In java

A purchase ordering system for buying cookies online that fills these parameters

• Functionalities:
• Multi-tier Users - There must be at least three different types of user accounts each different functionality access.

One is customer, another can be premium customer can get different types of cookies also, and the last one is owner.

• Basic mathematic manipulation of the fields of an entity object.
• User login with passwords and logout.
  • Passwords may not be stored in their raw form in the database. They must be encrypted somehow.
• Validation for invalid inputs.
• Logging of user interactions with the application.