Java Thread suspend() Method with Examples

by Online Tutorials Library July 22, 2022

Java Thread suspend() method

The suspend() method of thread class puts the thread from running to waiting state. This method is used if you want to stop the thread execution and start it again when a certain event occurs. This method allows a thread to temporarily cease execution. The suspended thread can be resumed using the resume() method.

Syntax

Return

This method does not return any value.

Exception

SecurityException: If the current thread cannot modify the thread.

Example

  public class JavaSuspendExp extends Thread  {        public void run()      {            for(int i=1; i<5; i++)          {                try              {                  // thread to sleep for 500 milliseconds                   sleep(500);                   System.out.println(Thread.currentThread().getName());                }catch(InterruptedException e){System.out.println(e);}                System.out.println(i);            }        }        public static void main(String args[])      {            // creating three threads           JavaSuspendExp t1=new JavaSuspendExp ();            JavaSuspendExp t2=new JavaSuspendExp ();           JavaSuspendExp t3=new JavaSuspendExp ();           // call run() method           t1.start();          t2.start();          // suspend t2 thread           t2.suspend();           // call run() method           t3.start();      }    }  

Test it Now

Output:

Thread-0  1  Thread-2  1  Thread-0  2  Thread-2  2  Thread-0  3  Thread-2  3  Thread-0  4  Thread-2  4

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Java Thread suspend() Method with Examples

Java Thread suspend() method

Syntax

Return

Exception

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