fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. class BaseClass{
  6. public:
  7.     int x;
  8. public:
  9.     BaseClass(){x = 0;}
  10.  
  11.     virtual istream& fromSerial(istream& stream){ return stream >> x; }
  12.     virtual void print(){
  13.      cout << "BaseClass::x = " <<  x << endl;
  14.     }
  15.     virtual ~BaseClass(){}
  16. };
  17.  
  18. class SubClass1: public BaseClass{
  19. public:
  20.     int y;
  21. public:
  22.     SubClass1(){y = 0;}
  23.  
  24.    virtual istream& fromSerial(istream& stream){            
  25.             BaseClass::fromSerial(stream); //read baseclass first
  26.             return stream >> y;
  27.     }
  28.     virtual void print(){ 
  29.      BaseClass::print();
  30.      cout << "SubClass1::y = " << y << endl;
  31.     }
  32. };
  33.  
  34. BaseClass* createNewClass(BaseClass * temp)
  35. {
  36.     cout << "Input 2 values: ";
  37.     temp->fromSerial(cin);
  38.     return temp;
  39. }
  40.  
  41. int main()
  42. {
  43.     vector<BaseClass*> db;
  44.     db.push_back(createNewClass(new SubClass1));
  45.  
  46.  
  47.     cout << "\nPrinting Data: " << endl;
  48.     db[0]->print();
  49. }
Success #stdin #stdout 0s 2824KB
comments (?)
stdin
copy 
1 2
stdout
copy 
Input 2 values: 
Printing Data: 
BaseClass::x = 1
SubClass1::y = 2
https://ideone.com/WGwj8l
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!