/** test case for CreditCard */
public class TestCreditCard {
  /** test charge and getbalance methods */
  public static void main(String[] args) {
    CreditCard x = new CreditCard("me", 1, 1000.00);
    x.charge(50.0);
    x.charge(100.0);
    if (x.getBalance() != 150.0) {
      System.out.println("CreditCard balance should be 150.0, is "
                           + x.getBalance());
    }
  }
 
}