【设计模式】0.UML类图

UML类图中的关系

继承

class Animal
{略
}
class Bird : public Animal
{略
}

关联

class RealSubject : public ISubject
{略
}
class Poxy : public ISubject
{略private:RealSubject rs; // 类成员
}

依赖

class Animal
{public:void action(Oxygen oxygen, Water water){}
}

组合

class Bird
{public:Bird() { wing = new Wing(); }private:Wing* wing;
}

聚合

class  BirdVec;;
class BirdQun
{private:vector<Bird> BirdVec;
}