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

What are the toughest topics in C language?
1. pointer 2. dynamic memory allocation 3. File handling
Lokayya
0 0
5
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
Which are the best books to learn C?
Yashavant Kanetkar
Kratika
What is Enum?
A Java Enum is a special Java type used to define collections of constants. More precisely, a Java enum type is a special kind of Java class. An enum can contain constants, methods etc. Java enums were added in Java 5.
S

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

Ask a Question

Related Lessons

Difference Of Inheritance In C++ And Java
In Java , multiple inheritance is not applicable directly but we can implement the concept by using the interfaces. In c++ and Java, the common types of inheritances are: Single Multi level Hybrid Hierarchical

Lets learn why OOPS is popular?
1. Supports reusability- It means that once a class is designed it works just like a template which can be inherited. 2. Provides better management- It means that abstract classes and interfaces guide...
R

Predict the Output of C Questions based on Recursion and Macro
#include<stdio.h>void k(unsigned int i,unsigned int j){ static char x="0123456789ABCDEF"; if(i>=j) k(i/j,j); putchar(x);}void main(){ k(20,12);} ___________________________________________ ...

How are C And C++ Different Form Each Other
1.C and C++ both have data types operator and conditional looping control statements. But the difference is that C++ has to object-oriented concepts which C programs do not have. Hence C program is like...

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...

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