c++的各种例子，例如继承，重载，容器，迭代子，vector，多态，模版，虚函数，友元，指针，作用于等等，超级多的例子，每个例子都是用中文标识，对学习c++的朋友很有帮助。-Various examples of c++, such as inheritance, overloading, containers, iterators, vector, polymorphism, templates, virtual functions, friend, pointer, acting, etc.