For this problem you are to join the following classes into a hierarchy (use the UML diagrams from Module 2 to get started) Shape - Superclass Triangle Subclass Rectangle - Subclass All three of these subclasses should have methods called calculate Perimeter() and calculateArea() that return a double value. If the sub classes are shown on the same level, then they share a parent class. If the super class was not included in module 2, then it should only contain attributes or functionality that are contained in all 3 subclasses. Circle - Subclass

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career. 

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is: