Regarding C++ Include another class

Question

I have two files:

File1.cpp
File2.cpp

File1 is my main class which has the main method, File2.cpp has a class call ClassTwo and I want to c

Answer 1

you need to forward declare the name of the class if you don't want a header:

class ClassTwo;

Important: This only works in some cases, see Als's answer for more information..