public class DoDivision
{
    private int numerator;
    private int denominator;
    private double quotient;

   public static void main(String[] args)
   {
        DoDivision doIt = new DoDivision();

        try
        {
           doIt.normal();
        }
        catch(DivideByZeroException e)
        {
            System.out.println(e.getMessage());
            doIt.secondChance();
        }
        System.out.println("End of Program.");

    }
    


    public void normal() throws DivideByZeroException
    {
        System.out.println("Enter numerator:"); 
        numerator = SavitchIn.readLineInt(); 
        System.out.println("Enter denominator:"); 
        denominator = SavitchIn.readLineInt();
        if (denominator == 0)
            throw new DivideByZeroException();
        quotient = numerator/(double)denominator;
        System.out.println(numerator + "/" 
                                     + denominator 
                                     + " = " + quotient);
   }
 
   public void secondChance()
   {
        System.out.println("Try Again:");   
        System.out.println("Enter numerator:"); 
        numerator = SavitchIn.readLineInt();
        System.out.println("Enter denominator:");
        System.out.println("Be sure the denominator is not zero.");
        denominator = SavitchIn.readLineInt();
        if (denominator == 0)
        {
            System.out.println("I cannot do division by zero.");
            System.out.println("Since I cannot do what you want,");
            System.out.println("the program will now end.");
            System.exit(0);
        }
        quotient = ((double)numerator)/denominator;
        System.out.println(numerator + "/" 
                                     + denominator 
                                     + " = " + quotient);
    }
}