Demonstration de recupération d’une Exception non gérée

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import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
import javax.swing.JButton;
import javax.swing.JFrame;
 
public class ThreadBasedCatcher extends JFrame{
 
  public static void main(String[] args) {
    new ThreadBasedCatcher().setVisible(true);
  }
  public ThreadBasedCatcher(){
    Container cp = getContentPane();
    JButton crasher = new JButton("Crash");
    cp.add(crasher);
    crasher.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        throw new RuntimeException("Exception");
      }
    });
    Thread.setDefaultUncaughtExceptionHandler(
        new Thread.UncaughtExceptionHandler(){
          public void uncaughtException(Thread t, Throwable ex){
            System.out.println(
              "Crash dans le thread " + t.getName());
            System.out.println(
              "Exception: " + ex.toString());
          }
        });
    pack();
  }
}
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