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I'm thinking that the reason why I keep getting error messages during compile time is because I don't know how to compile programs that deal with classes. Let's say filename.h is where I create the class, filename.cpp is the member functions definitions, and filename.cc is the main program; how do I compile this. Normally I compile programs by writing CC filename.cc, but since this program deals with classes I don't know how to compile it.
You have to call the linker.
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Then be sure to include Myclass.h in Main.cpp using the preprocessor direction #include "Myclass.h", to use troll_king's example.
Yes, make sure the extension is .CPP or the compiler will most likely think you are only compiling a C program. It will spit out all kinds of ugly errors. Classes are not allowed in C so the compiler is not expecting to encounter any. I had the same problem when I started using classes.
as another cautionary note... watch out for unresolved externals... if you have your class in a seperate object file, the source object file that implements that class must have knowledge of the declaration... i also had problems with this when i first dealt with seperately compiled object files...