lostmessage.java

thinking in java 书中源码 第四版

//: exceptions/LostMessage.java
// How an exception can be lost.

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) {
    try {
      LostMessage lm = new LostMessage();
      try {
        lm.f();
      } finally {
        lm.dispose();
      }
    } catch(Exception e) {
      System.out.println(e);
    }
  }
} /* Output:
A trivial exception
*///:~