\n\ub4e4\uc5b4\uac00\uba70<\/h2>\n
\n Dart\ub294 \ud604\ub300\uc801\uc778 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c\uc11c, \ucf54\ub4dc\uc758 \uc548\uc804\uc131\uc744 \ub192\uc774\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.
\n \uadf8\uc911 \ud558\ub098\ub294 \uc5d0\ub7ec \ucc98\ub9ac\uc785\ub2c8\ub2e4. \uc5d0\ub7ec\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc740 \uc548\uc815\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.
\n \uc5d0\ub7ec \ucc98\ub9ac\ub97c \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \uc608\uc0c1\uce58 \ubabb\ud55c \uc0c1\ud669\uc5d0\uc11c\ub3c4 \ud504\ub85c\uadf8\ub7a8\uc774 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 Dart\uc5d0\uc11c \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95, \ud2b9\ud788 try-catch-finally \uad6c\ubb38\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n1. Dart\uc758 \uc5d0\ub7ec \ucc98\ub9ac \uac1c\ub150<\/h2>\n
\n Dart\uc5d0\uc11c \uc5d0\ub7ec\ub294 \ub7f0\ud0c0\uc784 \uc911\uc5d0 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4.
\n \uc608\ub97c \ub4e4\uc5b4, \ud30c\uc77c\uc744 \uc77d\uc73c\ub824\uace0 \ud560 \ub54c \ud574\ub2f9 \ud30c\uc77c\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774\ucc98\ub7fc \ud504\ub85c\uadf8\ub7a8\uc758 \ud750\ub984\uc744 \ubc29\ud574\ud558\ub294 \ub2e4\uc591\ud55c \uc0c1\ud669\uc774 \uc788\uc2b5\ub2c8\ub2e4.
\n Dart\ub294 \uc774\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 try<\/code>, catch<\/code>, finally<\/code> \uad6c\ubb38\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n2. try-catch \uad6c\ubb38<\/h2>\n
\ntry<\/code> \ube14\ub85d \ub0b4\uc758 \ucf54\ub4dc\ub294 \uc815\uc0c1\uc801\uc73c\ub85c \uc2e4\ud589\ub420 \uacbd\uc6b0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.
\n \uadf8\ub7ec\ub098 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud558\uba74, \ud574\ub2f9 \ube14\ub85d\uc758 \uc2e4\ud589\uc774 \uc911\ub2e8\ub418\uace0 catch<\/code> \ube14\ub85d\uc73c\ub85c \ub118\uc5b4\uac11\ub2c8\ub2e4.
\n catch<\/code> \ube14\ub85d\uc5d0\uc11c\ub294 \ubc1c\uc0dd\ud55c \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ub2e4\uc74c\uc740 \uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.\n <\/p>\n\nvoid main() {\n try {\n int result = 10 ~\/ 0; \/\/ 0\uc73c\ub85c \ub098\ub204\uae30 \uc2dc\ub3c4\n print(result);\n } catch (e) {\n print('\uc5d0\ub7ec \ubc1c\uc0dd: $e');\n }\n}\n <\/code><\/pre>\n\n \uc704\uc758 \uc608\uc81c\uc5d0\uc11c ~\/<\/code> \uc5f0\uc0b0\uc790\ub294 \uc815\uc218 \ub098\ub204\uae30\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.
\n 0\uc73c\ub85c \ub098\ub204\uae30\ub97c \uc2dc\ub3c4\ud560 \ub54c, \ud504\ub85c\uadf8\ub7a8\uc740 \uc5d0\ub7ec\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uace0, catch<\/code> \ube14\ub85d\uc774 \uc2e4\ud589\ub429\ub2c8\ub2e4.
\n \uacb0\uacfc\uc801\uc73c\ub85c “\uc5d0\ub7ec \ubc1c\uc0dd: IntegerDivisionByZeroException”\uc774\ub77c\ub294 \uba54\uc2dc\uc9c0\uac00 \ucd9c\ub825\ub429\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n3. \ud2b9\uc815 \uc5d0\ub7ec \ucc98\ub9ac<\/h2>\n
\ncatch<\/code> \ube14\ub85d\uc5d0\uc11c\ub294 \ud2b9\uc815 \ud0c0\uc785\uc758 \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774\ub97c \ud1b5\ud574 \ubcf4\ub2e4 \uad6c\uccb4\uc801\uc778 \uc5d0\ub7ec \ucc98\ub9ac \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ub2e4\uc74c\uc740 \uadf8\ub7ec\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.\n <\/p>\n\nvoid main() {\n try {\n int result = 10 ~\/ 0; \/\/ 0\uc73c\ub85c \ub098\ub204\uae30 \uc2dc\ub3c4\n print(result);\n } on IntegerDivisionByZeroException catch (e) {\n print('0\uc73c\ub85c \ub098\ub204\uc9c0 \ub9c8\uc138\uc694: $e');\n } catch (e) {\n print('\ub2e4\ub978 \uc5d0\ub7ec \ubc1c\uc0dd: $e');\n }\n}\n <\/code><\/pre>\n\n \uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uba3c\uc800 IntegerDivisionByZeroException<\/code> \ud0c0\uc785\uc758 \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud558\uace0,
\n \uadf8 \uc678\uc758 \ub2e4\ub978 \uc5d0\ub7ec\ub294 \uc77c\ubc18\uc801\uc778 catch<\/code> \ube14\ub85d\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.
