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笔记

见我的博客：https://lingjun.life/wiki/EmbeddedNote/19Cpp

作业

设计一个Per类，类中包含私有成员:姓名、年龄、指针成员身高、体重，再设计一个Stu类，类中包含私有成员:成绩、Per类对象p1，设计这两个类的构造函数、析构函数和拷贝构造函数。

#include <iostream>using namespace std;class Per
{
private:string name;unsigned int age;float *height;float *weight;public:// 构造函数Per(string n, unsigned int a, float h, float w) : name(n), age(a), height(new float(h)), weight(new float(w)){cout << "Per::有参构造函数" << endl;}// 析构函数~Per(){delete height;delete weight;cout << "Per::析构函数" << endl;}// 拷贝构造函数Per(const Per &other) : name(other.name), age(other.age), height(new float(*(other.height))), weight(new float(*(other.weight))){cout << "Per::拷贝构造函数" << endl;}
};class Stu
{
private:int score;Per p1;public:// 有参构造函数Stu(int score, string n, unsigned int a, float h, float w) : score(score), p1(n, a, h, w){cout << "Stu::有参构造函数" << endl;}// 析构函数~Stu(){cout << "Stu::析构函数" << endl;}// 拷贝构造函数Stu(const Stu &other) : score(other.score), p1(other.p1){cout << "Stu::拷贝构造函数" << endl;}
};int main()
{Stu s1(99, "张三", 18, 170, 60);Stu s2 = s1;return 0;
}

结果：