Please help me with the Java code that need to be written.

Write the program code and turn in the source file of the program into D2L Programming Assignment 2 Drop Box. (E-commerce) When shopping online, you select items and add them to a shopping cart. Duplicate items are permitted in a shopping cart, as you can purchase multiples of the same item. You also can remove an item from a shopping cart, if you change your mind about buying it. The shopping cart can show its current contents with their prices and the total cost of these items. 1. Design the ADTs item and shopping cart. Specify each ADT operation by stating its purpose, by describing its parameters, and by writing a pseudocode version of its header. Then write a Java interface for an item's methods and one for the methods of a shopping cart. Include javadoc -style comments in your code. 2. Draw a UML class diagram for MyShop class that implements one of the interfaces. 3. Write an implementation class for the UML class diagram you draw for b. Use "MyShop" class name. Your program will be graded based of the followings: 70% Compiles and runs correctly 20% Method's specification & Design 10 % Package and project structure Himas Page 70% Compiles and runs correctly Method's specification 20% & Design 10% Package and project structure What to turn in: 1. Use eclipse or the IDE of your choice and create a maven project called PA2! 2. Add a package called saintpaul.edu.pa2 to your project, src folder. 3. Add all your classes and interfaces to the saintpaul.edu.pa2 package. 4. Generate a Zip file of your PA2 assignment and that is what you need to upload to Programming Assignment 2 drop box