Java ThreadGroup toString() method with Examples

by Online Tutorials Library July 22, 2022

Java ThreadGroup toString() method

The toString() method of ThreadGroup class returns a string representation of the Thread group.

Syntax

Return

It returns the string representation of 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 ThreadGroupToStringExp  {      public static void main(String arg[])      {          // creating the thread group          ThreadGroup tg1 = new ThreadGroup(“parent thread group”);          ThreadGroup tg2 = new ThreadGroup(tg1, “child threadGroup”);               // creating a thread          NewThread t1 = new NewThread(“Thread-1″, tg1);          System.out.println(t1.getName() + ” starts”);          t1.start();                    // creating another thread          NewThread t2 = new NewThread(“Thread-2″, tg1);          System.out.println(t2.getName() + ” starts”);          t2.start();            // string equivalent of the parent group          System.out.println(“String equivalent: ”                             + tg1.toString());                    // string equivalent of the child group          System.out.println(“String equivalent: ”                             + tg2.toString());      }  }  

Test it Now

Output:

Thread-1 starts  Thread-2 starts  String equivalent: java.lang.ThreadGroup[name=parent thread group,maxpri=10]  String equivalent: java.lang.ThreadGroup[name=child threadGroup,maxpri=10]  Thread-1 completed executing  Thread-2 completed executing

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Java ThreadGroup toString() method with Examples

Java ThreadGroup toString() method

Syntax

Return

Example

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