The thread can interrupt the thread by sending an interrupt signal by calling the interrupt() method of the thread object. This means that the thread's interruption is caused by another thread calling the interrupt() method.
The Thread class provides three interrupt methods:
public class ThreadInterruptTest { public static void main(String[] args) { System.out.println("Thread main started"); final Task task = new Task(); final Thread thread = new Thread(task); thread.start(); thread.interrupt(); // calling interrupt()<strong> </strong>method System.out.println("Main Thread finished"); } } class Task implements Runnable { @Override public void run() { for (int i = 0; i < 5; i++) { System.out.println("[" + Thread.currentThread().getName() + "] Message " + i); if(Thread.interrupted()) { System.out.println("This thread was interruped by someone calling this Thread.interrupt()"); System.out.println("Cancelling task running in thread " + Thread.currentThread().getName()); System.out.println("After Thread.interrupted() call, JVM reset the interrupted value to: " + Thread.interrupted()); break; } } } }
Thread main started Main Thread finished [Thread-0] Message 0 This thread was interruped by someone calling this Thread.interrupt() Cancelling task running in thread Thread-0 After Thread.interrupted() call, JVM reset the interrupted value to: false
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