/* Program to calculate the total cost */
/* Programmer: Sammy Student, File Name: Sample.java */
import java.awt.Graphics;
import javax.swing.JOptionPane;
import java.text.DecimalFormat;
public class Sample {
public static void main(String args[])
{
String firstNum, secondNum;
int num1,num2;
double grandtotal, subtotal, tax;
DecimalFormat twoDecimal = new DecimalFormat("0.00");
firstNum = JOptionPane.showInputDialog("Enter number of units");
secondNum = JOptionPane.showInputDialog("Enter unit price");
num1 = Integer.parseInt(firstNum);
num2 = Integer.parseInt(secondNum);
subtotal = num1 * num2;
tax = 0.06 * subtotal; // tax rate is 6 percent
grandtotal = subtotal + tax;
JOptionPane.showMessageDialog(null, " The total due is $"
+ twoDecimal.format(grandtotal), "Result",
JOptionPane.PLAIN_MESSAGE);
System.exit(0);
}
}