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Headers and source file

gduong (26)
I am trying to learn how to use headers and source file. I have been reading this http://www.cplusplus.com/forum/articles/10627/. My error is:

Error 1 error LNK2019: unresolved external symbol "public: __thiscall Car::Car(void)" (??0Car@@QAE@XZ) referenced in function _main C:\Users\George\documents\visual studio 2013\Projects\Chapter13\Chapter13\main.obj Chapter13

also

Error 2 error LNK1120: 1 unresolved externals C:\Users\George\documents\visual studio 2013\Projects\Chapter13\Debug\Chapter13.exe 1 1 Chapter13

Car.h
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#ifndef _Car_
#define _Car_
using namespace std;
#include <string>


class Car
{
private:
	int yearModel, speed;
	string carMake;
public:
	int m_yearModel(){ return yearModel; }
	int m_speed(){ return speed; }
	string m_carMake(){ return carMake; }
	Car(int, string);
	Car();
	~Car();
};
#endif


Car.cpp
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#include "Car.h"
Car::Car(int year, string Make)
{
	yearModel = year;
	carMake = Make;
	speed = 0;
}

Car::~Car()
{
}


main.cpp
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#include <iostream>
#include "Car.h"
using namespace std;

int main()
{
	Car a;
	return 0;
}


thank you
coder777 (8439)
You did not implement the constructor on line 17 in Car.h
gduong (26)
WOW i am so bad. I fixed it and it works.
Thank you.
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