In c++

animal.h file:

#ifndef ANIMAL_H

#define ANIMAL_H

#include

class animal {

protected:

std::string name ; // the animal's name

static int count;

int animalID ; // the animal's unique ID

int volume ; // the volume of the animal's body

public:

animal();

animal(std::string n, int v) ; // creates an animal with name n and body volume v.

// animals are allocated a unique ID on creation

void set_name(std::string n);

void set_volume(int v);

virtual std::string get_name() = 0;

int get_animalID();

int get_volume();

};

#endif

animal.cpp file:

#include "animal.h"

#include

int animal::count =1;

animal::animal(){

name ="?";

volume = 0;

}

animal::animal(std::string n, int v) {

name=n;

animalID=count;

count++;

volume=v;

}

void animal::set_name(std::string n){

name=n;

}

void animal::set_volume(int v){

volume=v;

}

// virtual std::string get_name() = 0;

int animal::get_animalID(){

return animalID;

}

int animal::get_volume(){

return volume;

}

4-2 Define and implement a class named sort by_name that has a single public static function but no constructors static void sort(animal **animals,int n) using their names // sorts the array of n animals into ascending order You may use your favourite sorting algorithm