221; \ud654\uba74 \uc548\uc5d0\uc11c <em>pwd<\/em> \ub77c\uace0 \uc785\ub825\uc744 \ud558\uace0 \uc5d4\ud130\ub97c \uccd0\ubcf4\uba74, \uc791\uc5c5\uc744 \uc704\ud558\uc5ec \ub9cc\ub4e0 \ud3f4\ub354 \uc774\ub984\uc774 \uc4f0\uc5ec\uc838 \uc788\ub294\ub370, \ud604\uc7ac \ud130\ubbf8\ub110 \ud654\uba74\uc774 \ud574\ub2f9 \ud3f4\ub354 \uc548\uc5d0\uc11c \uc791\uc5c5\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ub4e4\uc5b4\uac00 \uc788\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc544\ub798\ub294 \uc81c \ucef4\ud4e8\ud130\uc758 \uc608\uc81c\ub85c\uc11c, darttutorial-23 \uc774\ub77c\ub294 \ub514\ub809\ud1a0\ub9ac\uc5d0\uc11c \uc791\uc5c5\uc744 \ud558\uace0 \uc788\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c <em>ls<\/em> \ub77c\uace0 \uc785\ub825\ud558\uace0 \uc5d4\ud130\ub97c \uce69\ub2c8\ub2e4. \uc544\ub798\uc758 \uc608\uc81c\ucc98\ub7fc, \ubcf8 \uae00\uc5d0\uc11c \ub2e4\ub8f0 4\uac1c\uc758 dart \uc18c\uc2a4 \ud654\uc77c\uc758 \uc774\ub984\ub4e4\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c pwd\uc640 ls \uac19\uc740 \uba85\ub839\uc740 \uacfc\uac70 Unix \uc6b4\uc601\uccb4\uc81c \ubd80\ud130 \uc788\uc5b4\uc628 \uc624\ub798\ub41c \uba85\ub839\ub4e4\ub85c Linux \uc6b4\uc601\uccb4\uc81c \ubc0f \uc11c\ubc84 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 \uba85\ub839 \ub4e4 \uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>(base) MacMini-ServerFarm:darttutorial-23 drsungwon$ pwd\n\/Users\/drsungwon\/OneDrive\/Programming\/hellodart\/darttutorial-23\n(base) MacMini-ServerFarm:darttutorial-23 drsungwon$ ls\ndarttutorial-23-01.dart darttutorial-23-03.dart\ndarttutorial-23-02.dart darttutorial-23-04.dart\n(base) MacMini-ServerFarm:darttutorial-23 drsungwon$ \n<\/pre>\n\n\n\n<p>\uc774\uc81c Dart \uc5b8\uc5b4\ub97c \uc0ac\uc6a9\ud574\uc11c darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud558\uae30 \uc704\ud574\uc11c\ub294, \ud130\ubbf8\ub110 \ucc3d \uc548\uc5d0\uc11c \ub2e4\uc74c \ucc98\ub7fc \uc785\ub825\ud558\uace0 \uc5d4\ud130\ud0a4\ub97c \uce58\uba74 \ub429\ub2c8\ub2e4. \uc758\ubbf8\ub294 \uc190\uc73c\ub85c dart \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub97c \uc2e4\ud589\ud558\uc5ec, darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8\uc744 \uc788\ub294 \ub0b4\uc6a9\uc744 \ub3d9\uc791 \uc2dc\ud0a4\ub77c\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>dart darttutorial-23-01.dart\n<\/pre>\n\n\n\n<p>\uc2e4\ud589\ud558\ub294 \ud654\uba74\uacfc \uacb0\uacfc \ud654\uba74\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ub098\ud0c0\ub0ac\uc744 \uac81\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>(base) MacMini-ServerFarm:darttutorial-23 drsungwon$ dart darttutorial-23-01.dart\nAB\nA\nB\n\nA:B\ntype$ My name is Dr.Sungwon.\n----&gt; My name is Dr.Sungwon.