EXPERIMENT 4:Program to Understand Operator Overloading Concept in C++

EXP: write a program in c++  to Add to Complex no using operator overloading.

 

#include<iostream>

#include<string.h>

using namespace std;

class complex

{     int real,img;

public:

input()

{

cout<<“\nEnter Real part:-“;

cin>>real;

cout<<“Enter imaginary part:-“;

cin>>img;

}

display()

{cout<<endl<<real<<“+”<<img<<“i”;

}

complex operator-(complex t)

{

complex temp;

temp.real=real+t.real;

temp.img=img+t.img;

return temp;

}

};

 

int main()

{

complex n1,n2,n3;

n1.input();

n2.input();

n1.display();

n2.display();

cout<<“\n—–“;

n3=n1-n2;

n3.display();

return 0;

}

OUTPUT:  Enter Real part  5
Enter Imaginary part  2
Enter Real part  7
Enter Imaginary part  3
5+2i
7+3i
12+5i.

EXPERIMENT 5. Program to Understand  Function  Overloading Concept in C++.

Function overloading:Function overloading is a concept in oops.Defining multiple function with same name  is known as function overloading.
EXP: write a program to find area circle and rectangle using functuion over loading.
#include<iostream>
using namespaces  std;
AREA( int x,int y)     // function defination
{ int area;    //local variable
area=x*y;
cout<<”\n Area of rectangle=”<<area;
}
AREA(int x)    //function defination
{ float area;
area=3.14*x*x;
cout<<”Area of circle=”<<area;}
int main()
{   int r,l,b,area;
cout<<”\nEnter length and breath of rectangle”;
cin>>l>>b;
cout<<”\nEnter  radius of circle“ ;
cin>>r;
AREA(l,b); // fun call
AREA(r);     //fun call
return  0;}

OUTPUT: Enter length and breath of rectangle
5
8
Enter  radius of circle
7
Area of Rectangle=40
Area of Circle=153.86