Point类 初识C++

#ifndef _HEAD_H_

#definde _HEAD_H_

class NameClass{

}; 冒号别忘记

#endif

::域名解析符      

返回值类型 类名：：方法名{.....}

 

Point.h

#ifndef _POINT_H_
#define  _POINT_H_
class Point{

public :

    Point();
    ~Point();
    int getX(){return x;};
    int getY(){return y;};
    Point(int , int );
private:
    void setX(int );
    void setY(int );
    int x;
    int y;
}; //不能落下分号;
#endif // _POINT_H_

Point.cpp

#include"Point.h"

#include <iostream>

using namespace std;


Point::Point(){};

Point::Point(int x, int y){
    this->x = x;

    this->y= y;

}

Point::~Point(){

    cout<<"Point Deconstructor"<<endl;

}

void Point::setX(int x){

    this->x  = x;

}
void Point::setY(int y){
    this->y = y;

}