Editor
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Calculator
{
static double hasil = 0.0;
static void penjumlahan(double a)
{
hasil=hasil+a;
JOptionPane.showMessageDialog(null,"the results "+hasil);
}
static void pengurangan(double a)
{
hasil=hasil-a;
JOptionPane.showMessageDialog(null,"the results "+hasil);
}
static void perkalian(double a)
{
hasil=hasil*a;
JOptionPane.showMessageDialog(null,"the results "+hasil);
}
static void pembagian(double a)
{
hasil=hasil/a;
JOptionPane.showMessageDialog(null,"the results "+hasil);
}
static void modulus(double a)
{
hasil=hasil%a;
JOptionPane.showMessageDialog(null,"the results "+hasil);
}
public static void utama()
{
String input = JOptionPane.showInputDialog("Simple Calculator\n===============\n1. Penjumlahan ( + )\n2. Pengurangan ( - )\n3. Perkalian ( x )\n4. Pembagian ( / )\n5. Modulus ( % )\nInput Selection : ");
int inputan = Integer.parseInt(input);
switch(inputan)
{
case 1:double input2 = Double.parseDouble(JOptionPane.showInputDialog("( + ) Input Value "));
penjumlahan(input2);break;
case 2:input2 = Double.parseDouble(JOptionPane.showInputDialog("( - ) Input Value "));
pengurangan(input2);break;
case 3:input2 = Double.parseDouble(JOptionPane.showInputDialog("( x ) Input Value "));
perkalian(input2);break;
case 4:input2 = Double.parseDouble(JOptionPane.showInputDialog("( / ) Input Value "));
pembagian(input2);break;
case 5:input2 = Double.parseDouble(JOptionPane.showInputDialog("( % ) Input Value "));
modulus(input2);break;
default:JOptionPane.showMessageDialog(null,"Input is not available !!!!!");
}
}
public static void main(String[] args)
{
for(int i=0;i<1;i--)
{
utama();
}
}
}
//use "Calculator.java" for file name