\n \uc774\ub807\uac8c \ud2b9\uc815 \uc5d0\ub7ec\ub97c \ubd84\ub9ac\ud558\uc5ec \ucc98\ub9ac\ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud55c \uc810\uc774 Dart\uc758 \uc7a5\uc810 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n4. finally \uad6c\ubb38<\/h2>\n
\nfinally<\/code> \ube14\ub85d\uc5d0\uc11c\ub294 try<\/code>\uc640 catch<\/code> \ube14\ub85d\uc758 \uc2e4\ud589 \uc5ec\ubd80\uc640 \uc0c1\uad00\uc5c6\uc774 \ud56d\uc0c1 \uc2e4\ud589\ub418\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc8fc\ub85c \ub9ac\uc18c\uc2a4\ub97c \uc815\ub9ac\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc544\ub798\ub294 finally<\/code> \ube14\ub85d\uc758 \uc608\uc81c\uc785\ub2c8\ub2e4.\n <\/p>\n\nvoid main() {\n try {\n int result = 10 ~\/ 0; \/\/ 0\uc73c\ub85c \ub098\ub204\uae30 \uc2dc\ub3c4\n print(result);\n } catch (e) {\n print('\uc5d0\ub7ec \ubc1c\uc0dd: $e');\n } finally {\n print('\ub9ac\uc18c\uc2a4 \uc815\ub9ac \uc791\uc5c5 \uc2e4\ud589.');\n }\n}\n <\/code><\/pre>\n\n \uc5ec\uae30\uc11c “\ub9ac\uc18c\uc2a4 \uc815\ub9ac \uc791\uc5c5 \uc2e4\ud589.” \uba54\uc2dc\uc9c0\ub294 \uc5d0\ub7ec \ubc1c\uc0dd \uc5ec\ubd80\uc5d0 \uad00\uacc4\uc5c6\uc774 \ud56d\uc0c1 \ucd9c\ub825\ub429\ub2c8\ub2e4.
\n \uc774\ub294 \ud30c\uc77c \ud578\ub4e4\ub9c1, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \ub4f1\uc744 \uc885\ub8cc\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n5. \uc5ec\ub7ec \uac1c\uc758 catch \ube14\ub85d \uc0ac\uc6a9\ud558\uae30<\/h2>\n
\n Dart\uc5d0\uc11c\ub294 \uc5ec\ub7ec \uac1c\uc758 catch<\/code> \ube14\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \uc5d0\ub7ec \ud0c0\uc785\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ub2e4\uc74c\uc740 \uc774\ub7ec\ud55c \uc608\uc81c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\n <\/p>\n\nvoid main() {\n try {\n int result = 10 ~\/ 0; \/\/ 0\uc73c\ub85c \ub098\ub204\uae30 \uc2dc\ub3c4\n print(result);\n } on FormatException catch (e) {\n print('\ud615\uc2dd \uc624\ub958: $e');\n } on IntegerDivisionByZeroException catch (e) {\n print('0\uc73c\ub85c \ub098\ub204\uae30: $e');\n } catch (e) {\n print('\uc77c\ubc18\uc801\uc778 \uc5d0\ub7ec \ubc1c\uc0dd: $e');\n } finally {\n print('\uc791\uc5c5 \uc644\ub8cc');\n }\n}\n <\/code><\/pre>\n\n \uc5ec\uae30\uc11c\ub294 FormatException<\/code>\uacfc IntegerDivisionByZeroException<\/code>\uc744 \uac01\uac01 \ud2b9\uc815\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.
\n \ub2e4\ub978 \ubaa8\ub4e0 \uc5d0\ub7ec\ub294 \ub9c8\uc9c0\ub9c9\uc758 \uc77c\ubc18\uc801 catch<\/code> \ube14\ub85d\uc73c\ub85c \ucc98\ub9ac\ub429\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n6. \uc0ac\uc6a9\uc790 \uc815\uc758 \uc5d0\ub7ec \ub9cc\ub4e4\uae30<\/h2>\n
\n Dart\uc5d0\uc11c\ub294 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc5d0\ub7ec \ud074\ub798\uc2a4\ub97c \ub9cc\ub4e4\uc5b4 \ud2b9\uc815\ud55c \uc870\uac74\uc5d0 \ub300\ud55c \uc5d0\ub7ec\ub97c \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ub2e4\uc74c \uc608\uc81c\ub97c \ud1b5\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\nclass CustomError extends Error {\n final String message;\n CustomError(this.message);\n}\n\nvoid checkValue(int value) {\n if (value < 0) {\n throw CustomError('\uac12\uc740 0\ubcf4\ub2e4 \ucee4\uc57c \ud569\ub2c8\ub2e4.');\n }\n}\n\nvoid main() {\n try {\n checkValue(-10);\n } catch (e) {\n print('\uc0ac\uc6a9\uc790 \uc815\uc758 \uc5d0\ub7ec \ubc1c\uc0dd: $e');\n }\n}\n <\/code><\/pre>\n\n \uc704\uc758 \uc608\uc81c\uc5d0\uc11c checkValue<\/code> \ud568\uc218\ub294 \ub9e4\uac1c\ubcc0\uc218\ub85c \ubc1b\uc740 \uac12\uc774 0\ubcf4\ub2e4 \uc791\uc744 \uacbd\uc6b0
\n CustomError<\/code>\ub97c \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.
