Lec: 23 | JAVA

            

LEC:23

Polymorphism in JAVA | Function Overloading | Function Overiding in JAVA | Compile time vs Run time Polymorphism in JAVA

  

Source Code:

package oops;

import java.util.Scanner;

class Student {

    int sum(int a,int b)

    {

        return (a+b);

    }

    int sum(int a,int b,int c)

    {

        return (a+b+c);

    }

    float sum(int a,float b)

    {

        return (a+b);

    }

      float sum(float a,int b)

    {

        return (a+b);

    }

      

      //overiding

    void display()  

    {

        System.out.println("I am Student class");

    }

}

class Mark extends Student

{

    void display()  

    {

        System.out.println("I am Marks class");

    }

}

public class OOPS {

    public static void main(String[] args) {

        Student O1=new Student();

        System.out.println("The addition of two numbers is : "+O1.sum(5, 8)); 

        System.out.println("The addition of two numbers is : "+O1.sum(5, 8,7)); 

        

        System.out.println("The addition of two numbers is : "+O1.sum(5, 8.6f)); 

        System.out.println("The addition of two numbers is : "+O1.sum(7.8f, 8)); 

        

        

        Mark O3=new Mark();

        O3.display();

    }

}