Summary

This app is modularized to ensure its scalable and easy to work with in a team

User Class

A class containing all the data related to the user

Account Class

A class containing all the data related to the account Each user should be associated with at least one Account The Account has a reference to the following:

• The currency stored in the current Account
• Account number
• Account balance

Currency Class

This class keeps tracks of different currencies,

• Different currencies stored in an array
• Exchange rates