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  1. #include <iostream>
  2. #include <string>
  3.  
  4.  
  5. class Animal {
  6. 	public:
  7.     	Animal() 
  8.     		{  //std::cout << "tworze obiekt klasy Animal\n";
  9.        		age = 0;
  10. 		ilosc++;	}
  11.  
  12. 	~Animal() {
  13. 	ilosc--; }
  14.  
  15.     	int getAge() {
  16.       		return age;   }
  17.  
  18.    	virtual void sound() { 
  19.      		std::cout << "zwierzeta wydaja rozne glosy... " << std::endl; }
  20.         static int ile() { return ilosc; }
  21.  
  22. 	protected:
  23.     	int age;
  24.     	std::string name;
  25.  
  26. 	private:
  27. 	static int ilosc;
  28. };
  29.  
  30. int Animal::ilosc = 2;
  31.  
  32. class Lion : public Animal
  33. {
  34. 	public:
  35. 	Lion(int age) { std::cout<< "tworze obiekt klasy Lion\n";
  36. 	this->age = age; } 
  37.  
  38. 	void sound() {
  39. 	std::cout << "Lew robi mrau!\n"; }
  40. };
  41.  
  42. class Pet : public Animal {
  43. 	public:
  44.     	Pet() {
  45.       		std::cout << "tworze obiekt klasy Pet" << std::endl;
  46.       		name = "";   }
  47.  
  48. 	void sound() {
  49. 		std::cout << "Pecik mowi kizia mizia\n"; }	
  50. 	std::string getName() {
  51.       		return name; }
  52.  
  53. 	protected:
  54.     	std::string name;
  55. };
  56.  
  57.  
  58.  
  59. class Dog : public Animal {
  60.  
  61. 	public:
  62. 	Dog(int age, std::string name) { std::cout << "tworze obiekt klasy Dog\n";
  63. 		this->age = age; 
  64. 		this->name = name; }
  65.  
  66. 	int getHumanAge() {
  67. 		int x;
  68. 		x =  this->getAge() *4;
  69. 		return x;	}
  70.  
  71. 	void sound() {
  72.         	std::cout << "Pies robi hau hau!\n"; }
  73.  
  74. 	protected:
  75. 	std::string name;
  76. };
  77.  
  78.  
  79. int main() {
  80.  
  81.    std::cout << "ilosc animalsow na moment obecny to: " << Animal::ile << std::endl; 
  82.  
  83.    Animal *animal = new Pet();
  84.  
  85.    std::cout << "a teraz zwierzakow jest: " << Animal::ile << std::endl; 
  86.    Animal *toska = new Dog(12, "toska");
  87.  
  88.    std::cout << "a teraz zwierzakow jest: " << Animal::ile << std::endl; 
  89.  
  90.    Animal *marchewka = new Lion(6); 
  91.  
  92.    std::cout << "a teraz zwierzakow jest: " << Animal::ile << std::endl; 
  93.  
  94.  
  95.   return 0;
  96. }
  97.  
Success #stdin #stdout 0s 15232KB
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Standard input is empty
stdout
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ilosc animalsow na moment obecny to: 1
tworze obiekt klasy Pet
a teraz zwierzakow jest: 1
tworze obiekt klasy Dog
a teraz zwierzakow jest: 1
tworze obiekt klasy Lion
a teraz zwierzakow jest: 1
https://ideone.com/KCH0pv
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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