Java ThreadGroup isDaemon() method with Examples

by Online Tutorials Library July 22, 2022

Java ThreadGroup isDaemon() method

The isDaemon() method of ThreadGroup class tests if this thread group is a daemon thread group.

Syntax

Return

This method returns true if this thread group is a daemon thread group. Otherwise, it will return false.

Example

  class NewThread extends Thread   {      NewThread(String threadname, ThreadGroup tg)      {          super(tg, threadname);      }      public void run()      {          for(int i = 0;i < 10;i++)           {              i++;          }          System.out.println(Thread.currentThread().getName() + ” finished executing”);      }  }  public class ThreadGroupIsDaemonExp   {      public static void main(String arg[]) throws InterruptedException,          SecurityException, Exception      {          // creating a threadGroup          ThreadGroup tg = new ThreadGroup(“Parent thread”);          // creating a thread           NewThread t1 = new NewThread(“Thread-1”, tg);          t1.start();                    // returns false if this thread group is not a daemon thread group          System.out.println(“Is ” + tg.getName() + ” a daemon threadGroup? ” + tg.isDaemon());      }  }  

Test it Now

Output:

Is Parent thread a daemon threadGroup? false  Thread-1 finished executing

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Java ThreadGroup isDaemon() method with Examples

Java ThreadGroup isDaemon() method

Syntax

Return

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