العمل مع مجموعات البيانات: القوائم والقواميس وقوائم الانتظار

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        List<string> names = new List<string> { "Alice", "Bob", "Charlie" };
        
        names.Add("Diana"); // Add an element
        names.Remove("Bob"); // Remove an element

        Console.WriteLine("Names:");
        foreach (string name in names) {
            Console.WriteLine(name);
        }
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        Dictionary<string, int> ages = new Dictionary<string, int> {
            { "Alice", 25 },
            { "Bob", 30 },
            { "Charlie", 35 }
        };

        ages["Diana"] = 28; // Add a key-value pair
        ages.Remove("Bob"); // Remove a key-value pair

        Console.WriteLine("Ages:");
        foreach (var entry in ages) {
            Console.WriteLine($"{entry.Key}: {entry.Value}");
        }
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        Queue<string> tasks = new Queue<string>();

        tasks.Enqueue("Task 1"); // Add to the queue
        tasks.Enqueue("Task 2");
        tasks.Enqueue("Task 3");

        Console.WriteLine("Processing tasks:");
        while (tasks.Count > 0) {
            Console.WriteLine(tasks.Dequeue()); // Remove from the queue
        }
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        Dictionary<string, double> products = new Dictionary<string, double> {
            { "Apple", 0.5 },
            { "Banana", 0.3 },
            { "Carrot", 0.2 }
        };

        Queue<string> customers = new Queue<string>();
        customers.Enqueue("Customer 1");
        customers.Enqueue("Customer 2");

        Console.WriteLine("Processing customers:");
        while (customers.Count > 0) {
            string customer = customers.Dequeue();
            Console.WriteLine($"{customer} is buying:");
            foreach (var product in products) {
                Console.WriteLine($"- {product.Key}: ${product.Value}");
            }
        }
    }
}