noname00.cpp

来自「c compiler with added projects...」· C++ 代码 · 共 34 行

#include<constream.h>
class base{
  protected:
  int b;
  public:
  base(int x){b=x;cout<<"base";}
  void show()
  {cout<<"val of base is :-"<<b;}
};

class der:public base
{
int der;
public:
der(int a):base(a),der(a){}
void show(){
for(int i=1;i<10;i+=2)
cout<<b * der<<endl ;}
};

void main()
{
clrscr();
base *b = new base(10);
b->show();
b = new der(10);
b->show();
getch();
}