c++构造函数

#include <iostream>using namespace std;class Point{    int x,y;public:    ***Point(int a,int b){}//:x(a),y(b){}// { x=a; y=b;}***void MovePoint( int a, int b){ x+=a; y+=b;this->x+=a;cout<<"this="<<this<<endl;}void print(){    cout<<"x="<<x<<" "<<this->x<<"y="<<y<<" "<<this->y<<endl;}};void main(){    Point point1( 10,10);    point1.MovePoint(2,2);    point1.print();}