[Dev-C++] Header Files

[<ric...@ya...>]

Hi.

I'd be grateful if someone could write a few lines to
help me understand header files.

I know that #include is used to read source code from
a file into the current file, and that MyClass.h holds
the declaration of a class whereas MyClass.cpp holds
the definition of the class. The MyClass.cpp file has
a #include "MyClass.h" so that it reads in the class
declaration.

I'm a bit confused as to why, in any examples I see, a
main.cpp file uses #include "MyClass.h": shouldn't the
main.cpp file require both the class declaration and
its definition?

Many thanks.

Richard

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