assn6

Class BankAccount

java.lang.Object

assn6.BankAccount

 class BankAccount
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private static double	annualInterestRate
private double	balance
private Date	dateCreated
private int	id

Constructor Summary

Constructors

Constructor and Description
BankAccount() default constructor: id is initialized 0 balance is initialized 1000.0
BankAccount(int newId, double newBalance) constructor that creates an account with the specified id and initial balance

Method Summary

Methods

Modifier and Type	Method and Description
void	deposit(double amount) Precondition: amount must be positive Postcondition: balance is updated (balance + amount)
static double	getAnnualInterestRate() accessor method for the static variable annualInterestRate
double	getBalance() accessor method for balance
Date	getDateCreated() accessor method for dateCreated
int	getId() accessor method for id
double	getMonthlyInterest() calculate monthly interest: balance * annualInterestRate / 1200.0
static void	setAnnualInterestRate(double newAnnualInterestRate) mutator method for annualInterestRate
void	setBalance(double newBalance) mutator method for balance
void	setId(int newId) mutator method for id
void	withdraw(double amount) Precondition: amount must be positive and less than the balance Postcondition: balance is updated (balance - amount)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

id

private int id

balance

private double balance

annualInterestRate

private static double annualInterestRate

dateCreated

private Date dateCreated

Constructor Detail

BankAccount

public BankAccount()

default constructor: id is initialized 0 balance is initialized 1000.0

BankAccount

public BankAccount(int newId,
           double newBalance)

constructor that creates an account with the specified id and initial balance

Parameters:

newId -

newBalance -

Method Detail

getId

public int getId()

accessor method for id

Returns:

id

getBalance

public double getBalance()

accessor method for balance

Returns:

balance

getAnnualInterestRate

public static double getAnnualInterestRate()

accessor method for the static variable annualInterestRate

Returns:

annualInterestRate

setId

public void setId(int newId)

mutator method for id

Parameters:

newId -

setBalance

public void setBalance(double newBalance)

mutator method for balance

Parameters:

newBalance -

setAnnualInterestRate

public static void setAnnualInterestRate(double newAnnualInterestRate)

mutator method for annualInterestRate

Parameters:

newAnnualInterestRate -

getMonthlyInterest

public double getMonthlyInterest()

calculate monthly interest: balance * annualInterestRate / 1200.0

Returns:

monthly interest

getDateCreated

public Date getDateCreated()

accessor method for dateCreated

Returns:

dateCreated

withdraw

public void withdraw(double amount)

Precondition: amount must be positive and less than the balance Postcondition: balance is updated (balance - amount)

Parameters:

amount -

deposit

public void deposit(double amount)

Precondition: amount must be positive Postcondition: balance is updated (balance + amount)

Parameters:

amount -