Statement

Create a basic bank account management application that allows a user to perform deposit, withdraw, balance checks and transfer transactions on accounts. The application must also be able to create, delete and find accounts. Each account has an owner, account number, balance and type $($saving or checking$).$ The creation and modification dates of account are also recorded. Each account owner has a name, address, gender, date of birth, national identification number.

The application must also be able to do the following $-$

Calculate the total in across all savings accounts.

Calculate the total in across all checking accounts.

Calculate the total in across all accounts.

Rules

Functional programming concepts must be used throughout the implementation.

No function must be created using the grammar $-[$access$-$modifier$][$return$-$type$]$ method$-$name throws $[$exception$-$list$]\{$

$//$ method body

$\},$ for operations directly stated in the problem statement.

Before withdrawing or transferring money, the source account must be checked for sufficient funds.

Reductive reason must be applied to decompose the functionality of the application and its implementation.