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  1. #include <iostream>
  2.  
  3. class Ball 
  4. {
  5.     public: 
  6.         Ball();
  7.         ~Ball();
  8.         int get_number();
  9.         void set_number(int number);
  10.     protected:
  11.     private: 
  12.         int number;
  13. };
  14.  
  15. Ball::Ball()
  16. {
  17.     this->number = 1;
  18. }
  19.  
  20. Ball::~Ball()
  21. {
  22.     std::cout << "Goodbye, World!" << std::endl;
  23. }
  24.  
  25. int Ball::get_number()
  26. {
  27.     return this->number;
  28. }
  29.  
  30. void Ball::set_number(int number)
  31. {
  32.     this->number = number;
  33. }
  34.  
  35. int main()
  36. {
  37.     Ball ball1, ball2;
  38.     ball1.set_number(100000);
  39.     ball2.set_number(0);
  40.     std::cout << ball1.get_number() << std::endl;
  41.     std::cout << ball2.get_number() << std::endl;
  42.     std::swap(ball1, ball2);
  43.     std::cout << ball1.get_number() << std::endl;
  44.     std::cout << ball2.get_number() << std::endl;
  45.     return 0;
  46. }
Success #stdin #stdout 0.01s 2724KB
comments (?)
stdin
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Standard input is empty
stdout
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100000
0
Goodbye, World!
0
100000
Goodbye, World!
Goodbye, World!
https://ideone.com/JzRRO
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
public

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