13. Pure Abstract Base Class Project Define a pure abstract base class called Ba
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Question
13. Pure Abstract Base Class Project
Define a pure abstract base class called BasicShape. The BasicShape class should have the following members:
Private Member Variable:
area, a double used to hold the shape s area.
Public Member Functions:
getArea. This function should return the value in the member variable area.
calcArea. This function should be a pure virtual function.
Next, define a class named Circle. It should be derived from the BasicShape class. It should have the following members:
Private Member Variables:
centerX, a long integer used to hold the x coordinate of the circle s center.
centerY, a long integer used to hold the y coordinate of the circle s center.
radius, a double used to hold the circle s radius.
Public Member Functions:
constructor accepts values for centerX, centerY, and radius. Should call the overridden calcArea function described below.
getCenterX returns the value in centerX.
getCenterY returns the value in centerY.
calcArea calculates the area of the circle (area = 3.14159 * radius * radius) and stores the result in the inherited member area.
Next, define a class named Rectangle. It should be derived from the BasicShape class. It should have the following members:
Private Member Variables:
idth, a long integer used to hold the width of the rectangle.
length, a long integer used to hold the length of the rectangle.
Public Member Functions:
constructor accepts values for width and length. Should call the overridden calcArea function described below.
getWidth--returns the value in width
getLength--returns the value in length.
calcArea--calculates the area of the rectangle (area = length * width) and stores
the result in the inherited member area.
After you have created these classes, create a driver program that de nes a Circle object and a Rectangle object. Demonstrate that each object properly calculates and reports its area.
Turn in the following files:
a8main.cpp
program compile and run screenshots
design document
Circle.h
Rectangle.h
Explanation / Answer
Hi below i have written the sample code for your reference :)
001 #include <iostream>Related Questions
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