C++走向远洋——45（警察和厨师、UML）

*/
 * Copyright (c) 2016，烟台大学计算机与控制工程学院
 * All rights reserved.
 * 文件名：text.cpp
 * 作者：常轩
 * 微信公众号：Worldhello
 * 完成日期：2016年5月8日
 * 版本号：V1.0
 * 问题描述：根据类图，写出程序
 * 程序输入：无
 * 程序输出：见运行结果
 */
#include <iostream>
using namespace std;
class Person
{

public:
    Person(int, string);
    void action();
    string getName()
    {
        return name;
    }
private:
    int age;
    string name;
};
Person::Person(int a, string n):age(a), name(n) {}
void Person::action()
{
    cout<<name<<" do some action"<<endl;
}
class Police: public Person
{
public:
    Police(int, string, int);
    void arrest(Person);
private:
    int level; //级别
};
Police::Police(int a, string n, int l):Person(a,n),level(l) {}
void Police::arrest(Person p)
{
    cout<<" Police "<<getName()<<" arrest " <<p.getName()<<endl;
}
class Cook: public Person
{
public:
    Cook(int, string, double);
    void getCake(int);
private:
    double salary; //薪水
};
Cook::Cook(int a, string n, double s):Person(a,n),salary(s) {}
void Cook::getCake(int n)
{
    cout<<" Cook "<<getName()<<" gave me " <<n<<" cakes."<<endl;
}

int main()
{
    Person tom(110,"li");
    Police jack(20,"Yang",2);
    Cook john(22,"Sun",4000);
    jack.arrest(li);
    john.getCake(4);
    return 0;
}

（2）

#include <iostream>
using namespace std;
class Person
{

public:
    Person(int, string);
    void action();
    string getName()
    {
        return name;
    }
private:
    int age;
    string name;
};
Person::Person(int a, string n):age(a), name(n) {}
void Person::action()
{
    cout<<name<<" do some action"<<endl;
}
class Police: public Person
{
public:
    Police(int a, string n, int l, int la, string ln);
    void arrest(Person);
    void show();
private:
    int level; 
    Person leader;  
};
Police::Police(int a, string n, int l, int la, string ln):Person(a,n),level(l),leader(la,ln) {}
void Police::arrest(Person p)
{
    cout<<"Police "<<getName()<<" arrest " <<p.getName()<<endl;
}
void Police::show()
{
    cout<<"Police "<<getName()<<", leader is " <<leader.getName()<<endl;
}

class Cook: public Person
{
public:
    Cook(int a, string n, double s,int pa, string pn, int pl, int pla, string pln);
    void getCake(int);
    void show();
private:
    double salary; 
    Police protector;  
};
Cook::Cook(int a, string n, double s,int pa, string pn, int pl, int pla, string pln):
    Person(a,n),salary(s),protector(pa,pn,pl,pla,pln) {}
void Cook::getCake(int n)
{
    cout<<"Cook "<<getName()<<" gave me " <<n<<" cakes."<<endl;
}
void Cook::show()
{
    cout<<"Cook "<<getName()<<" is protected by Police "<<protector.getName()<<endl;
}

int main()
{
    Person tom(120,"Tom");
    Police jack(30,"Jack",2,43,"Jerry");
    Cook john(24,"John",5000,30,"Jack",2,43,"Jerry");
    jack.show();
    john.show();
    return 0;
}