Overriding

 package com.company;

//overloading means one class have more than one methods have same name but different argument/parameter
class A{
    public void met2() {
        System.out.println("I am a method 2 of class A");//met2 o/p of classA
    }
    public int kaps(){
        return 10;
    }
        }
    class B extends A{
     @Override //it means we have used override and easy to understand we have used override
        public void met2() { /*method overriding means the
                            same name of methods of child class implements & parent class can run
                            with same name but give different output and implementation */
            //met2 o/p of classB
            System.out.println("I am a method 2 of class B");
        }
    public void met3(){
        System.out.println("I am a method 3 of class B");
    }

        }
public class Method_overriding {
    public static void main(String[] args) {
     A a=new A();
//     System.out.println( a.kaps());
     a.met2();
     B b=new B();
     b.met2();
    }
}

o/p

I am a method 2 of class A
I am a method 2 of class B