// COBOL Programmers Swing With Java - copyright 2005 Doke, Hardgrave, & Johnson
// Chapter 5 - Computation
// Program to model the CheckingAccount class
// CheckingAccount.java 1 JAN 05

public class CheckingAccount extends Account  // superclass is account
{   // attribute definition
	private float minimumBalance; // private scope limited to this class
	// constructor method
	public CheckingAccount(int newAccountNumber,float newCurrentBalance)
	{  // invoke account constructor to populate account attributes
		super (newAccountNumber, newCurrentBalance);
		minimumBalance = newCurrentBalance; // populate attribute
	} // end constructor

    // accessor method
    public float getMinimumBalance ()
    { return minimumBalance; }

    // instance method to post a check to this account
    public void recordACheck (float checkAmount) throws NSFException
    {
		float balance = getCurrentBalance();
		if (balance >= checkAmount)  // see if sufficient funds
	    {
	    	balance = currentBalance - checkAmount;
	    	setCurrentBalance(balance);    // store new balance
	    }
		else
	    {// if not, throw an exception
    		NSFException e = new NSFException("Not Sufficient Funds");
    		throw e;
		} // end if
    }  // end method recordACheck

    // post a deposit to this account
    public void recordADeposit (float depositAmount)
    {
		float balance = getCurrentBalance(); // retrieve balance
       	balance = balance + depositAmount;   // add deposit
       	setCurrentBalance(balance);          // store new balance
    } // end recordADeposit
}  // end of checking account class