Java Thread isDaemon() Method with Examples

by Online Tutorials Library July 22, 2022

Java Thread isDaemon() method

The isDaemon() method of thread class checks if the thread is a daemon thread. If the thread is daemon thread, this method will return true else it returns false.

Syntax

Return

This method will return true if the thread is daemon thread otherwise return false.

Example

  public class JavaIsDaemonExp extends Thread  {        public void run()      {            //checking for daemon thread            if(Thread.currentThread().isDaemon())          {              System.out.println(“daemon thread work”);            }            else          {                System.out.println(“user thread work”);            }        }        public static void main(String[] args)      {            // creating three threads          JavaIsDaemonExp t1=new JavaIsDaemonExp();           JavaIsDaemonExp t2=new JavaIsDaemonExp();            JavaIsDaemonExp t3=new JavaIsDaemonExp();            // set user thread t1 to daemon thread            t1.setDaemon(true);          //starting all the threads           t1.start();           t2.start();            t3.start();        }    }    

Test it Now

Output:

daemon thread work  user thread work  user thread work

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Syntax

Return

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