摘要：
CodeCode highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->#include class CFruit{public: virtual void What() = 0;};class CApple : public CFruit{public: ... 阅读全文
摘要：
# include using namespace std; #define WINDOWSclass Widget {public: virtual void draw() = 0;};class MotifButton : public Widget {public: void draw() { cout create_button(), facto... 阅读全文
摘要：
# include using namespace std;#define MOTIFclass Widget {public: virtual void draw() = 0;};class MotifButton : public Widget {public: void draw() { cout draw(); w[1]->draw();}void display_window_... 阅读全文