练习43

#include <iostream>
using namespace std;


class Object {
private:
int weight;
public:
Object() {
cout << "构造Object对象" << endl;
weight = 0;
}
int getWeight() {
return weight;
}
void setWeight(int n) {
weight = n;
}
~Object() {
cout << "析构Object对象" << endl;
}
};


class Box: public Object {
private:
int height, width;
public:
Box() {
cout << "构造Box对象" << endl;
height = width = 0;
}
int getHeight() {
return height;
}
void setHeight(int n) {
height = n;
}
int getWidth() {
return width;
}
void setWidth(int n) {
width = n;
}
~Box() {
cout << "析构Box对象" << endl;
}
};


int main() {
Box a;
return 0;
}