#include <iostream> using namespace std; class Point { public: Point() : x(0), y(0) { cout<<"Default Constructor called"<<endl; } Point(int x, int y) : x(x), y(y) { cout<< "Parameter Constructor called"<<endl; } ~Point() { cout<<"Destructor called"<<endl; } int getX() const { return x; } int getY() const { return y; } void move(int newX, int newY) { x = newX; y = newY; } private: int x, y; }; int main() { Point *ptr = new Point[5]; ptr[0].move(5, 10); ptr[1].move(15, 20); cout << "Deleting..." << endl; delete[] ptr; return 0; }
#include <iostream> using namespace std; class Point { public: Point() : x(0), y(0) { cout<<"Default Constructor called"<<endl; } Point(int x, int y) : x(x), y(y) { cout<< "Parameter Constructor called"<<endl; } ~Point() { cout<<"Destructor called"<<endl; } int getX() const { return x; } int getY() const { return y; } void move(int newX, int newY) { x = newX; y = newY; } private: int x, y; }; int main() { cout << "Step one: " << endl; Point *ptr1 = new Point; delete ptr1; cout << "Step two: " << endl; ptr1 = new Point(1,2); delete ptr1; return 0; }
原文链接: https://www.cnblogs.com/lyt888/p/12493331.html
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