ch05/tax/TaxCalculator.java
 import java.util .Scanner;

 /**
 This program calculates a simple tax return.
 */
 public class TaxCalculator
{
 public static void main(String[] args)
 {
 Scanner in = new Scanner(System.in);

 System.out.print(Please enter your income: );
double income = in.nextDouble();

 System.out.print(Are you married? (Y/N) );
 String input = in.next();
 int status;
 if (input.equalsIgnoreCase(Y))
 status = TaxReturn.MARRIED;
else
 status = TaxReturn.SINGLE;
 TaxReturn aTaxReturn = new TaxReturn(income, status);

 System.out.println(Tax: 
 + aTaxReturn.getTax());
 }
 }