Answers for "how inheritance works in java"

4

Inheritance in java

// Hierarchical inheritance in java
class Animal
{
   void eating()
   {
      System.out.println("animal eating");
   }
}
class Lion extends Animal
{
   void roar()
   {
      System.out.println("lion roaring");
   }
}
public class Dog extends Animal
{
   void bark()
   {
      System.out.println("dog barking");
   }
   public static void main(String[] args)
   {
      Animal obj1 = new Animal();
      obj1.eating();
      Lion obj2 = new Lion();
      obj2.eating();
      obj2.roar();
      Dog obj3 = new Dog();
      obj3.eating();
      obj3.bark();
   }
}
Posted by: Guest on November-23-2020
2

Inheritance in java

// single inheritance example
import java.util.*;
class Animal
{
   void eat()
   {
      System.out.println("Animal is eating.");
   }
}
class Lion extends Animal
{
   void roar()
   {
      System.out.println("lion is roaring.");
   }
   public static void main(String[] args)
   {
      Lion obj = new Lion();
      obj.eat();
      obj.roar();
   }
}
Posted by: Guest on November-23-2020
2

Inheritance in java

// Multiple inheritance in java
interface M
{
   public void helloWorld();
}
interface N
{
   public void helloWorld();
}
// implementing interfaces
public class MultipleInheritanceExample implements M, N
{
   public void helloWorld()
   {
      System.out.println("helloWorld() method");
   }
   public static void main(String[] args) 
   {
      MultipleInheritanceExample obj = new MultipleInheritanceExample();
      obj.helloWorld();
   }
}
Posted by: Guest on November-23-2020
2

inheritance in java

Inheritance in Java is a mechanism in which one object acquires 
all the properties and behaviors of a parent object.
It is an important part of OOPs (Object Oriented programming system).
Posted by: Guest on May-03-2021

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