UnCheckedException : InterruptedExcept

public class InterruptedExcept {

    public static void main(String[] args) throws InterruptedException {

        Thread thread = new SampleThread();        thread.start();        thread.interrupt();        thread.join();
    }
}

class SampleThread extends Thread {
    public SampleThread() {
        super();        System.out.println("An instance of the " + SampleThread.class + " class was created!");    }
    @Override    public void run() {
        try {
            /* Sleep for some seconds. */            TimeUnit.SECONDS.sleep(10);        }
        catch(InterruptedException ex) {
            System.err.println("An InterruptedException was caught: " + ex.getMessage());        }
    }
}