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Difference between function and method

Difference between function and method

22 Dec 2023
Intermediate
13.6K Views
1 min read

In programming langauages we have two concepts functions and methods. functions are defined in structural language and methods are defined in object oriented langauge. The difference between both is given below :

Functions

  1. Functions have independent existence means they can be defined outside of the class. Ex:- main() function in C, C++ Language

  2. Functions are defined in structured languages like Pascal, C and object-based language like javaScript

  3. Functions are called independently.

  4. Functions are a self-describing unit of code.

 //function main in C
void main()
{
 int a,b,c;
 a=5;
 b=6;
 c=a+b;
 printf("Sum is : %d",c);
} 

Methods

  1. Methods do not have independent existence they are always defined within a class. Ex:- main() method in C# Language that is defined within a class

  2. Methods are defined in object-oriented languages like C#, Java

  3. Methods are called using instance or object.

  4. Methods are used to a manipulate the instance variable of a class.

 //method sum in C#
class demo
{
int a,b,c;
public void sum()
{
 a=5;
 b=6;
 c=a+b;
 Console.WriteLine("Sum is : {0}",c);
 }
} 
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Summary

In this article, I try to explain the difference between method and function. I hope after reading this article you will be able to understand the difference between method and function. I would like to have feedback from my blog readers. Please post your feedback, question, or comments about this article.

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About Author
Shailendra Chauhan (Microsoft MVP, Founder & CEO at Scholarhat by DotNetTricks)

Shailendra Chauhan is the Founder and CEO at ScholarHat by DotNetTricks which is a brand when it comes to e-Learning. He provides training and consultation over an array of technologies like Cloud, .NET, Angular, React, Node, Microservices, Containers and Mobile Apps development. He has been awarded Microsoft MVP 8th time in a row (2016-2023). He has changed many lives with his writings and unique training programs. He has a number of most sought-after books to his name which has helped job aspirants in cracking tough interviews with ease.
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