FUNCTION OVERLOADING

AIM:
         To implement a C++ program to calculate the area of circle, rectangle and triangle using function overloading.

ALGORITHM:

Step 1:  Include the header files

Step 2:  Declare the class name as fn with data members and member functions.

Step 3:  Read the choice from the user.

Step 4:  Choice=1 then go to the step 5.

Step 5:  The function area() to find area of circle with one integer argument.

Step 6:  Choice=2 then go to the step 7.

Step 7:  The function area() to find area of rectangle with two integer argument.

Step 8:  Choice=3 then go to the step 9.

Step 9:  The function area() to find area of triangle with three arguments, two as Integer and one as float.

Step 10: Choice=4 then exit

PROGRAM:

#include<iostream.h>

#include<stdlib.h>

#include<conio.h>

#define pi 3.14

class fn

{

      public:

        void area(int);  //circle

        void area(int,int);  //rectangle

        void area(float ,int,int);  //triangle

};

void fn::area(int a)

{

cout<<"Area of Circle:"<<pi*a*a;

}

void fn::area(int a,int b)

{

      cout<<"Area of rectangle:"<<a*b;

}

void fn::area(float t,int a,int b)

{

      cout<<"Area of triangle:"<<t*a*b;

}

 void main()

{

     int ch;

     int a,b,r;

     clrscr();

     fn obj;

     cout<<"\n\t\tFunction Overloading";

     cout<<"\n1.Area of Circle\n2.Area of Rectangle\n3.Area of Triangle\n4.Exit\n:”;

     cout<<”Enter your Choice:";

     cin>>ch;

     switch(ch)

     {

              case 1:

                cout<<"Enter Radious of the Circle:";

                cin>>r;

                obj.area(r);

                break;

              case 2:

                cout<<"Enter Sides of the Rectangle:";

 cin>>a>>b;

                obj.area(a,b);

                break;

              case 3:

                cout<<"Enter Sides of the Triangle:";

                cin>>a>>b;

                obj.area(0.5,a,b);

                break;

              case 4:

                exit(0);

     }

getch();

}

SAMPLE OUTPUT:

              Function Overloading

              1. Area of Circle

              2. Area of Rectangle

              3. Area of Triangle

              4. Exit

              Enter Your Choice: 2

              Enter the Sides of the Rectangle: 5 5

             

              Area of Rectangle is: 25

              1. Area of Circle

              2. Area of Rectangle

              3. Area of Triangle

              4. Exit

              Enter Your Choice: 4

RESULT:

                Thus a C++ program to calculate the area of circle, rectangle and triangle using function overloading is implemented successfully.