function overloading.c ++
TRANSCRIPT
#include<iostream.h>
#include<conio.h>
#include<math.h>
#define pi 3.14
class shapes
{
float result;
public:
shapes()
{
result=0.0;
}
float area(float);
float area(float,float);
float area(float,float,float);
float volume(float);
float volume(float,float);
float volume(float,float,float);
};
float shapes::area(float r)
{
result=4*pi*pow(r,2);
return result;
}
float shapes::area(float r,float s)
{
result=pi*pow(r,2) +pi*(r*s);
return result;
}
float shapes::area(float l,float h,float w)
{
result=2*(l*h)+2*(l*w)+2*(w*h);
return result;
}
float shapes::volume(float r)
{
result=4/3*(pi*pow(r,3));
return result;
}
float shapes::volume(float r,float h)
{
result=(pi*pow(r,2)*h)*1/3;
return result;
}
float shapes::volume(float l,float h,float w)
{
result=l*h*w;
return result;
}
void main()
{
int ch;
char con;
float r,l,h,w,s;
shapes sh;
enum choice{sphere=1,cone,rectangular_solid};
choice c;
do
{
clrscr();
cout<<"\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n";
cout<<"\n\t\t@@@FUNCTION OVERLOADING@@@\n";
cout<<"\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n";
cout<<"\n\t1.Sphere\n\n\t2.Cone\n\n\t3.Rectangular Solid\n\n";
cout<<"\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n";
cout<<"\nEnter your choice:\t";
cin>>ch;
c=choice(ch);
switch(c)
{
case sphere:cout<<"\nEnter the radius:\t";
cin>>r;
cout<<"\nArea of sphere is:\t"<<sh.area(r);
cout<<"\n\nVolume of sphere:\t"<<sh.volume(r);
break;
case cone: cout<<"\nEnter the radius:\t";
cin>>r;
cout<<"\nEnter the height:\t";
cin>>h;
cout<<"\nEnter the side:\t";
cin>>s;
cout<<"\nArea of cone is:\t"<<sh.area(r,s);
cout<<"\n\nVolume of cone:\t"<<sh.volume(r,h);
break;
case rectangular_solid:cout<<"\nEnter the length:\t";
cin>>l;
cout<<"\nEnter the height:\t";
cin>>h;
cout<<"\nEnter the width:\t";
cin>>w;
cout<<"\nSurface area of rectangle is:\t"<<sh.area(l,h,w);
cout<<"\n\nVolume of rectangle:\t"<<sh.volume(l,h,w);
break;
default: cout<<"Invalid choice\n";
break;
}
cout<<"\n\nPress y to Continue:\t";
cin>>con;
}while(con=='y');
cout<<"\n \n......THANK YOU......\n";
getch();
}
OUTPUT:
@@@FUNCTION OVERLOADING@@@
1.Sphere
2.Cone
3.Rectangular Solid
*********************************
Enter your choice: 1
Enter the radius: 2.2
Area of sphere is: 60.790401
Volume of sphere: 33.434723
Press y to Continue: y
Enter your choice: 2
Enter the radius: 2.3
Enter the height: 2
Enter the side: 4
Area of cone is: 45.4986
Volume of cone: 11.073733
Press y to Continue: y
Enter your choice: 3
Enter the length: 2
Enter the height: 3
Enter the width: 4
Surface area of rectangle is: 52
Volume of rectangular solid: 24
Press y to Continue: n
