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CheckingAccount |
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1 // joi/5/bank/CheckingAccount.java 2 // 3 // 4 // Copyright 2003 Bill Campbell and Ethan Bolker 5 6 /** 7 * A CheckingAccount is a BankAccount with one new feature: 8 * the ability to cash a check by calling the honorCheck method. 9 * Each honored check costs the customer a checkFee. 10 * 11 * @version 5 12 */ 13 14 public class CheckingAccount extends BankAccount 15 { 16 private static int checkFee = 2; // pretty steep for each check 17 18 /** 19 * Constructs a CheckingAccount with the given 20 * initial balance and issuing Bank. 21 * Counts as this account's first transaction. 22 * 23 * @param initialBalance the opening balance for this account. 24 * @param issuingBank the bank that issued this account. 25 */ 26 27 public CheckingAccount( int initialBalance, Bank issuingBank ) 28 { 29 super( initialBalance, issuingBank ); 30 } 31 32 /** 33 * Honor a check: 34 * Charge the account the appropriate fee 35 * and withdraw the amount. 36 * 37 * @param amount amount (in whole dollars) to be withdrawn. 38 * @return the amount withdrawn. 39 */ 40 41 public int honorCheck( int amount ) 42 { 43 incrementBalance( - checkFee ); 44 return withdraw( amount ); 45 } 46 47 /** 48 * Action to take when a new month starts. 49 */ 50 51 public void newMonth() 52 { 53 } 54 } 55
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CheckingAccount |
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