JAVA PROGRAM TO UNDERSTAND ABSTRACT METHODS AND CLASSES

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 abstract class Animal {

  abstract void makeSound();


  public void eat() {

    System.out.println("I can eat.");

  }

}


class Dog extends Animal {


  // provide implementation of abstract method

  public void makeSound() {

    System.out.println("Bark bark");

  }

}


public class Main {

  public static void main(String[] args) {


    // create an object of Dog class

    Dog d1 = new Dog();


    d1.makeSound();

    d1.eat();

  }

}

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