\ntype$ exit\n----&gt; exit\n(base) MacMini-ServerFarm:darttutorial-23 drsungwon$ \n<\/pre>\n\n\n\n<p>\ubc29\uae08 \uc804\uc758 \ud504\ub85c\uadf8\ub7a8 \uc2e4\ud589 \ud654\uba74\uacfc \uacb0\uacfc \ud654\uba74\uc744 \ud3ec\ud568\ud55c, Visual Code \uc804\uccb4 \ud654\uba74\uc758 \uc2a4\ud06c\ub9b0 \uc0f7\uc774 \uc544\ub798\uc640 \uac19\uc73c\ub2c8, \ud639\uc2dc \uc624\ub958\uac00 \uc788\ub294 \uc0ac\ub78c\uc740 \ucc9c\ucc9c\ud788 \uc218\ud589\ud574 \ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"981\" height=\"1024\" src=\"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16-981x1024.png\" alt=\"\" class=\"wp-image-568\" srcset=\"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16-981x1024.png 981w, http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16-287x300.png 287w, http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16-768x802.png 768w, http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16-480x501.png 480w, http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/02\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2020-02-08-\u110b\u1169\u1112\u116e-2.40.16.png 1045w\" sizes=\"(max-width: 981px) 100vw, 981px\" \/><figcaption>[\uadf8\ub9bc] darttutorial-23-01.dart \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589 \ubc0f \uacb0\uacfc \ud654\uba74<\/figcaption><\/figure>\n\n\n\n<h4>&#8220;\uad6c\uad6c\ub2e8 \ud504\ub85c\uadf8\ub7a8&#8221; ver 1.0<\/h4>\n\n\n\n<p>\ub2e8\uc9c0 \uc785\ub825\uc744 \ubc1b\uc544\uc11c \ucd9c\ub825\ub9cc \ud558\uba74 \ubcc4 \uc758\ubbf8\uac00 \uc5c6\uc73c\ub2c8, \uac04\ub2e8\ud558\uc9c0\ub9cc \ub098\ub984 \uc758\ubbf8\uc788\ub294 \uad6c\uad6c\ub2e8 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uc5b4 \ubd05\ub2c8\ub2e4. \uae30\ub2a5\uc740 \ub9e4\uc6b0 \ub2e8\uc21c\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \uad6c\uad6c\ub2e8 \uacc4\uc0b0\uc744 \uc6d0\ud558\ub294 &#8216;\ub2e8&#8217;\uc5d0 \ud574\ub2f9\ud558\ub294 \uc22b\uc790\ub97c \ubc1b\uc544\uc11c, \uacb0\uacfc \uac12\uc744 \ud654\uba74\uc5d0 \ucd9c\ub825\ud574 \uc90d\ub2c8\ub2e4. \uc815\ud655\ud558\uac8c \ubaa9\uc801\uc5d0 \ud544\uc694\ud55c \ub0b4\uc6a9 \ub9cc\uc73c\ub85c \ub9cc\ub4e0 \ud504\ub85c\uadf8\ub7a8\uc774 darttutorial-23-02.dart\uc5d0 \ub098\ud0c0\ub098 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>\n\/\/ darttutorial-23-02.dart\n\nimport 'dart:io';\n\nvoid main() {\n  stdout.write('Enter number between 1 to 9> ');\n  var myNum = int.parse(stdin.readLineSync());\n  for(var tmp = 1;tmp <= 9; tmp++) {\n    stdout.writeln(\"$myNum x $tmp = ${myNum * tmp}\");\n  } \n}\n<\/pre>\n\n\n\n<p>main()\uc758 \uccab\uc904\uc5d0\uc11c \"1~9 \uc0ac\uc774 \uc815\uc218\ub97c \uc785\ub825\ud558\ub77c\"\uace0 \ud588\uc2b5\ub2c8\ub2e4. \ub450\ubc88\uc9f8 \uc904\uc5d0\uc11c\ub294 stdin.readLineSync()\ub97c \ud1b5\ud574\uc11c \uc785\ub825\uc744 \ubc1b\uace0, int.parse()\ub85c \uc785\ub825 \uac12\uc744 \uc815\uc218\ub85c \ubc14\uafbc\ud6c4, myNum \ubcc0\uc218\uc5d0 '\ub2e8' \uc218\ub85c \uc4f0\uc77c \uc815\uc218\ub97c \uc800\uc7a5\ud55c \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace4 for \ubc18\ubcf5 \uad6c\ubb38\uc73c\ub85c \uacf1\ud558\uae30 1\ubd80\ud130 9\uae4c\uc9c0\uc758 \uad6c\uad6c\ub2e8\uc744 \uacc4\uc0b0\ud558\uc5ec \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4>\"\uad6c\uad6c\ub2e8 \ud504\ub85c\uadf8\ub7a8\" ver 2.0<\/h4>\n\n\n\n<p>Ver 1.0\uc758 \ubb38\uc81c\ub294 \ubb54\uac00\uc694? \uc77c\ub2e8 \ub3d9\uc791\ud558\ub294 \uac83\uacfc \uc0c1\uad00 \uc5c6\uc9c0\ub9cc, \ub098\uc911\uc5d0 \uc774 \ud504\ub85c\uadf8\ub7a8\uc744 \ub2e4\uc2dc \ubcf4\uac70\ub098 \ub2e4\ub978 \uc0ac\ub78c\uc774 \ubcf4\uba74 \uc774\ud574\ub97c \uc704\ud574\uc11c \uc18c\uc2a4 \ucf54\ub4dc\ub97c \ub9e4\uc6b0 \uaf3c\uaf3c\ud558\uac8c \uc77d\uc5b4 \ubd10\uc57c\uc9c0, \ubb58 \ud558\ub294 \ud504\ub85c\uadf8\ub7a8 \uc778\uc9c0 \uc774\ud574\ub97c \ud560 \uc218 \uc788\ub2e4\ub294 \uc810 \uc785\ub2c8\ub2e4. \ub2f9\uc5f0\ud558\uaca0\uc8e0? \uc18c\uc2a4\ucf54\ub4dc\ub294 \ucef4\ud4e8\ud130\uc5d0\uac8c \uc77c\uc744 \uc2dc\ud0a4\ub294 \uac83\uc774\uc9c0, \uc0ac\ub78c\uc744 \uc704\ud55c \uac83\uc740 \uc544\ub2c8\ub2c8\uae4c\uc694. \ub530\ub77c\uc11c, \ucd94\uac00\ud574\uc57c \ud560 \ubd80\ubd84\uc740 \ubb54\uac00\uc694? \ubc14\ub85c \uc8fc\uc11d\ubb38 \uc785\ub2c8\ub2e4. \uc55e\uc11c\uc5d0\uc11c \ubc30\uc6b4 \uc8fc\uc11d \uad6c\ubb38 \ubb38\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec, \uac04\ub2e8\ud558\uac8c \uc5b4\ub5a4 \uc77c\uc744 \ud558\ub294\uc9c0\ub97c \ucd94\uac00\ub85c \uc124\uba85\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \uac1c\uc120\ud55c \ud504\ub85c\uadf8\ub7a8\uc774 darttutorial-23-03.dart\uc5d0 \ub098\ud0c0\ub098 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>\n\/\/ darttutorial-23-03.dart\n\n\/\/ #0 Includes console I\/O functionality into this program \nimport 'dart:io';\n\nvoid main() {\n  \/\/ #1 Print usage for user \n  stdout.write('Enter number between 1 to 9> ');\n\n  \/\/ #2 Get user input and convert string to integer\n  var myNum = int.parse(stdin.readLineSync());\n\n  \/\/ #3 Calculates result\n  for(var tmp = 1;tmp <= 9; tmp++) {\n    stdout.writeln(\"$myNum x $tmp = ${myNum * tmp}\");\n  } \n}\n<\/pre>\n\n\n\n<h4>\"\uad6c\uad6c\ub2e8 \ud504\ub85c\uadf8\ub7a8\" ver 3.0<\/h4>\n\n\n\n<p>Ver 2.0\uc758 \ubb38\uc81c\uc810 \ud639\uc740 \uac1c\uc120\uc774 \ud544\uc694\ud55c \ubd80\ubd84\uc740 \ubb34\uc5c7 \uc77c\uae4c\uc694? \uac00\uc7a5 \ud754\ud55c \uc0ac\ub840\ub294, \uac1c\ubc1c\uc790\uc640 \ub2e4\ub974\uac8c \uc0ac\uc6a9\ud558\ub294 \uc0ac\uc6a9\uc790\ub4e4\uc5d0 \ub300\ud55c \ub300\ucc98 \uc785\ub2c8\ub2e4. \uc774 \ud504\ub85c\uadf8\ub7a8\uc740 \uc77c\ub2e8 1~9 \uc0ac\uc774 \uc815\uc218\ub97c \uc785\ub825\ud558\ub77c\uace0 \ud588\uc73c\ub2c8, 0\uc774\ud558 \ud639\uc740 10\uc774\uc0c1\uc758 \uc22b\uc790\ub97c \ub123\ub294 \uc0ac\ub78c\ub4e4\uc774 \uac71\uc815\uc774\uba70, \ucd94\uac00\ub85c \uc22b\uc790\uac00 \uc544\ub2cc \ubb38\uc790\uc5f4\uc774\ub098 \uc2e4\uc218\ub97c \ub123\ub294 \uc0ac\ub78c\ub4e4\ub3c4 \ubb38\uc81c\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574\uc11c \ucd94\uac00\uc801\uc778 \uc5d0\ub7ec \ubc29\uc9c0 \ucf54\ub4dc\uac00 \ucd94\uac00\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \uac1c\uc120\ud55c \ud504\ub85c\uadf8\ub7a8\uc774 \uc544\ub798\uc758 darttutorial-23-04.dart \uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre>\n\/\/ darttutorial-23-04.dart\n\n\/\/ #0 Includes console I\/O functionality into this program \nimport 'dart:io';\n\nvoid main() {\n  \/\/ #1 Local variable for user input\n  var myNum = 0;\n\n  \/\/ #2 Print usage for user \n  stdout.write('Enter number between 1 to 9> ');\n\n  \/\/ #3 Check input wether integer or not\n  try {\n    \/\/ #3.1 Convert string to integer\n    myNum = int.parse(stdin.readLineSync());\n  } catch (e) {\n    \/\/ #3.2 Print error message and exit the program\n    stdout.writeln(\"error> enter integer number between 1 to 9.