which keyword used for deriving classes in java. code example
Example 1: 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 Cub extends Lion
{
void born()
{
System.out.println("cub drinking milk");
}
public static void main(String[] args)
{
Animal obj1 = new Animal();
obj1.eating();
Lion obj2 = new Lion();
obj2.eating();
obj2.roar();
Cub obj3 = new Cub();
obj3.eating();
obj3.roar();
obj3.born();
}
}
Example 2: Inheritance in java
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();
}
}