1: Define an abstract base class called BasicShape. The BasicShape class should

Question

1:   

Define an abstract base class called BasicShape. The BasicShape class should

have the following members:

a) Protected Member Variable: area (a double used to hold the shape’s area).

b) Private Member Variable: name (a string to indicate the shape’s type)

c) Constructor and Public Member Functions:

BasicShape(double a, string n): A constructor that sets value of member area

with a and member name with n.

calcArea(): This public function should be a pure virtual function.

print(): A public virtual function that only prints the value of data member area

getName():A public function that returns the value of data member name

Explanation / Answer

Here is the code for you:

#include <iostream>
using namespace std;
class BasicShape
{
//a) Protected Member Variable: area (a double used to hold the shape’s area).
protected:
double area;
//b) Private Member Variable: name (a string to indicate the shape’s type)
private:
string name;
public:
//BasicShape(double a, string n): A constructor that sets value of member area with a and member name with n.
BasicShape(double a, string n)
{
area = a;
name = n;
}
//calcArea(): This public function should be a pure virtual function.
virtual void calcArea() = 0;
//print(): A public virtual function that only prints the value of data member area.
virtual void print()
{
cout<<"Area: "<<area<<endl;
}
//getName():A public function that returns the value of data member name.
string getName()
{
return name;
}
};

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