/** Credit Card class 
 * from Chapter 1 of "Data Structures and Algorithms in Java"
 * by Goodrich and Tamassia
 */
public class CreditCard {

       // Instance variables:
       private String number;
       private String name;
       private String bank;
       private double balance;
       private int limit;

       // Constructor:
       CreditCard(String no, String nm, String bk, double bal, int lim) {
         number = no;
         name = nm;
         bank = bk;
         balance = bal;
         limit = lim;
       }

       // Accessor methods:
       public String getNumber() { return number; }
       public String getName() { return name; }
       public String getBank() { return bank; }
       public double getBalance() { return balance; }
       public int getLimit() { return limit; }

       // Action methods:
       // Make a charge 
       public boolean chargeIt(double price) { 
         if (price + balance > (double) limit) 
           return false; // There is not enough money left to charge it
         balance += price;
         return true; // The charge goes through in this case
       }

       // Make a payment
       public void makePayment(double payment) { 
         balance -= payment; 
       }

       // Print a card's information 
       public static void printCard(CreditCard c) { 
         System.out.println("Number = " + c.getNumber());
         System.out.println("Name = " + c.getName());
         System.out.println("Bank = " + c.getBank());
         System.out.println("Balance = " + c.getBalance()); // Implicit cast
         System.out.println("Limit = " + c.getLimit()); // Implicit cast
       }
}