Java ThreadGroup suspend() method with Examples

by Online Tutorials Library July 22, 2022

Java ThreadGroup suspend() method

The suspend() method of ThreadGroup class is used to suspend all threads in the thread group.

Syntax

Return

This method does not return any value.

Exception

SecurityException: This exception throws if the current thread is not allowed to access the thread group or any of the threads in the thread group.

Example 1

  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() + ” completed executing”);      }  }  public class ThreadGroupSuspendExp   {      public static void main(String arg[]) throws InterruptedException,          SecurityException, Exception      {          // creating the threadGroup          ThreadGroup tg1 = new ThreadGroup(“Parent thread”);          ThreadGroup tg2 = new ThreadGroup(tg1, “Child thread”);            // creating a thread           NewThread t1 = new NewThread(“Thread-1”, tg1);          System.out.println(“Starting of Thread-1”);          t1.start();          // creating another thread           NewThread t2 = new NewThread(“Thread-2”, tg2);          System.out.println(“Starting of Thread-2”);          t2.start();                   // this will suspend all the threads          tg1.suspend();      }  }     

Test it Now

Output:

Starting of Thread-1  Starting of Thread-2

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Java ThreadGroup suspend() method with Examples

Java ThreadGroup suspend() method

Syntax

Return

Exception

Example 1

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