הורשה - הרחבה

public class Dog : Mammal
{
    protected string breed;

    public Dog(string name, int age, string breed) : base(name, age)
    {
        this.breed = breed;
    }

    public void Bark() => Console.WriteLine($"{this} is barking: Woof!");
}

public class Human : Mammal
{
    private Dog[] dogs;

    public Human(string name, int age) : base(name, age)
    {
        dogs = new Dog[5];
    }

    public Dog[] GetDogs() => dogs;
    public void ServeCat() => Console.WriteLine($"{this} is serving the cat");
}

public class Cat : Mammal
{
    protected Human[] controlledHumans;

    public Cat(string name, int age) : base(name, age)
    {
        controlledHumans = new Human[10];
    }

    public Human[] GetControlledHumans() => controlledHumans;
    public void Meow() => Console.WriteLine($"{this} says: Meow!");
}

public class PersianCat : Cat
{
    private string furLength;

    public PersianCat(string name, int age, string furLength) : base(name, age)
    {
        this.furLength = furLength;
    }
}

public class GoldenRetriever : Dog
{
    private string coatColor;

    public GoldenRetriever(string name, int age, string coatColor)
        : base(name, age, "Golden Retriever")
    {
        this.coatColor = coatColor;
    }

    public void Fetch() => Console.WriteLine($"{this} is fetching the ball!");
}

public class Vehicle
{
    private string manufacturer;
    private int year;
    
    public Vehicle(string manufacturer, int year)
    {
        this.manufacturer = manufacturer;
        this.year = year;
        Console.WriteLine($"1. Vehicle constructor: {manufacturer}, {year}");
    }
    
    public string GetManufacturer() { return manufacturer; }
    public void SetManufacturer(string manufacturer) 
    { 
        this.manufacturer = manufacturer; 
    }
    
    public int GetYear() { return year; }
    public void SetYear(int year) 
    { 
        if (year > 1900 && year <= DateTime.Now.Year)
            this.year = year; 
    }
}

public class Car : Vehicle
{
    private int numberOfDoors;
    private string model;
    
    // בנאי עם קריאה לבנאי האב
    public Car(string manufacturer, string model, int year, int doors) 
        : base(manufacturer, year)
    {
        this.model = model;
        this.numberOfDoors = doors;
        Console.WriteLine($"2. Car constructor: {model}, {doors} doors");
    }
    
    // בנאי נוסף עם קריאה לבנאי אחר באותה מחלקה
    public Car(string manufacturer, string model) 
        : this(manufacturer, model, DateTime.Now.Year, 4)
    {
        Console.WriteLine("3. Car convenience constructor");
    }
    
    public string GetModel() { return model; }
    public void SetModel(string model) { this.model = model; }
    
    public int GetNumberOfDoors() { return numberOfDoors; }
    public void SetNumberOfDoors(int doors) 
    { 
        if (doors > 0 && doors <= 6)
            this.numberOfDoors = doors; 
    }
}

public class SportsCar : Car
{
    private int topSpeed;
    
    public SportsCar(string manufacturer, string model, int year, int topSpeed)
        : base(manufacturer, model, year, 2)  // מכונית ספורט - תמיד 2 דלתות
    {
        this.topSpeed = topSpeed;
        Console.WriteLine($"3. SportsCar constructor: Top speed {topSpeed} km/h");
    }
    
    public int GetTopSpeed() { return topSpeed; }
    public void SetTopSpeed(int speed) 
    { 
        if (speed > 0 && speed < 400)
            this.topSpeed = speed; 
    }
}

class Program
{
    static void Main()
    {
        Console.WriteLine("Creating a SportsCar:");
        SportsCar ferrari = new SportsCar("Ferrari", "F40", 1987, 324);
        
        /* פלט:
        Creating a SportsCar:
        1. Vehicle constructor: Ferrari, 1987
        2. Car constructor: F40, 2 doors
        3. SportsCar constructor: Top speed 324 km/h
        */
    }
}

public class Person
{
    private string id;
    private string firstName;
    private string lastName;
    private DateTime birthDate;
    
    public Person(string id, string firstName, string lastName, DateTime birthDate)
    {
        this.id = id;
        this.firstName = firstName;
        this.lastName = lastName;
        this.birthDate = birthDate;
    }
    
    // Getters and Setters
    public string GetId() { return id; }
    public string GetFirstName() { return firstName; }
    public void SetFirstName(string firstName) { this.firstName = firstName; }
    public string GetLastName() { return lastName; }
    public void SetLastName(string lastName) { this.lastName = lastName; }
    public DateTime GetBirthDate() { return birthDate; }
    
    public int GetAge()
    {
        return DateTime.Now.Year - birthDate.Year;
    }
    
    public string GetFullName()
    {
        return $"{firstName} {lastName}";
    }
}

public class Employee : Person
{
    private string employeeId;
    private decimal salary;
    private DateTime hireDate;
    
    public Employee(string id, string firstName, string lastName, 
                   DateTime birthDate, string employeeId, decimal salary)
        : base(id, firstName, lastName, birthDate)
    {
        this.employeeId = employeeId;
        this.salary = salary;
        this.hireDate = DateTime.Now;
    }
    
    public string GetEmployeeId() { return employeeId; }
    public decimal GetSalary() { return salary; }
    public void SetSalary(decimal salary) 
    { 
        if (salary > 0)
            this.salary = salary; 
    }
    
    public int GetYearsOfService()
    {
        return DateTime.Now.Year - hireDate.Year;
    }
    
    public void GiveRaise(decimal percentage)
    {
        if (percentage > 0 && percentage <= 50)
        {
            salary *= (1 + percentage / 100);
            Console.WriteLine($"{GetFullName()} received a {percentage}% raise!");
        }
    }
}

public class Manager : Employee
{
    private List<Employee> teamMembers;
    private string department;
    
    public Manager(string id, string firstName, string lastName,
                  DateTime birthDate, string employeeId, 
                  decimal salary, string department)
        : base(id, firstName, lastName, birthDate, employeeId, salary)
    {
        this.department = department;
        this.teamMembers = new List<Employee>();
    }
    
    public string GetDepartment() { return department; }
    public void SetDepartment(string department) { this.department = department; }
    
    public void AddTeamMember(Employee employee)
    {
        if (employee != null && !teamMembers.Contains(employee))
        {
            teamMembers.Add(employee);
            Console.WriteLine($"{employee.GetFullName()} added to {GetFullName()}'s team");
        }
    }
    
    public void RemoveTeamMember(Employee employee)
    {
        if (teamMembers.Remove(employee))
        {
            Console.WriteLine($"{employee.GetFullName()} removed from team");
        }
    }
    
    public int GetTeamSize()
    {
        return teamMembers.Count;
    }
    
    public void PrintTeamInfo()
    {
        Console.WriteLine($"\nManager: {GetFullName()}");
        Console.WriteLine($"Department: {department}");
        Console.WriteLine($"Team Size: {GetTeamSize()}");
        Console.WriteLine("Team Members:");
        foreach (var member in teamMembers)
        {
            Console.WriteLine($"  - {member.GetFullName()} (ID: {member.GetEmployeeId()})");
        }
    }
}