Using a .h and .cpp file, implement a Sphere class with the following data field

Question

Using a .h and .cpp file, implement a Sphere class with the following data fields and methods.

Constant

Use the following value for PI = 3.14159

Data

radius: double

color: string

MethodsSphere() - default constructor

should set the radius to one and color to green

Sphere(double r) - custom constructor

sets the radius to r and color to green

Sphere(double r, string c) - custom constructor

sets the radius to r and color to c

void setRadius( double)

mutator method used to change the radius

double getRadius() const

constant function that return the radius

void setColor(string)

mutator method to set the color of the Sphere

string getColor() const

constant accessor method that return the color of the Sphere

double area() const

constant function that returns the surface area of the Sphere

double volume() const

constant function that returns the volume of the Sphere

bool isEqual(const Sphere other) const

constant boolean function that return TRUE is two Spheres have the same radius and color, FALSE otherwise.

Explanation / Answer

#include "header.h"
#include <iostream>
#define pi 3.14159
using namespace std;

class Sphere
{
private :
double radius;
string color;
public:

Sphere()
{
radius=1;
color="green";
}
Sphere(double r)
{
radius=r;
}
Sphere(double r,string c)
{
radius=r;color=c;

}
void setRadius(double r)
{
radius=r;
}
double getRadius() const
{
return radius;

}
void setColor(string c)
{
color=c;
}
string getColor() const
{
return color;
}
bool isEqual(const Sphere one,const Sphere two) const
{
if(one.radius==two.radius && one.color==two.color)
return true;
else
return false;
}
double area(double r) const
{
return (4*pi*r*r);
}

double volume(double r) const
{
return (4/3*pi*r*r*r);
}

};
int main()
{
Sphere s;

cout << " Radius :" <<s.getRadius();
cout << " Color :" << s.getColor();
cout << " Surface area :" << s.area(s.getRadius());
cout << " Volume :" << s.volume(s.getRadius());
Sphere s1=2;
Sphere s2=1;
cout << " ";
s2.setColor("green");
s1.setColor("red");
cout << " Radius :" <<s1.getRadius();
cout << " Color :" << s1.getColor();
cout << " Surface area :" << s1.area(s1.getRadius());
cout << " Volume :" << s1.volume(s1.getRadius());

cout << " s and s2 Objects are :"<<s.isEqual(s2,s) << " ";
return 0;
}

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