In Programming Exercise 9.7, the Account class was defined to model a bank account. An account has the properties account number, balance, annual interest rate, and date created, and methods to deposit and with- draw funds. Create two subclasses for checking and saving accounts. A checking account has an overdraft limit, but a savings account cannot be overdrawn.

import java.util.Date;

import java.text.DecimalFormat;

public class Account {

DecimalFormat df=new DecimalFormat("#.##");

protected int id = 0;

protected double balance = 0;

protected double annualInterestRate = 0;

protected Date dateCreated;

public Account(){

}

public Account(int id, double balance, double annualInterestRate){

this.id = id;

this.balance = balance;

this. annualInterestRate = annualInterestRate;

}

public int getId(){

return id;

}

public void setId(int id){

this.id = id;

}

public double getBalance(){

return balance;

}

public void setBalance(double balance){

this.balance = balance;

}

public double getAnnualInterestRate(){

return annualInterestRate;

}

public void setAnnualInterestRate(double annualInterestRate){

this.annualInterestRate = annualInterestRate;

}

public Date getDateCreated(){

dateCreated = new Date();

return dateCreated;

}

public double getMonthlyInterestRate(){

double annualInterest = annualInterestRate / 100;

return (annualInterest / 12);

}

public double getMonthlyInterest(){

return balance * getMonthlyInterestRate();

}

public void withdraw(double withdrawamount){

balance = balance - withdrawamount;

}

public void deposit(double amountdeposit){

balance = balance + amountdeposit;

}

public String toString() {

System.out.println("Acount ID: " + id);

System.out.println("Account Balance: $" + balance );

System.out.println("Monthly Interest: " + df.format(getMonthlyInterest()) + "%");

System.out.println("Date Opened: " + getDateCreated());

return "";

}

}