\n catch<\/code> \ube14\ub85d\uc5d0\uc11c \uc774 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n7. \ube44\ub3d9\uae30 \uc5d0\ub7ec \ucc98\ub9ac<\/h2>\n
\n Dart\uc5d0\uc11c\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \uc9c0\uc6d0\ud558\uba70, \uc5ec\uae30\uc5d0 \ub300\ud55c \uc5d0\ub7ec \ucc98\ub9ac \ub610\ud55c \uac00\ub2a5\ud569\ub2c8\ub2e4.
\n Future<\/code> \ubc0f async\/await<\/code>\ub97c \uc0ac\uc6a9\ud560 \ub54c\uc758 \uc5d0\ub7ec \ucc98\ub9ac \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n\nFuture main() async {\n try {\n await futureWithError();\n } catch (e) {\n print('\ube44\ub3d9\uae30 \uc5d0\ub7ec \ubc1c\uc0dd: $e');\n }\n}\n\nFuture futureWithError() async {\n throw Exception('\ube44\ub3d9\uae30 \uc791\uc5c5 \uc911 \uc5d0\ub7ec \ubc1c\uc0dd');\n}\n <\/void><\/void><\/code><\/pre>\n\n \uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c\ub294 \ube44\ub3d9\uae30 \ud568\uc218 futureWithError<\/code>\uac00 \uc5d0\ub7ec\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uace0,
\n \uc774\ub97c main<\/code> \ud568\uc218\uc5d0\uc11c try-catch<\/code>\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.
\n \ube44\ub3d9\uae30 \uc791\uc5c5\uc5d0\uc11c\ub3c4 \uc5d0\ub7ec \ucc98\ub9ac\ub294 \ub3d9\uc77c\ud55c \ubc29\uc2dd\uc73c\ub85c \uc9c4\ud589\ub429\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n\uacb0\ub860<\/h2>\n
\n Dart\uc5d0\uc11c \uc5d0\ub7ec \ucc98\ub9ac\ub294 \ucf54\ub4dc\uc758 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4.
\n try-catch-finally<\/code> \uad6c\ubb38\uc744 \ud1b5\ud574 \uc5d0\ub7ec\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc73c\uba70,
\n \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0 \ub9de\ucdb0 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc5d0\ub7ec, \ube44\ub3d9\uae30 \uc5d0\ub7ec \ucc98\ub9ac \ubc29\ubc95\uae4c\uc9c0 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.
\n \uc774\ub97c \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \ub354\uc6b1 \uacac\uace0\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc774\ubc88 \uae00\uc744 \ud1b5\ud574 Dart\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ucc98\ub9ac \ubc29\ubc95\uc5d0 \ub300\ud574 \uc774\ud574\ud558\uace0 \ud65c\uc6a9\ud560 \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.
\n \uc5d0\ub7ec \ucc98\ub9ac\ub97c \ud1b5\ud574 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e0\ub8b0\uc131\uc744 \ub192\uc774\uace0, \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub354 \ub098\uc740 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud558\ub294 \uac1c\ubc1c\uc790\uac00 \ub418\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.\n <\/p>\n<\/section>\n<\/article>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\ub4e4\uc5b4\uac00\uba70 Dart\ub294 \ud604\ub300\uc801\uc778 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c\uc11c, \ucf54\ub4dc\uc758 \uc548\uc804\uc131\uc744 \ub192\uc774\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\uc911 \ud558\ub098\ub294 \uc5d0\ub7ec \ucc98\ub9ac\uc785\ub2c8\ub2e4. \uc5d0\ub7ec\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc740 \uc548\uc815\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc5d0\ub7ec \ucc98\ub9ac\ub97c \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \uc608\uc0c1\uce58 \ubabb\ud55c \uc0c1\ud669\uc5d0\uc11c\ub3c4 \ud504\ub85c\uadf8\ub7a8\uc774 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 Dart\uc5d0\uc11c \uc5d0\ub7ec\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95, \ud2b9\ud788 try-catch-finally \uad6c\ubb38\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. Dart\uc758 \uc5d0\ub7ec \ucc98\ub9ac … \ub354 \ubcf4\uae30 “[Dart \uc5b8\uc5b4\uac15\uc88c] 023. Dart\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ucc98\ub9ac, try-catch-finally \uad6c\ubb38”<\/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-43513","post","type-post","status-publish","format-standard","hentry","category-17"],"yoast_head":"\n[Dart \uc5b8\uc5b4\uac15\uc88c] 023. Dart\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ucc98\ub9ac, try-catch-finally \uad6c\ubb38 - \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\/43513\/\" \/>\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] 023. 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