📄 creditcardtype.java
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package auction.model;/** * A simple enumeration. * * @author Christian Bauer */public enum CreditCardType { MASTERCARD("Mastercard"), VISA("Visa"), AMEX("American Express"); private final String debugName; private CreditCardType(String debugName) { this.debugName = debugName; } public String toString() { return debugName; } // ********************** Business Methods ********************** // public boolean isValid(CreditCard cc) { // TODO: Implement syntactical validation of credit card information. return true; }}
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