Re: @override annotation not working correctly javac version _ 1.7.0_25

/**
  * Java program to demonstrate how to override method in Java.
  * Overridden method are resolved during runtime based upon type of object
  * @author Javin
  */
public class CollectionTest {

     public static void main(String args[]) {
       Runnable task = new Task();
       task.run(); //call overridden method in Task
       task = new PeriodicTask();
       task.run(); //calls overridden method in PeriodicTas
     }

}

class Task implements Runnable{
     @Override
     public void run() {
         System.out.println("Run method overridden in Task class");
     }
}

class PeriodicTask extends Task{
     @Override
     public void run() {
         System.err.println("overridden method run() in PeriodicTask class");
     }
}