public class CashDispenser
{
private final static int INITIAL_COUNT = 500;
private int count;
public CashDispenser()
{
count = INITIAL_COUNT;
}
public void dispenseCash(int amount)
{
int billRequired = amount / 20;
count -= billRequired;
}
public boolean isSufficientCashAvailable(int amount)
{
int billRequired = amount / 20;
if(count >= billRequired) return true;
else return false;
}
}