Java Thread isInterrupted() method

The isInterrupted() method of thread class is an instance method that tests whether the thread has been interrupted. It returns the value of the internal flag either true or false. If the thread is interrupted then it will return true otherwise false.

Syntax

Return

It will return true if the thread has been interrupted otherwise returns false.

Example

public class JavaIsInterruptedExp extends Thread 
{ 
    public void run() 
    { 
        for(int i=1;i<=3;i++) 
        { 
            System.out.println("doing task....: "+i); 
        } 
    } 
    public static void main(String args[])throws InterruptedException 
    { 
        JavaIsInterruptedExp t1=new JavaIsInterruptedExp(); 
        JavaIsInterruptedExp t2=new JavaIsInterruptedExp(); 
        // call run() method 
        t1.start(); 
        t2.start();
        System.out.println("is thread interrupted..: "+t1.isInterrupted());
        System.out.println("is thread interrupted..: "+t2.isInterrupted());
        // interrupt thread t1 
        t1.interrupt(); 
        System.out.println("is thread interrupted..: " +t1.isInterrupted()); 
        System.out.println("is thread interrupted..: "+t2.isInterrupted()); 
    }
}

Test it Now

Output:

is thread interrupted..: false
is thread interrupted..: false
is thread interrupted..: true
is thread interrupted..: false
doing task....: 1
doing task....: 2
doing task....: 3
doing task....: 1
doing task....: 2
doing task....: 3

Next TopicJava Thread

← prev next →