Program to add two numbers using function in java.

import java.util.*;

public class function {

    public static int calculateSum(int a,int b){

        int sum=a+b;

        return sum;

    }

    public static void main(String[] args){

        Scanner sc=new Scanner(System.in);

        System.out.print("enter two numbers=");

        int a=sc.nextInt();

        int b=sc.nextInt();

       int s=calculateSum(a,b);

        System.out.print("the sum of two number is="+s);

    }

}

■》Output->

enter two numbers=

3

4

the sum of two number is= 7