玉溪企业网站建设公司,营销网站建设评估与分析,做网站怎么选取关键词,会展中心网站平台建设方案定义一个Person类#xff0c;私有成员int age#xff0c;string name#xff0c;定义一个Stu类#xff0c;包含私有成员double *score#xff0c;写出两个类的构造函数、析构函数、拷贝构造和拷贝赋值函数#xff0c;完成对Person的运算符重载(算术运算符、条件运算…定义一个Person类私有成员int agestring name定义一个Stu类包含私有成员double *score写出两个类的构造函数、析构函数、拷贝构造和拷贝赋值函数完成对Person的运算符重载(算术运算符、条件运算符、逻辑运算符、自增自减运算符、插入/提取运算符) //主程序
#includestuper.h
int main()
{coutboolalphaendl;string namelisi;//Person p;Person p1(23,18,name);//自动调用有参构造p1.show();Person p2p1;//自动调用拷贝构造函数p2.show();Person p3(p2);//自动调用拷贝构造函数p3.show();Person q1(10,20,name);Person q2(6,15,name);Person q3q1q2;q3.show1();//插入运算符重载coutp1:p1endl;if(q1q2){coutq1q2endl;}q1q2;q2.show();q1.show();Person p5;cinp5;coutp5:p5endl;coutendl;Stu s1;//自动调用无参构造Stu s2(88);//自动调用有参构造s2.show();Stu s3s2;//自动调用拷贝构造函数s3.show();Stu s4(s3);//自动调用拷贝构造函数s4.show();s1s2;s1.show();return 0;
} //头文件
#ifndef STUPER_H
#define STUPER_H
#include iostream
using namespace std;
class Person;
const Person operator(Person O,int);
ostream operator(ostream cout, const Person p);
istream operator(istream cin, Person p);class Person
{friend istream operator(istream cin, Person p);friend const Person operator(Person O,int);friend ostream operator(ostream cout, const Person p);
private:int age;int age1;string ndf;string namen;
public://无参构造Person(){coutPerson无参构造endl;}//有参构造Person(int age,int age1,string name):age(age),age1(age1),name(name){coutPerson有参构造endl;}//析构函数~Person(){cout Person::析构函数 endl;}//拷贝构造函数Person(const Person other):age(other.age),age1(other.age1),name(other.name){cout Person::拷贝构造函数 endl;}//拷贝赋值函数Person operator(const Person other){if(this ! other) //避免自己赋值给自己{age other.age; //深拷贝age1other.age1;nameother.name;}cout 拷贝赋值函数 endl;return *this;}//输出void show(){coutageage age1age1 namenameendl;}void show1(){coutageage age1age1endl;}//Person的运算符重载//算术运算符//成员函数实现号运算符重载const Person operator(const Person R) const{Person temp;temp.age this-age R.age;temp.age1 this-age1 R.age1;return temp;}
//局部函数实现号运算符重载bool operator( const Person R)const{if(age R.age age1 R.age1){return true;}else{return false;}}};
//class Stu
{
private:double *score;
public://无参构造Stu(){coutStu无参构造endl;}//有参构造Stu(double score):score(new double(score)){coutStu有参构造endl;}//析构函数~Stu(){cout Stu::析构函数 endl;delete score;}//拷贝构造函数Stu(const Stu other):score(new double(*(other.score))){cout Stu::拷贝构造函数 endl;}//拷贝赋值函数Stu operator(const Stu other){if(this ! other) //避免自己赋值给自己{score new double(*(other.score)); //深拷贝}cout 拷贝赋值函数 endl;return *this;}void show(){coutscore*scoreendl;}
};
#endif // STUPER_H//函数体
#include stuper.h//全局函数实现前置运算符重载const Person operator(Person O,int){Person temp;temp.ageO.age;temp.age1O.age1;return temp;}//全局函数实现插入运算符重载ostream operator(ostream cout, const Person p){cout age p.age age1 p.age1name p.name;return cout;}//全局函数实现提取运算符重载istream operator(istream cin, Person p){cin p.age p.age1p.name;return cin;}
