Java ThreadGroup interrupt() method with Examples

by Online Tutorials Library July 22, 2022

Java ThreadGroup interrupt() method

The interrupt() method of ThreadGroup class is used to interrupt all the 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

  class NewThread extends Thread   {      NewThread(String threadname, ThreadGroup tg)      {          super(tg, threadname);      }  public void run()      {          for (int i = 0; i < 10; i++)           {              try              {                  Thread.sleep(10);              }              catch (InterruptedException ex)               {                System.out.println(Thread.currentThread().getName()                                     + ” interrupted”);              }          }          System.out.println(Thread.currentThread().getName() +                ” completed executing”);      }  }   public class ThreadGroupInterruptExp  {      public static void main(String arg[]) throws InterruptedException,          SecurityException      {          // creating the thread group          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(t1.getName() + ” starts”);          t1.start();                    // interrupting thread group          tg1.interrupt();                    // creating another thread           NewThread t2 = new NewThread(“Thread-2″, tg1);          System.out.println(t2.getName() + ” starts”);          t2.start();      }  }  

Test it Now

Output:

Thread-1 starts  Thread-2 starts  Thread-1 interrupted  Thread-1 completed executing  Thread-2 completed executing

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Java ThreadGroup interrupt() method with Examples

Java ThreadGroup interrupt() method

Syntax

Return

Exception

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