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

Next Topicmultithreading in java

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