class Animal {
void eat() {
System.out.println("An Animal is Created");
System.out.println("Animal eats");
}
}
class Dog extends Animal {
void bark() {
System.out.println("A dog barks");
}
}
class Cat extends Animal {
void height() {
System.out.println("A Cat is created");
System.out.println("A cat has small Height");
}
void sound() {
System.out.println("A cat sound is meow meow");
}
}
public class TestHierarchicalInheritance {
public static void main(String args[]) {
Cat cat = new Cat();
cat.eat();
cat.height();
cat.sound();
// cat.bark(); will be compile time error
// because class Cat doesn't inherit dog;
}
}
