ConsoleClock.java

import java.util.Date;
import java.util.concurrent.TimeUnit;

public class ConsoleClock implements Runnable {

   @Override
   public void run() {
      for (int i = 0; i < 10; i++) {
         System.out.printf("%s\n", new Date());
         try {
            // Sleep during one second
            TimeUnit.SECONDS.sleep(1);
         } catch (InterruptedException e) {
            System.out.printf("The FileClock has been interrupted.\n");
         }
      }
   }
}

Main.java

// Sleeping and resuming a thread

import java.util.concurrent.TimeUnit;

public class Main {

   public static void main(String[] args) {
      // Creates a FileClock runnable object and a Thread
      // to run it
      ConsoleClock clock = new ConsoleClock();
      Thread thread = new Thread(clock);

      // Starts the Thread
      thread.start();
      try {
         // Waits five seconds
         TimeUnit.SECONDS.sleep(5000);
      } catch (InterruptedException e) {
         e.printStackTrace();
      }

      // Interrupts the Thread
      thread.interrupt();
   }
}