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/* * Main.java * * Created on April 2, 2016, 9:45
PM * * To change this template, choose Tools | Template
Manager * and open the template in the editor. */
package grr;import javax.swing.JOptionPane;/** * *
@author Dell */public class Main {
/** Creates a new instance of Main */ public Main()
{ }
/** * @param args the command line arguments */
public static void main(String[] args) { // TODO
code application logic here String output1 ,output2 ,output3
,output4 ,output5; int choice;
output1 = JOptionPane.showInputDialog( null, "Enter customer
name");
output2= JOptionPane.showInputDialog( null, "Enter your customer
ID");
output3= JOptionPane.showInputDialog( null, "Enter your
address"); { choice
=Integer.parseInt(JOptionPane.showInputDialog ("What do you want
to calculate? \n[1] Water Bill \n[2] Electricity Bill"));
switch(choice) { case 1: int
w_units,water_input; double water_bill=0; String water
= JOptionPane.showInputDialog( null, "Water consumed:");
{water_input = Integer.parseInt(water);
if (water_input>0 &&water_input20 &&
water_input30) { w_units=water_input-30;
water_bill=(0.6*20)+(10*0.7)+(w_units*0.8);
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} else {
JOptionPane.showMessageDialog(null,"Wrong Unit Consumed
Entered","ERROR",JOptionPane.ERROR_MESSAGE); }
JOptionPane.showMessageDialog(null,"Hello,\n"+output1+"\n"+output2+"\n"+output3+"\n\nAmount
of Electricity Bill is RM"+water_bill,"BILL
CALCULATOR",JOptionPane.INFORMATION_MESSAGE); break;
} case 2: int e_units,elec_input; double
elec_bill=0; String elec = JOptionPane.showInputDialog( null,
"Electric consumed:");
{elec_input = Integer.parseInt(elec);
if (elec_input>0 &&elec_input200 &&
elec_input300 && elec_input600) {
e_units=elec_input-600;
elec_bill=(0.21*200)+(0.33*100)+(0.51*300)+(e_units*0.54);
} else {
JOptionPane.showMessageDialog(null,"Wrong Unit Consumed
Entered","ERROR",JOptionPane.ERROR_MESSAGE); }
JOptionPane.showMessageDialog(null,"Hello,\n"+output1+"\n"+output2+"\n"+output3+"\n\nAmount
of Electricity Bill is RM"+elec_bill,"BILL
CALCULATOR",JOptionPane.INFORMATION_MESSAGE); break;
}
default: JOptionPane.showMessageDialog(null,"Invalid
Choice!","ERROR",JOptionPa
ne.ERROR_MESSAGE); break;}
} }}
