对象之间的关系

依赖关系

#include<iostream>
using namespace std;
class Student
{
public:
	void test(book& book);
	void test1(computer& com);
};
class book
{

};
class computer
{

};

关联关系

#include<iostream>
using namespace std;
class Teacher{};
class course
{
	string name;
	Teacher cou;
};

聚合关系

#include<iostream>
using namespace std;
class body{};
class eye{};
class people
{
	body b;
	eye e;
};