How an exception can be lost

          
// : c09:LostMessage.java
// How an exception can be lost.
// {ThrowsException}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

class VeryImportantException extends Exception {
  public String toString() {
    return "A very important exception!";
  }
}

class HoHumException extends Exception {
  public String toString() {
    return "A trivial exception";
  }
}

public class LostMessage {

  void f() throws VeryImportantException {
    throw new VeryImportantException();
  }

  void dispose() throws HoHumException {
    throw new HoHumException();
  }

  public static void main(String[] args) throws Exception {
    LostMessage lm = new LostMessage();
    try {
      lm.f();
    } finally {
      lm.dispose();
    }

  }
} ///:~

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How an exception can be lost : Exceptions « Language Basics « Java

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