4-1對象指針
? 定義一個類：
class Coordinate{
public:
int m_iX;
int m_iY;
};
? 實例化一個對象：
Coordinate *p = new Coordinate;
`在堆區分配內存：`
對象指針.png
// 訪問對象指針
int main(){
Coordinate *p = new Coordinate;
p->m_iX = 10; // (*p).m_iX = 10;
p->m_iY = 20; // (*p).m_iY = 20;
delete p;
p = NULL;
return 0;
}
