上海交通大学交大密西根 联合学院·一 UM-SJTU Joint Institute University of Michigan Shanghal Jiao Tong University Constructors of GwindowsT class GwindowsT:public ConsoleT protected: double width,height; /size of a window object string title; /title of a window object string color; /color of a window object public: static PenT pen; /pen of the window class static MouseT mouse; /mouse of the window class GwindowsTO; I∥GwindowsT window; GwindowsT const double width,const double height,string color "White",string title ="") ∥GwindowsT window(12.0,6.0,“Red",“Bouncing Ball"); ∥GwindowsT window(12.0,6.0,“Red"); /∥GwindowsT window(12.0,6.0)；Constructors of Constructors of GwindowsT GwindowsT class GwindowsT: public ConsoleT { protected: double width, height; // size of a window object string title; // title of a window object string color; // color of a window object public: static PenT pen; // pen of the window class static MouseT mouse; // mouse of the window class GwindowsT (); // GwindowsT window; GwindowsT ( const double width, const double height, string color = "White", string title = ""); // GwindowsT window (12.0, 6.0, “Red”, “Bouncing Ball”); // GwindowsT window (12.0, 6.0, “Red”); // GwindowsT window (12.0, 6.0);