Compiling simple Hello World program on OS X via command line


g++ hw.cpp

g++ is the C++ compiler frontend to GCC.
gcc is the C compiler frontend to GCC.

Yes, Xcode is definitely an option. It is a GUI IDE that is built on-top of GCC.

Though I prefer a slightly more verbose approach:

#include <iostream>

int main()
    std::cout << "Hello world!" << std::endl;

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