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  1.  
  2.     #include<iostream>
  3.     using namespace std;
  4.     class shape
  5.     {
  6.     public:
  7.         shape()
  8.         {
  9.             cout << "shape created" << endl;
  10.         }
  11.         virtual void  draw()=0;
  12.  
  13.  
  14.     };
  15.     class circle : public virtual shape
  16.     {
  17.     public:
  18.         circle()
  19.         {
  20.             cout << "circle created" << endl;
  21.         }
  22.         virtual void  draw()
  23.         {
  24.             cout << "this is a circle" << endl;
  25.         }
  26.     };
  27.     class square : public virtual shape
  28.     {
  29.     public:
  30.         square()
  31.         {
  32.             cout << "square created" << endl;
  33.         }
  34.         virtual void  draw()
  35.         {
  36.             cout << "this is a square" << endl;
  37.         }
  38.     };
  39.     class shapes : public  circle, public  square
  40.     {
  41.     public:
  42.         shapes()
  43.         {
  44.             cout << "shapes created" << endl;
  45.         }
  46.  
  47.         virtual void draw()
  48.         {
  49.         	circle::draw();
  50.         	square::draw();
  51.         }
  52.     };
  53.     int main()
  54.     {
  55.         shapes e;
  56.         cout << "-------------" << endl;
  57.         e.draw();
  58.         return 0;
  59.     }
Success #stdin #stdout 0s 3144KB
comments (?)
stdin 
Standard input is empty
stdout 
shape created
circle created
square created
shapes created
-------------
this is a circle
this is a square
https://ideone.com/lkIXIF
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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