Java Collaboration

// Justin Nugent// 10/16/07// Pd.1 AP Javaimport java.util.Scanner;public class IRS {private double incomeSingle;private double incomeMarried;private int martialStatus;private double incomeA;private double taxableIncomeSingle; private double taxableIncomeMarried;Scanner in = new Scanner(System.in);public IRS(){	incomeSingle = 0.0;	incomeMarried = 0.0;	incomeA = 0.0;	martialStatus = 0;	taxableIncomeSingle = 0.0;	taxableIncomeMarried = 0.0;}public int MartialStatus(){	System.out.println("Filling Status: ");	System.out.println("1.Single");	System.out.println("2.Married");	System.out.print("Enter your martial status number: ");	martialStatus = in.nextInt();	System.out.print("Enter your income: ");	incomeA = in.nextDouble();	switch(martialStatus){	case 1:              incomeSingle = incomeA;	     incomeSingle();	     break;	case 2:              incomeMarried(); // Doesn't exist!	     break;	default:             System.out.println("That number is not one of the choices!");	     break;	}}public double incomeSingle(){	if(incomeSingle > 0) && (incomeSingle <= 27050){		taxableIncome	}	else}}