Java Thread resume() method

The resume() method of thread class is only used with suspend() method. This method is used to resume a thread which was suspended using suspend() method. This method allows the suspended thread to start again.

Syntax

Return value

This method does not return any value.

Exception

SecurityException: If the current thread cannot modify the thread.

Example

public class JavaResumeExp 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 
        JavaResumeExp t1=new JavaResumeExp ();  
        JavaResumeExp t2=new JavaResumeExp (); 
        JavaResumeExp t3=new JavaResumeExp (); 
        // call run() method 
        t1.start();
        t2.start();
        t2.suspend(); // suspend t2 thread 
        // call run() method 
        t3.start(); 
        t2.resume(); // resume t2 thread
    }  
}

Test it Now

Output:

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

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