calculator with function

package com.ritesh;

import java.util.Scanner;


public class funcwithcalc {
    public static void main(String[] args) {
        System.out.print("Enter how many time you want to run this task: ");
        Scanner loop=new Scanner(System.in);

        int j=loop.nextInt();




        for(int i=1;i<=j;i++) {

            function1();
        }



    }

    public static  void function1()
    {
        float n1,n2;
        System.out.println("__________________________________________________________________________________________________________________________________________________________________________________________");
        System.out.println("___________________________________________________________________________________________________________________________________________________________________________________________");
       

 /*System.out.println("please type 'yes' or 'no'");
        Scanner scm=new Scanner(System.in);
        String rt=scm.nextLine();
        switch (rt) {

            case "no":
                System.out.println("ok you enter no");
                break;
            default:
                System.out.println("invalid input");
                break;
            case "yes":
                System.out.println("ok enter yes");
                System.out.print("Enter the first number:");

                Scanner sc = new Scanner(System.in);
                n1 = sc.nextFloat();


                System.out.print("Enter the second number:");
                Scanner sc2 = new Scanner(System.in);
                n2 = sc.nextFloat();

                System.out.println("_____________________________________________________________________________________________________________________________");


                String o = "Enter '1' for Addition\t Enter '2' for Subtraction\t Enter '3' for multiplication\t Enter '4' for Division";
                System.out.print(o);

                int input = sc.nextInt();

                switch (input) {
                    case 1:
                        System.out.println("Adding those number");
                        System.out.println(n1 + n2);
                        break;


                    case 2:
                        System.out.println("Subtracting those number");
                        System.out.println(n1 - n2);
                        break;

                    case 3:
                        System.out.println("multiplying those number");
                        System.out.println(n1 * n2);
                        break;
                    case 4:
                        System.out.println("Dividing those number");
                        System.out.println(n1 / n2);
                        break;

                    default:
                        System.out.println("Invalid number");


*/





        System.out.print("Enter the first number:");

        Scanner sc=new Scanner(System.in);
        n1=sc.nextFloat();


        System.out.print("Enter the second number:");
        Scanner sc2=new Scanner(System.in);
        n2=sc.nextFloat();

    System.out.println("_____________________________________________________________________________________________________________________________");


        String o="Enter '1' for Addition\t Enter '2' for Subtraction\t Enter '3' for multiplication\t Enter '4' for Division";
        System.out.println(o);

        int input=sc.nextInt();

        switch (input){
            case 1:
                System.out.println("Adding those number");
                System.out.println(n1+n2);
                break;


                case 2:
                System.out.println("Subtracting those number");
                System.out.println(n1-n2);
                break;
            case 3:
                System.out.println("multiplying those number");
                System.out.println(n1*n2);
                break;
            case 4:
                System.out.println("Dividing those number");
                System.out.println(n1/n2);
                break;

            default:
                System.out.println("Invalid number");
        }





                }


        }