Java Thread getDefaultUncaughtExceptionHandler() Method with Examples

by Online Tutorials Library July 22, 2022

Java Thread getDefaultUncaughtExceptionHandler() method

The getDefaultUncaughtExceptionHandler() method of thread class returns the default handler invoked when a thread abruptly terminates due to an uncaught exception. If the returned value is null, there is no default.

Syntax

  public static Thread.UncaughtExceptionHandler getDefaultUncaughtExceptionHandler()  

Return

This method returns the default handler.

Example

  public class JavaetDefaultExceptioneExp implements Runnable   {      public void run()       {          // prints thread name          System.out.println(“Currently running thread is: ” + Thread.currentThread().getName());      }      public static void main(String[] args)       {          JavaetDefaultExceptioneExp g1 = new JavaetDefaultExceptioneExp();          Thread t1 = new Thread(g1);          Thread t2 = new Thread(g1);          // this will call run() function          t1.start();          t2.start();                    // returns the default handler          Thread.UncaughtExceptionHandler handler = Thread           .getDefaultUncaughtExceptionHandler();          System.out.println(handler);      }  }  

Output:

null  Currently running thread is: Thread-0  Currently running thread is: Thread-1

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Java Thread getDefaultUncaughtExceptionHandler() Method with Examples

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