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  1. // Parent class
  2. class Animal {
  3.     String name;
  4.     int age;
  5.  
  6.     public Animal(String name, int age) {
  7.         this.name = name;
  8.         this.age = age;
  9.     }
  10.  
  11.     public void eat() {
  12.         System.out.println(name + " is eating.");
  13.     }
  14.  
  15.     public void sleep() {
  16.         System.out.println(name + " is sleeping.");
  17.     }
  18. }
  19.  
  20. // Child class inheriting from Animal
  21. class Dog extends Animal {
  22.     String breed;
  23.  
  24.     public Dog(String name, int age, String breed) {
  25.         super(name, age); // Invoke superclass constructor
  26.         this.breed = breed;
  27.     }
  28.  
  29.     public void bark() {
  30.         System.out.println(name + " is barking.");
  31.     }
  32. }
  33.  
  34. // Another child class inheriting from Animal
  35. class Cat extends Animal {
  36.     String color;
  37.  
  38.     public Cat(String name, int age, String color) {
  39.         super(name, age); // Invoke superclass constructor
  40.         this.color = color;
  41.     }
  42.  
  43.     public void meow() {
  44.         System.out.println(name + " is meowing.");
  45.     }
  46. }
  47.  
  48. public class Main {
  49.     public static void main(String[] args) {
  50.         // Creating instances of Dog and Cat
  51.         Dog dog = new Dog("Buddy", 3, "Labrador");
  52.         Cat cat = new Cat("Whiskers", 2, "White");
  53.  
  54.         // Calling methods from parent class
  55.         dog.eat();  // Inherited method
  56.         cat.sleep(); // Inherited method
  57.  
  58.         // Calling methods specific to child class
  59.         dog.bark();
  60.         cat.meow();
  61.  
  62.         // Accessing fields
  63.         System.out.println("Dog's breed: " + dog.breed);
  64.         System.out.println("Cat's color: " + cat.color);
  65.     }
  66. }
  67.  
Success #stdin #stdout 0.15s 55452KB
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Buddy is eating.
Whiskers is sleeping.
Buddy is barking.
Whiskers is meowing.
Dog's breed: Labrador
Cat's color: White
https://ideone.com/9CBvf2
language:
Java (HotSpot 12)
created:
34 days ago
visibility:
public

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