Java Thread getThreadGroup() Method with Examples

by Online Tutorials Library July 22, 2022

Java Thread getThreadGroup() method

The getThreadGroup() method of thread class is used to return the thread’s thread group to which this thread belongs. This method returns null if this thread has died (been stopped).

Syntax

Return

This method returns the thread group of the thread.

Example

  class JavaGetThreadGroupExp implements Runnable {      public void run()       {          System.out.println(“tutoraspire”);      }  }  public class GetThreadGroup   {      public static void main(String[] args)       {          // create thread groups          ThreadGroup group = new ThreadGroup(“ThreadGroup”);          ThreadGroup anotherGroup = new ThreadGroup(group, “AnotherGroup”);                    // create threads and placed into thread group          Thread t1 = new Thread(group, new JavaGetThreadGroupExp(), “Thread-1”);          Thread t2 = new Thread(anotherGroup, new JavaGetThreadGroupExp(), “Thread-2″);            // Start the threads          t1.start();          t2.start();                    // returns the Thread Group to which this thread belongs          System.out.println(t1.getName() +” is a member of ” + t1.getThreadGroup().getName());          System.out.println(t2.getName()+ ” is a member of “+ t2.getThreadGroup().getName());      }  }  

Test it Now

Output:

Thread-1 is a member of ThreadGroup  Thread-2 is a member of AnotherGroup TutorAspire tutoraspire

The above example use getThreadGroup() method of Thread class to get the object of ThreadGroup then use the getName() method to get the name of the thread group.

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Java Thread getThreadGroup() Method with Examples

Java Thread getThreadGroup() method

Syntax

Return

Example

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