Operator overloading allows the same operator to behave differently depending on the operands. It allows performing different operations on the same operands, making code more readable and allowing easy access to objects to perform operations. An example demonstrates overloading the decrement operator (--) in a class to decrement an integer count and displaying the result. Function overloading uses a single function name to perform different tasks based on parameters. An example overloads the area function to calculate the area of a circle, square, and rectangle depending on parameters passed.

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OPERATOR OVERLOADING

3. Disclaimer: This presentation is prepared by trainees of
baabtra as a part of mentoring program. This is not official
document of baabtra –Mentoring Partner
Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd

4. WHAT IS OPERATOR???
An operator is a symbol that
tells the compiler to perform
specific mathematical or logical
manipulations. Some operators
are….
• Arithmetical operators
• Logical operators
• Relational operators

5. OVERLOADING
More than one definition for
a function name or
an operator in the same scope,
which is called overloading.
• Function overloading
• Operator overloading

6. Operator overloading
The process of making an
operator to exhibit
different behaviours in
different instances is
known as operator
overloading.
Syntax:-
operator([parameters]) { Statements }
operator([parameters])
{
Statements
}

7. Benefits…..
• Perform different operations
on the same operands.
• It makes code much more
readable.
• Easily access the objects to
perform any operations .

8. Example
#include <iostream>
using namespace std;
class temp
{
private:
int count;
public:
temp()
{
count=25;
}
void operator --()
{
count--;
}
void Display()
{
cout<<"Count: "<<count;
}
};
main()
{
temp t;
--t;
t.Display();
}
OUTPUT
Count:24

9. Function overloading
Using a single function name to
perform different types of
tasks is known as function
overloading.

10. Example:
#include<iostream>
using namespace std;
class shape
{
public:
float area(double a)
{
float circle_area;
circle_area=3.14*(a*a);
return circle_area;
}
int area(int a)
{
int squire_area;
squire_area=a*a;
return squire_area;
}
int area(int a,int b)
{
int rectangle_area;
rectangle_area=a*b;
return rectangle_area;
}
};
main()
{
double circlee;
int squiree,rectanglee;
shape object;
cout<<"Area of Circle:";
circlee=object.area(5.00);
cout<<circlee;
cout<<"nArea of squire:";
squiree=object.area(4);
cout<<squiree;
cout<<"nArea of rectangle:";
rectanglee=object.area(5,6);
cout<<rectanglee;
}
Output:
Area of Circle:78.5
Area of squire:16
Area of rectangle:30

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