//CashDispenser.java
//represents cashdispenser in ATM

public class CashDispenser
{
    //the default initial number of bills in ATM
    private final static int INITIAL_COUNT = 500;
    private int count;// number of $20 bill remaining

    //no argument cash dispenser constructor initializes count to default
    public CashDispenser()
    {
        count = INITIAL_COUNT;// set count to default
    }// end CashDispenser COnstructor

    //simulates dispensing of spesific amount of cash
    public void dispenseCash( int amount )
    {
        int billsRequired = amount / 20;
        count -= billsRequired;
    }// end method dispenseCash

    //indicates wether there are enoug bills;
    public boolean isSufficientCashAvailable( int amount )
    {
        int billsRequired = amount / 20;

        if( count>= billsRequired )
            return true;//there are enouhg bills
        else
            return false;// there are no enoug bills
    }//end of method isSufficientCashAvailable
}// end of cah Cash Dispenser