c++day3(2023/12/28)
2024-01-03 12:10:02
#include <iostream>
#include<iomanip>
#include<cstring>
using namespace std;
class Person
{
int *age;
string &name;
public:
void showPerson();
Person(int age,string name):age(new int(age)),name(name)
{
cout << "Person有参构造调用了\n" << endl;
}
Person(const Person &other):age(new int(*(other.age))),name(other.name)
{
cout << "Person调用了拷贝构造函数" <<endl;
}
~Person()
{
delete age;
cout << "Person析构函数被调用了" << endl;
}
};
void Person::showPerson()
{
cout << "*age=" << *age << endl;
cout << "age=" << age << endl;
cout << "name=" << name << endl;
}
class Stu
{
double *score;
Person person;
public:
void showStu();
Stu(double score,int age,string name):score(new double(score)),person(age,name)
{
cout << "有参构造函数" <<endl;
}
Stu(const Stu &other):score(new double(*(other.score))),person(other.person)
{
cout << "Stu调用了拷贝构造函数" << endl;
}
~Stu()
{
delete score;
cout <<"Stu析构函数被调用了" <<endl;
}
};
void Stu::showStu()
{
cout << "*score=" << *score <<endl;
cout << "score=" << score <<endl;
person.showPerson();
}
int main()
{
cout << "--------有参构造函数---------" <<endl;
Stu stu(90,23,"刘亦菲");
stu.showStu();
cout << "---------拷贝构造函数 --------";
Stu stu2=stu;
stu2.showStu();
return 0;
}
文章来源:https://blog.csdn.net/weixin_45340901/article/details/135279287
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