shapeapp.cpp

来自「c++书籍的源代码」· C++ 代码 · 共 15 行

//Shapeapp.cpp
#include<iostream.h>
#include"Xcircle.h"
#include"8_7.h"
int main()
{
 Point s1;
 Line s2;
 Square s3;
 Circle s4;
 Shape *p[4]={&s1,&s2,&s3,&s4};
 for(int i=0;i<4;i++)
  p[i]->Draw(); 
 return(0);
}