"Undefined Reference to"

[9GEqko23]

I know this seems like a repetitive question but I just started writing some code until I came across this error, any reason why?
Error:

main.cpp:(.text+0x38): undefined reference to `Championship<Player, 11>::Championship(int, char const*)' 

main.cpp:

 #include <iostream>
#include "classes.h"
#include <stdlib.h>

using namespace std;

int main(int argc, char *argv[])
{
	Championship<Player, 11> ppChmp(atoi(argv[1]), "ping-pong");
	return 0;
}

classes.h:

#ifndef CLASSES_H
#define CLASSES_H

template<class T, int maxScore>
class Championship
{
	public:
		Championship(int, const char*); //Passes through game type and number of games
	private:
		char *compType;
		T *t; //Teams or Players
};
#endif 

Championship.cpp:

#include <iostream>
#include "classes.h"

using namespace std;

template<class T, int maxScore>
Championship<T, maxScore>::Championship(int s, const char* name)
{
	//Code Here
}

[coder777]

A template class is ignored until it is used with its template parameter (line 9 in main.cpp). At that point the compiler sees only the declarations within classes.h and not the definitions in Championship.cpp. Therefore the templated defintions won't be include in the compiler process.

[codewalker]

linker is expecting

Championship<Player, 11>::Championship(int s, const char* name)
{
	//Code Here
}

(assuming you have defined Player someplace and linking Championship.cpp with main.cpp)

else

template<class T, class U>
class Championship
{
public:

	Championship(int, const char*); //Passes through game type and number of games
private:
	char *compType;
	T *t; //Teams or Players
};

and

Championship<Player, int>::Championship(int s, const char* name)
{
	//Code Here
}

and

Championship<Player, int> ppChmp(atoi(argv[1]), "ping-pong");