This homework assignment gives you the opportunity to practice inheritance, pure virtual member functions, abstract base classes, and exceptions.

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

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1.14 HW11

This homework assignment gives you the opportunity to practice inheritance, pure virtual member functions, abstract base classes, and exceptions.

HW11 (100 points)

Design an abstract base class named BasicShape that has a private member variable:

• double area

a public exception class:

• NegativeValue

and the following public member functions:

• getArea() accessor to area

• setArea(area_) mutator for area

• calcArea() pure virtual member function that returns a double

Design a class named Circle derived from BasicShape that has the following private member variables:

• double centerX;

• double centerY;

• double radius;

and the following public member functions:

• Constructor Circle(centerX_, centerY_, radius_) that takes the arguments and sets the member The area

should be set by calling calcArea then setArea. The constructor must throw the NegativeValue exception if any of the argument values is negative

• Overridden calcArea(), which returns the area calculated as 14159* radius * radius

Attachments:

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