What is the significance of the main() function in C++?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

C language Faculty (online Classes )

The main function serves as the starting point for program execution. It usually controls program execution by directing the calls to other functions in the program
Comments

Experienced Computer trainer having worked in IT sector for 20 years.

The main function is an integral part of the programming languages such as C, C++, and Java. The main function in C is the entry point of a program where the execution of a program starts. It is a user-defined function that is mandatory for the execution of a program because when a C program is executed,...
read more
The main function is an integral part of the programming languages such as C, C++, and Java. The main function in C is the entry point of a program where the execution of a program starts. It is a user-defined function that is mandatory for the execution of a program because when a C program is executed, the operating system starts executing the statements in the main() function. Syntax of C main() Function return_type main() { // Statement 1; // Statement 2; // and so on.. return; } We can write the main function in many ways in C language as follows: int main(){} or int main(void){} main(){} or void main(){} or main(void){} or void main(void){} read less
Comments

Related Questions

Describe about private access specifier?
Private keyword, means that no one can access the class members declared private outside that class. By default class variables and member functions are private.
Prasad
1 1
8
Are C Programmers currently in demand?
Ofcourse, C is alwasy in demand. In the beginning a lot of the big project developed in C language. Now a days, there are a lot of language in market and speciallity is growing in IT field. For a big organization...
Harsha
How do I perform multiplication in C++?
Multiplication in C++ is as simple as using the * operator. It's a fundamental arithmetic operation, familiar to most developers even with minimal experience in the language. The basic concept involves...
Venkataramanaiah
0 0
5
Explain about protected internal access specifier?
protected access specifier is used in inheritance. Base class members are made accessible to its sub classes through protected access specifier. This access specifier works with in inheritance.
Sahiba
0 0
7
What is called 'nested loops' in C++?
These are those loops in which one loop executes inside another loop. For example for loop for(int i=1,i=10,i++) { for(int j=1, j<=i,j++) { } } the second loop is the nested for loop.
Harikrishnan

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Do You Know Size Of Empty Class and Reason?
Size of empty class is always 1 byte. Reason is, in order to differentiate one object to another object, the size of empty class is always 1 byte. See the below c++ code snippet. Here there are three...

Polymorphism and Virtual Functions
Polymorphism and Virtual Functions Compile Time Polymorphism or Early Binding or Static Binding An object is bound to its function call at compile time. Implemented using overloaded functions and...

Is It Fine To Write “void main()” Or “main()” In C/C++?
The definition: void main() { /* ... */ } Is not and never has been C++, nor has it even been C. See the ISO C++ standard 3.6.1 or the ISO C standard 5.1.2.2.1. A conforming...

Definite book guides for C++
This post attempts to collect the few pearls among the dozens of bad C++ books. Unlike many other programming languages, which are often picked up on the go from tutorials found on the internet, only...

Tress And Its Traversal
Depth First Traversals:(a) Inorder (Left, Root, Right) : 4 2 5 1 3(b) Preorder (Root, Left, Right) : 1 2 4 5 3(c) Postorder (Left, Right, Root) : 4 5 2 3 1 Trees are one of the data structures like...

Recommended Articles

Introduction C++ is an excellent programming language and many of the applications are written in C++ language. It has generic, object-oriented & imperative programming features, and also provides facilities for low-level memory manipulation. Successor of C language, it is an OOP (object oriented programming) language...

Read full article >

Software Development has been one of the most popular career trends since years. The reason behind this is the fact that software are being used almost everywhere today.  In all of our lives, from the morning’s alarm clock to the coffee maker, car, mobile phone, computer, ATM and in almost everything we use in our daily...

Read full article >

Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...

Read full article >

Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...

Read full article >

Looking for C++ Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you