public class Account
{
   private int accountNumber;
   private int pin;
   private double availableBalance;
   private double totalBalance;

   public Account (int theAccountNumber, int thePIN,
        double theAvailableBalance, double theTotalBalance)
   {
       accountNumber = theAccountNumber;
       pin = thePIN;
       availableBalance = theAvailableBalance;
       totalBalance = theTotalBalance;
    }

    public boolean validatePIN(int userPIN)
    {
        if(userPIN == pin)
            return true;
        else
            return false;
    }

    public double getAvailableBalance()
    {
        return availableBalance;
    }

    public double getTotalBalance()
    {
        return totalBalance;
    }

    public void credit(double amount)
    {
        totalBalance +=amount;
    }

    public void debit(double amount)
    {
        availableBalance -=amount;
        totalBalance -= amount;
    }

    public int getAccountNumber()
    {
        return accountNumber;
    }
}