成长记

摘要： DescriptionsOver the past several years JavaScript has undergone a remarkable transformation. It is now one of the most important programming languages in the world. With the ongoing importance of Ajax-based development and the rise of full-featured JavaScript libraries, most of the stigma around Ja 阅读全文

摘要： class Shape{public:virtual void display(){cout<<"shape"<<endl;}};class Circle:public Shape{public:void display(){cout<<"circle"<<endl;}};class Rect:public Shape{public:void display(){cout<<"rect"<<endl;}};void main(){Shape a;Circle b; 阅读全文