MEMBUAT KALKULATOR SEDERHANA DENGAN JAVA

import java.io.*;

public class calkulator{

public static void main (String[] args) {

try{

DataInputStream in = new DataInputStream(System.in);

System.out.println("Inputkan angka pertama = ");

int a = Integer.parseInt(in.readLine());

System.out.println("Inputkan angka kedua = ");

int b = Integer.parseInt(in.readLine());

System.out.println("1.Penjumlahan \n2.Pengurangan \n3.Perkalian \n4.pembagian");

System.out.print("Operasi yang di pilih = ");

int c = Integer.parseInt(in.readLine());

int x = 1;

do

{

x++;

}

while (x <= 50);

System.out.println("\nAnda menjalankan kalkulator sederhana");

if (c == 1)

{

int d = a+b;

System.out.println("Hasil penjumlahan = "+d);

}

else

if (c == 2)

{

int d = a-b;

System.out.println("Hasil pengurangan = "+d);

}

else

if (c == 3);

{

int d = a*b;

System.out.println("Hasil perkalian = "+d);

}

if (c == 4)

{

int d = a/b;

System.out.println("Hasil pembagian = "+d);

}

}

catch (Exception e)

{

System.out.println("Masukan angka!");

}

}

}