C-programming - Test c plus plus cpp on linux, How to write a c plus plus program

Test c plus plus cpp on linux

Install C++ / gcc compiler on LINUX

  # yum install gcc gcc-c++ autoconf automake 

To write or execute a C++ program on linux follow the steps given below.

g++ is the compiler the have to be used for executing C++ program.

You must use .cpp file extension rather than a .c one

# vi first.cpp

#include <iostream>
int main()
{
 std::cout << "Welcome to W3calculator" << std::endl;
 return 0;
}

Compile the c++ program as shown below

 # g++ first.cpp -o first

The above command will create the executable first

# ls -al

-rwxrwxr-x   1 info info 6058 Jul 24 22:55 first
-rw-rw-r--   1 info info  100 Jul 24 22:52 first.cpp

Output:

#  ./first 
Welcome to W3calculator

Just run the executable ./first which will give the output.

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