public class Cat extends Animal
{
   public void makeNoise()
   {
      System.out.println("I am a cat, meow.");
   }
 
   public void eat()
   {
      System.out.println("I am a cat. I eat meat");
   } 
 
   // Testing program for class Cat
   public static void main(String[] args)
   {
      Cat cat = new Cat();  // I am creating an object of subclass, Cat
      cat.food = "meat";    // I am accessing its inherited instance variable.
      cat.hunger = 10;      // I am accessing its inherited instance variable.
      cat.makeNoise();      // I am accessing its overriden method. 
      cat.eat();            // I am accessing its overriden method.
      cat.sleep();          // I am accessing its inherited method.
      cat.roam();           // I am accessing its inherited method.
   }
}