In this program the user can work with an application that manages bank accounts
This program has several classes: Bank.java BankAccount.java BankApp.java InsufficientFundsException.java
The program reads information from the txt file that presents several bank accounts information. Each bank can have uttermost 5 different bank accounts which store users' acccount number and the amount of money
In the bank app, user can interact with his or her account by creating new Account, depositing, withdrawn, and print the account information