Demonstrate inheriting a protected base class. : Inheritance « Class « C++

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C++ » Class » InheritanceScreenshots 
Demonstrate inheriting a protected base class.
Demonstrate inheriting a protected base class.



#include <iostream>
using namespace std;

class BaseClass {
  int i;
protected:
  int j;
public:
  int k;
  void setInt(int a) { 
     i = a; 
  }
  int getInt() { 
     return i; 
  }
};


class DerivedClass : protected BaseClass {  // Inherit BaseClass as protected.
public:
  void setj(int a) { 
     j = a; 
  } 
  void setk(int a) { 
     k = a; 
  } 
  int getj() { 
     return j; 
  }
  int getk() { 
     return k; 
  }
};

int main()
{
  DerivedClass ob;

  ob.setk(10);
  cout << ob.getk() << ' ';
  ob.setj(12);
  cout << ob.getj() << ' ';

  return 0;
}



           
       
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1. Public inheritancePublic inheritance
2. Three level public inherianceThree level public inheriance
3. A simple example of inheritance.A simple example of inheritance.
4. Share member variables between sub classShare member variables between sub class
5. Virtual functions retain virtual nature when inherited.Virtual functions retain virtual nature when inherited.
6. Inherit base as privateInherit base as private
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