The prescriptions provided below direct you how to implement the codes in the two classes Bank and Account.

Account class:

$1.$ Implement the deposit method to make a deposit of the amount passed and update the balance. The method signature $($or declaration$)$ is given as: @Override public void deposit$($double amount$)\{//$ TODO Auto$-$generated method stub $\}$

$2.$ Implement the withdraw method to make a withdrawal of the amount passed from the account and update the balance. The method signature $($or declaration$)$ is given below as: @Override public void withdraw$($double amount$)\{//$ TODO Auto$-$generated method stub $\}$

$3.$ Implement the showBalance method to just print out and display the balance in the account. The method signature $($or declaration$)$ is given below as: @Override public void showBalance$()\{//$ TODO Auto$-$generated method stub $\}$

$4.$ Implement the retrieveBalance method to return the balance currently active in the account. The method signature $($or declaration$)$ is given below as: @Override public double retrieveBalace$()\{//$ TODO Auto$-$generated method stub return $0$; $\}$

$5.$ Implement the applyInterest method to calculate the interest on the balance based on the interest rate and then update the balance with the interest. Note: any interest awarded is added to the balance. The method signature $($or declaration$)$ is given below as: @Override public void applyInterest$()\{//$ TODO Auto$-$generated method stub $\}$

$6.$ After you have completed the implementation of the class Account, shift your focus to the methods in Bank class.

Bank class:

$1.$ The addAccount method is already implemented for you, therefore, you don$$t have to do anything to this method. The method declaration and its body or definition is shown below. @Override public void addAccount$($Account account$)\{//$ TODO Auto$-$generated method stub acctList.add$($account$)$; $\}$

$2.$ Implement the removeAccount method to remove an account from the account list of the system. The account passed and the account in the system list must have some matching accomplished before removing the matched account. This has to be done through account number as matching criteria.

The List data structure removes data based on the index of the item. The method signature $($or declaration$)$ is given below as: @Override public void removeAccount$($Account account$)\{//$ TODO Auto$-$generated method stub $\}$

$3.$ Implement the showAccounts method which displays all the accounts from the system list in more preferable and presentable format. The printout should show the list of account details with opened Date, residential address and even account type. The method signature $($or declaration$)$ is: @Override public void showAccounts$()\{//$ TODO Auto$-$generated method stub $\}$

$4.$ Implement the showAccountDetails method which searches for a particular account by account number as criteria from the system list, then once found, prints out the list of account details with opened Date, residential address and even account type. The method signature $($or declaration$)$ is: @Override public void showAccountDetails$($int accountNumber$)\{//$ TODO Auto$-$generated method stub $\}$

$5.$ Implement the searchAccount method which searches for a particular account by account number as criteria from the system list, then once found, the method returns the account. If the account is not found, then the method returns null as the last option, otherwise, the method will crash. The method signature $($or declaration$)$ is:

@Override public Account searchAccount$($int accountNumber$)\{//$ TODO Auto$-$generated method stub return null; $\}$

$6.$ Implement the retrieveAccountList method which returns the system list of accounts to retrieve accounts data at application level. This method should not return any null pointer. The method signature $($or declaration$)$ is: @Override public List retrieveAccountList$()\{//$ TODO Auto$-$generated method stub return null; $\}$

$7.$ Implement the LoadAccountList method which uses the list of accounts passed through the parameter, to populate the current classes system list by adding each account of parameter to the system list. The method signature $($or declaration$)$ is:

$//$ method to be used to load bank account data from Databank public void LoadAccountList$($List accountList$)\{\}$