import java.util.Scanner;
 
public class Kalkulator
{ 
    public static void main(String[] args) 
    {
     System.out.println("Kalkulator 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 Operasi = ");
     Scanner input = new Scanner(System.in);    
     int pilihan = input.nextInt();
     System.out.print("Masukan Operand Ke-1 = ");
     float angka1 = input.nextFloat();
     System.out.print("Masukan Operand Ke-2 = ");
     float angka2 = input.nextFloat();
        switch(pilihan)
        {
            case 1:
            System.out.println( + angka1 + " + " + angka2 );
            System.out.print("Hasilnya = ");
            System.out.println( angka1 + angka2 );
            break;
            case 2:
            System.out.println( + angka1 + " - " + angka2 );
            System.out.print("Hasilnya = ");
            System.out.println( angka1 - angka2 );
            break;
            case 3:
            System.out.println( + angka1 + " x " + angka2 );
            System.out.print("Hasilnya = ");
            System.out.println( angka1 * angka2 );
            break;
            case 4:
            System.out.println( + angka1 + " : " + angka2 );
            System.out.print("Hasilnya = ");
            System.out.println( angka1 / angka2 );
            break;
            default:
            System.out.println("Anda tidak memasukkan angka");
 
        }
    }
}