For below programming code requirement, pick your own problem from given topics. Topic should comprise of mini system that interacts with users. Topic examples:Government (Country, State so that some attributes are governed at base class level, citizens of country and state, employees)Banking system (checking, savings accounts, types of customers, fees)Student grading systemShopping Cart (add item departments, Multiple Shipping address, Multiple Shipping Methods)EZ pass toll collection and payment siteLibrary book/user account systemProgramming code requirement：1. Show your requirements as high-level flowcharts. 2. Create UML document to represent your idea. You can also include word file or pdf to explain what you are trying to do in simple words. 3. Inheritance 2 level hierarchy using subclass, superclass concepts like, person, employee, manager4. InterfaceAt least one interface that can be extended later like5. Polymorphism Method overloadingMethod overridingConstructor overloadingConstructor overriding6. Object oriented programming concepts
Proper testing methodsUse of Static methodsUse of Array/ArrayListUse of LoopsData ValidationsTry/Catch Block for exception handling7. Program should run as submitted