Multiple Virtual Functions Called in Turn : virtual function « Class « C++

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C++ » Class » virtual functionScreenshots 
Multiple Virtual Functions Called in Turn
  
#include <iostream>
using namespace std;

class Mammal
{
  public:
     Mammal():itsAge(1) {  }
     virtual ~Mammal() { }
     virtual void Speak() const cout << "Mammal speak!\n"}

  protected:
     int itsAge;
};

class Dog : public Mammal
{
  public:
    void Speak()const cout << "Woof!\n"}
};

class Cat : public Mammal
{
  public:
    void Speak()const cout << "Meow!\n"}
};


class Horse : public Mammal
{
  public:
    void Speak()const cout << "Winnie!\n"}
};

class Pig : public Mammal
{
  public:
    void Speak()const cout << "Oink!\n"}
};

int main()
{
   Mammal* theArray[5];
   Mammal* ptr;

   ptr = new Dog;
   theArray[0= ptr;
   ptr = new Cat;
   theArray[1= ptr;
   ptr = new Horse;
   theArray[2= ptr;
   ptr = new Pig;
   theArray[3= ptr;
   ptr = new Mammal;
   theArray[4= ptr;
   
   for (int i=0;i<5;i++)
      theArray[i]->Speak();
   return 0;
}
  
    
  
Related examples in the same category
1.virtual function from base and derived classes
2.Virtual function and two subclasses
3.Abstract classes by virtual function with no body
4.Override non-virtual function
5.Implementing Pure Virtual Functions
6.Illustration of the Use of Virtual Inheritance
7.Using Virtual Methods
8.Virtual Copy Constructor
9.virtual functions accessed from pointer
10.virtual functions with person class
11.Call parent virtual function
12.Using Virtual Functions to control the behaviour
13.Pure Virtual Functions as a prototype
14.Virtual Functions Are Hierarchical
15.Virtual function in three level inheritance
16.The Virtual Attribute Is Inherited
17.Virtual Functions and Polymorphism
18.A base class reference is used to access a virtual function
19.Virtual base classes.
20.virtual members
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