package com.zipcoder.payment; public class CreditCard implements Payment { Long id; String payerName; String number; int expiredMonth; int expiredYear; public CreditCard(){} public CreditCard(String payerName, String number, int expiredMonth, int expiredYear){ this.payerName = payerName; this.number = number; this.expiredMonth = expiredMonth; this.expiredYear = expiredYear; } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getPayerName() { return payerName; } public void setPayerName(String payerName) { this.payerName = payerName; } public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } public int getExpiredMonth() { return expiredMonth; } public void setExpiredMonth(int expiredMonth) { this.expiredMonth = expiredMonth; } public int getExpiredYear() { return expiredYear; } public void setExpiredYear(int expiredYear) { this.expiredYear = expiredYear; } public Long getID() { return null; } public String getShortDescription() { String result = "CC " + getPayerName() + " " + getLastFourDigits() + " " + getExpiredMonth() + "/" + getExpiredYear(); return result; } public String getLastFourDigits(){ String lastFour = number.substring(number.length()-4); return lastFour; } }