\");\n    return;\n  }\n\n  \/\/ #4 Check input wether in right range\n  if((myNum >= 1) && (myNum <= 9)) {\n    \/\/ #4.1 Calculates result\n    for(var tmp = 1;tmp <= 9; tmp++) {\n      stdout.writeln(\"$myNum x $tmp = ${myNum * tmp}\");\n    }\n  } else {\n    \/\/ #4.2 Print error message\n    stdout.writeln(\"error> enter integer number between 1 to 9.\");\n  }\n}\n<\/pre>\n\n\n\n<h4>\ub9c8\ubb34\ub9ac<\/h4>\n\n\n\n<p>\uc774 \uae00\uc5d0\uc11c\ub294 (\ub2e4\ub978 \uc5b8\uc5b4\ub4e4\uc758 \uacbd\uc6b0\ub294 \ub2e4\uc18c \uc77c\ucc0d \ub4f1\uc7a5\ud558\ub294) \ud0a4\ubcf4\ub4dc\ub85c \ubd80\ud130 \uc785\ub825\uc744 \ubc1b\ub294 \ub0b4\uc6a9\uacfc \uc774\ub97c \ud654\uba74\uc5d0 \ucd9c\ub825\ud558\ub294 \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \ud504\ub85c\uadf8\ub798\ubc0d \ud615\ud0dc\uc778, stdin\uacfc stdout\uc744 \uc5b4\ub5bb\uac8c Dart \uc5b8\uc5b4\uc5d0\uc11c \uc218\ud589\ud558\ub294\uc9c0 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uad6c\uad6c\ub2e8 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uaf2d \ud544\uc694\ud55c \ubd80\ubd84\ubd80\ud130 \uc81c\ub300\ub85c\ub41c \ud615\ud0dc\ub85c \uc9c4\ud654\ud558\ub294 \uad6c\uc870\ub3c4 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574\uc11c \uae30\ubcf8\uc801\uc778 \uae30\ub2a5\ub9cc \ub9cc\ub4e0 \ud504\ub85c\uadf8\ub7a8\uc774 11\uc904\uc774\uc600\uc73c\ub098, \ub9c8\uc9c0\ub9c9\uc5d0 \ucd1d33\uc904\ub85c \ub298\uc5b4\ub098\ub294 \ubaa8\uc2b5\uc744 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ud504\ub85c\uadf8\ub7a8\uc744 \uac1c\ubc1c\ud55c\ub2e4\ub294 \uac83\uc740 \uc6d0\ub798\ud558\uace0 \uc2f6\uc740 \ub3d9\uc791\uacfc, \uc608\uc0c1\ub418\ub294 \uc624\ub958 \ub4f1\uc744 \ubbf8\ub9ac \ub17c\ub9ac\uc801\uc73c\ub85c \uc0dd\uac01\ud558\ub294 \ub178\ub825\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-content\/uploads\/2020\/01\/b05-1.jpg\" alt=\"\" class=\"wp-image-267\" width=\"138\" height=\"49\"\/><\/figure><\/div>\n\n\n\n<p><strong>Creative Commons License<\/strong> (<strong>CC BY-NC-ND<\/strong>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&lt; Dart \uae30\ucd08\ubb38\ubc95 &#8211; Console I\/O (Input &amp; Output) &gt; \uc544\ub9c8 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub97c \ud558\ub098 \uc988\uc74c \ubc30\uc6cc\ubcf8 \uc0ac\ub78c\uc774\ub77c\uba74, \uc9c0\uae08 \uc988\uc74c \uc758\uc544\ud574 \ud560 \ubd80\ubd84\uc774 \uc788\uc2b5\ub2c8\ub2e4. &#8220;\uc65c \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ud0a4\ubcf4\ub4dc\ub97c \ud1b5\ud574\uc11c \uc785\ub825\uc744 \ubc1b\ub294 \ubd80\ubd84\uc774 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":971,"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\/562"}],"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=562"}],"version-history":[{"count":6,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/562\/revisions"}],"predecessor-version":[{"id":1458,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/posts\/562\/revisions\/1458"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/media\/971"}],"wp:attachment":[{"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=562"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mobilelab.khu.ac.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}