C++ new动态创建对象

#include "iostream"
#include "string"
using namespace std;

class Point
{
public:
Point():x(0), y(0)
{
cout<<"Default constructor called."<<endl;
cout<<x<<" "<<y<<endl;
}
private:
int x, y;

};
int main()
{
Point *ptr1=new Point[10];                                                                ;
delete[] ptr1;
}