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//program to demonstrate multilevel inheritance class Animal { public void eat() { System.out.println("eating..."); } } class Dog extends Animal { public void bark() { System.out.println("barking..."); } } class BabyDog extends Dog { public void weep() { System.out.println("weeping..."); } } public class Multilevel { public static void main(String[] args) { BabyDog babyDog = new BabyDog(); babyDog.eat(); babyDog.bark(); babyDog.weep(); } }