test7.txt

思路很清晰的c++课件。例子很简明

class Line{
private:
   int x1,y1,x2,y2;
public:
   Line()
   {
      x1=px1;  y1=py1;
      x2=px2;  y2=py2;
   }
   void ShowLine()
   {
      cout<<'('<<x1<<','<<y1<<")---("<<x2<<','<<y2<<")\n";
   }
};