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  1. #include <iostream>
  2. #include <string>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. class Car
  7. {
  8. private:
  9.     string plateNumber;
  10.     string model;
  11.     double dailyRate;
  12.     int daysRented;
  13.  
  14. public:
  15.     // ---------------- Static Members ----------------
  16.     static int activeCars;
  17.     static const int MAX_DAYS = 30;
  18.  
  19.     // ---------------- Constructors and Destructor ----------------
  20.  
  21.     // Default constructor
  22.     Car()
  23.     {
  24.         plateNumber = "NONE";
  25.         model = "UNKNOWN";
  26.         dailyRate = 0.0;
  27.         daysRented = 0;
  28.  
  29.         activeCars++;
  30.     }
  31.  
  32.     // Parameterized constructor
  33.     Car(string plate, string mod, double rate, int days)
  34.     {
  35.         plateNumber = plate;
  36.         model = mod;
  37.         dailyRate = rate;
  38.  
  39.         if (days > MAX_DAYS)
  40.             daysRented = MAX_DAYS;
  41.         else
  42.             daysRented = days;
  43.  
  44.         activeCars++;
  45.     }
  46.  
  47.     // Destructor
  48.     ~Car()
  49.     {
  50.         cout << "Car " << plateNumber << " removed from system." << endl;
  51.         activeCars--;
  52.     }
  53.  
  54.     // ---------------- Operator Overloading ----------------
  55.     bool operator==(const Car& other) const
  56.     {
  57.         return plateNumber == other.plateNumber;
  58.     }
  59.  
  60.     // ---------------- Member Functions ----------------
  61.     void Print() const
  62.     {
  63.         cout << fixed << setprecision(2);
  64.         cout << "Plate: " << plateNumber
  65.              << " | Model: " << model
  66.              << " | Rate: $" << dailyRate
  67.              << " | Days Rented: " << daysRented << endl;
  68.     }
  69.  
  70.     static int GetActiveCars()
  71.     {
  72.         return activeCars;
  73.     }
  74.  
  75.     string GetPlate() const
  76.     {
  77.         return plateNumber;
  78.     }
  79. };
  80.  
  81. // Initialize static variable
  82. int Car::activeCars = 0;
  83.  
  84.  
  85. int main()
  86. {
  87.     cout << "\n********* Creating an array of Car objects *********" << endl;
  88.  
  89.     // Array of 5 Car objects
  90.     Car cars[5] = {
  91.         Car("TX123", "Toyota Corolla", 45.99, 10),
  92.         Car("AR777", "Honda Civic", 40.50, 5),
  93.         Car("OK999", "Ford Focus", 38.25, 31), // capped at MAX_DAYS
  94.         Car("MO555", "Nissan Altima", 50.00, 20),
  95.         Car("TX123", "Toyota Camry", 55.00, 7) // same plate as first
  96.     };
  97.  
  98.     cout << "\nActive cars: " << Car::GetActiveCars() << endl;
  99.  
  100.     cout << "\n********* Displaying all cars *********" << endl;
  101.     for (int i = 0; i < 5; i++)
  102.         cars[i].Print();
  103.  
  104.     cout << "\n********* Operator Overloading *********" << endl;
  105.     if (cars[0] == cars[4])
  106.         cout << "Cars " << cars[0].GetPlate() << " and " << cars[4].GetPlate()
  107.              << " are the SAME vehicle." << endl;
  108.     else
  109.         cout << "Cars have different plate numbers." << endl;
  110.  
  111.     cout << "\nActive cars: " << Car::GetActiveCars() << endl;
  112.  
  113.     cout << "********* End of program *********" << endl;
  114.  
  115.     return 0;
  116. }
  117.  
  118.  
  119.  
Success #stdin #stdout 0s 5324KB
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stdout
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********* Creating an array of Car objects *********

Active cars: 5

********* Displaying all cars *********
Plate: TX123 | Model: Toyota Corolla | Rate: $45.99 | Days Rented: 10
Plate: AR777 | Model: Honda Civic | Rate: $40.50 | Days Rented: 5
Plate: OK999 | Model: Ford Focus | Rate: $38.25 | Days Rented: 30
Plate: MO555 | Model: Nissan Altima | Rate: $50.00 | Days Rented: 20
Plate: TX123 | Model: Toyota Camry | Rate: $55.00 | Days Rented: 7

********* Operator Overloading *********
Cars TX123 and TX123 are the SAME vehicle.

Active cars: 5
********* End of program *********
Car TX123 removed from system.
Car MO555 removed from system.
Car OK999 removed from system.
Car AR777 removed from system.
Car TX123 removed from system.
https://ideone.com/yqCb7l
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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