Need help about switch & case statements

Question

Dear friends
I am new student of Java
Our University gave us project to make a program. Here is the program:
a- Write a java program ,so the user can input the monthly salary then compute the net salary of an employee after deducting the tax ,use the following table to calculate the tax .Note use switch statement .
Annual salary Tax
100- 999 0
1000- 1999 5%
2000- 3999 7%
4000- 7000 10%
7000 13%Please help me how could I use switch statement.
All I know about switch statement is that I have use Integers for selection.
Kindly help me. I have only 2 days to submit my assignment.
Thanks in Advance
Edited by: syedejaz on Aug 13, 2008 8:09 AM
Edited by: syedejaz on Aug 13, 2008 8:10 AM

Answer 1

Hello every body:
I tried to make my first program using if then else but the problem is that no calcuation is happinig
/*  TMA01 ITC250, Part-III, a
  Program which gets input monthly salary and shows net salary after deducting given tax.
File: netSalary.java
import javax.swing.*;
import java.text.*;
public class netSalary {
public static void main(String[] args) {
       int Salary=0,Tax=0,monthlySalary=0;
       monthlySalary= Integer.parseInt(JOptionPane.showInputDialog(null, "Enter Monthly Salary:"));
       if ((monthlySalary>=100) && (monthlySalary<=999)) {
            Tax = (monthlySalary*(0/100));
      Salary = (monthlySalary-Tax);
     JOptionPane.showMessageDialog(null, "Net Salary is:" +Salary);
        } else if ((monthlySalary>=1000) && (monthlySalary<=1999)) {
            Tax = (monthlySalary*(5/100));
     Salary = (monthlySalary-Tax);
     JOptionPane.showMessageDialog(null, "Net Salary is:" +Salary);
        } else if (monthlySalary>=2000 && monthlySalary<=3999) {
            Tax = (monthlySalary*(7/100));
     Salary = (monthlySalary-Tax);
     JOptionPane.showMessageDialog(null, "Net Salary is:" +Salary);
        } else if (monthlySalary>=4000 && monthlySalary<=7000) {
            Tax = (monthlySalary*(10/100));
     Salary = (monthlySalary-Tax);
     JOptionPane.showMessageDialog(null, "Net Salary is:" +Salary);
        } else {
            Tax = (monthlySalary*(13/100));
     Salary = (monthlySalary-Tax);
     JOptionPane.showMessageDialog(null, "Net Salary is:" +Salary);
} The tax is not detuting. please tell me the mistake
Edited by: syedejaz on Aug 13, 2008 2:49 PM