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  1. #include <iostream>      // for cout and cin
  2. using namespace std;
  3.  
  4. class Cat                   // begin declaration of the class
  5. {
  6.   public:                    // begin public section
  7.     Cat(int initialAge);     // constructor
  8.     Cat(const Cat& copy_from); //copy constructor
  9.     Cat& operator=(const Cat& copy_from); //copy assignment
  10.     ~Cat();                  // destructor
  11.  
  12.     int GetAge() const;            // accessor function
  13.     void SetAge(int age);    // accessor function
  14.     void Meow();
  15.  private:                   // begin private section
  16.     int itsAge;              // member variable
  17.     char * string;
  18. };
  19.  
  20.  // constructor of Cat,
  21. Cat::Cat(int initialAge)
  22. {
  23.   this->itsAge = initialAge;
  24.   string = new char[10]();
  25. }
  26.  
  27. //copy constructor for making a new copy of a Cat
  28. Cat::Cat(const Cat& copy_from) {
  29.    this->itsAge = copy_from.itsAge;
  30.    this->string = new char[10]();
  31.    std::copy(copy_from.string+0, copy_from.string+10, string);
  32. }
  33.  
  34. //copy assignment for assigning a value from one Cat to another
  35. Cat& Cat::operator=(const Cat& copy_from) {
  36.    this->itsAge = copy_from.itsAge;
  37.    std::copy(copy_from.string+0, copy_from.string+10, string);
  38. }
  39.  
  40. Cat::~Cat()                 // destructor, just an example
  41. {
  42.     delete[] string;
  43. }
  44.  
  45. // GetAge, Public accessor function
  46. // returns value of itsAge member
  47. int Cat::GetAge() const
  48. {
  49.    return itsAge;
  50. }
  51.  
  52. // Definition of SetAge, public
  53. // accessor function
  54.  
  55.  void Cat::SetAge(int age)
  56. {
  57.    // set member variable its age to
  58.    // value passed in by parameter age
  59.    this->itsAge = age;
  60. }
  61.  
  62. // definition of Meow method
  63. // returns: void
  64. // parameters: None
  65. // action: Prints "meow" to screen
  66. void Cat::Meow()
  67. {
  68.    cout << "Meow.\n";
  69. }
  70.  
  71. // create a cat, set its age, have it
  72. // meow, tell us its age, then meow again.
  73. int main()
  74. {
  75.   int Age;
  76.   cout<<"How old is Frisky? ";
  77.   cin>>Age;
  78.   Cat Frisky(Age);
  79.   Frisky.Meow();
  80.   cout << "Frisky is a cat who is " ;
  81.   cout << Frisky.GetAge() << " years old.\n";
  82.   Frisky.Meow();
  83.   Age++;
  84.   Frisky.SetAge(Age);
  85.   cout << "Now Frisky is " ;
  86.   cout << Frisky.GetAge() << " years old.\n";
  87.   return 0;
  88. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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How old is Frisky? Meow.
Frisky is a cat who is 11101 years old.
Meow.
Now Frisky is 11102 years old.
https://ideone.com/tirwCb
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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