kalkulator sederhana

kalkulator.java

package brata.com;

import java.util.Scanner;

public class kalkulator {
    static float total = 0, bil1 = 1, bil2 = 1;

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        while(bil2 != 0 & bil1 != 0){
            System.out.println("\nKalkulator Sederhana");
            System.out.println("1.Penjumlahan");
            System.out.println("2.Pengurangan");
            System.out.println("3.Perkalian");
            System.out.println("4.Pembagian");
            System.out.print("Masukan Pilihan Anda = ");
            int pilihan = input.nextInt();

            switch(pilihan){

                case 1:
                    InputBilangan();
                    System.out.println( + bil1 + " + " + bil2 );
                    System.out.print("Hasilnya = ");
                    total = bil1 + bil2;
                    System.out.println(total);
                    break;
                case 2:
                    InputBilangan();
                    System.out.println( + bil1 + " - " + bil2 );
                    System.out.print("Hasilnya = ");
                    total = bil1 - bil2;
                    System.out.println(total);
                    break;
                case 3:
                    InputBilangan();
                    System.out.println( + bil1 + " x " + bil2 );
                    System.out.print("Hasilnya = ");
                    total = bil1 * bil2;
                    System.out.println(total);
                    break;
                case 4:
                    InputBilangan();
                    System.out.println( + bil1 + " : " + bil2 );
                    System.out.print("Hasilnya = ");
                    total = bil1 / bil2;
                    System.out.println(total);
                    break;
                default:
                    System.out.println("============================");
                    System.out.println("Anda harus mengisi angka\n\n");

            }

        }
    }

    private static void InputBilangan() {

        Scanner input = new Scanner(System.in);
        System.out.print("Masukan Bilangan Ke-1 = ");
        bil1 = input.nextFloat();
        System.out.print("Masukan Bilangan Ke-2 = ");
        bil2 = input.nextFloat();
    }
}