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Assignment 2 Week 4 ENTD 461

Instructions:

Object Oriented Programming

You are going to enhance the application by creating two main classes

1- Create a class for the math (“+”,”-“) operations — name the class “MathOp”
2- Extend the class using inheritance to include (“*”,”/”) name the class “MathOp2”
3- Create the following class/function
when select a line from the list box, the user should be able to modify the values/operations and save it to the listbox/database Let’s say the user clicked on “1+3=4”, the values 1,3 should be displayed in the input text boxes.

Submission Instructions:

Develop an Object-Oriented documentation that include the following

1- List of all classes and their purposes
2- Relationship between classes
3- Data dictionary for each class, method and the return type of each method
4- Optionally you can develop an UML (Unified Modeling Language) using any of these tools: – MS Word, Visio, or UML toolkit

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