「Javaとの相互運用」の練習問題の解答例を追加 #91
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| System.exit(0) | ||
| ``` | ||
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| 実行中のScalaプログラム（プロセス）が終了する。 |
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sbtのconsoleだと以下のようになって死なない、みたいな罠(?)あるけど、まぁ説明面倒だしひとまず書かなくてもいいか・・・
Welcome to Scala version 2.10.5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_77).
Type in expressions to have them evaluated.
Type :help for more information.
scala> System.exit(0)
Exception: sbt.TrapExitSecurityException thrown from the UncaughtExceptionHandler in thread "run-main-0"
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sbt consleでSystem.exit()試したことなかったので、それに対するガードがかかっているとは知らなかった…。
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