Undefined reference while including header in C?

So here's what you did wrong. In class. Cpp you recreate a new Trida class rather than implement the one you've created in class.h.

Your class. Cpp should look more like this.

So here's what you did wrong. In class. Cpp you recreate a new Trida class rather than implement the one you've created in class.h.

Your class. Cpp should look more like this: #include #include "class. H" using namespace std; Trida::Trida(int n) { this->a = n; } void Trida::fce() { cout a.

Wow that was fast. Problem is simpler than I thought. Thank you very much :-) – Gwynbleidd Jan 8 at 5:28.

You are defining class trida two times (in the header file class. H and in the source file class. Cpp) Your class.

Cpp file should be like #include #include "class. H" //include "class. H" using namespace std; Trida::Trida(int n):a(n) //Initialization list { } void Trida::fce() { cout a.

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