Bank Account Static Lab Programming Fundamentals PDF

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Summary

Solution to BankAccountStatic Lab from 2020 Autumn Session...

Description

/** * This "BankAccount" class is a simple introduction to * methods and variables / fields / private data members. * * @author Raymond Lister * @version April 2015; a "static" version for a Lab Test */

/* * HINT: You should NOT need to memorise much to complete *

this skeleton. The type of the variables

*

"accountNumber", "accountName" and "balance"

*

(i.e. int, String and double respectively)

*

provide useful information.

*/

public class BankAccountStatic { /* * The variables follow. These are also * called "fields? or ?private data members?. */

private static int accountNumber = 0;

private static String accountName = "no name";

private static double balance; // eg. 1.27 means $1.27

/**

* ... javadoc comment (if any) has been omitted from this skeleton ... */ public static int getAccountNumber() { return accountNumber; }

/** * ... javadoc comment (if any) has been omitted from this skeleton ... */ public static void setAccountNumber(int newAccountNumber) { accountNumber = newAccountNumber; }

/** * ... javadoc comment (if any) has been omitted from this skeleton ... */ public static String getAccountName() { return accountName; }

/** * ... javadoc comment (if any) has been omitted from this skeleton ... */ public static void setAccountName(String newName) {

accountName = newName; }

/** * ... javadoc comment (if any) has been omitted from this skeleton ... */ public static double getBalance() { return balance; }

/** * ... javadoc comment (if any) has been omitted from this skeleton ... */ public static void deposit(double amount) { balance = balance + amount; }

/** * @param amount To be subtracted from the balance * * @return the updated account balance or -1.0 if the withdrawal is refused * * The withdrawal is refused when the withdrawal would * have resulted in a negative balance. * * Note: This method "withdraw" has been provided in

*

its entirety. You do NOT have to make any

*

changes to it.

*/ public static double withdraw(double amount) { if ( balance >= amount ) { balance = balance - amount; return balance; } else return -1.0; }

} // class BankAccountStatic...