LINQ-6

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Homework6
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Soldier> soldiers = new List<Soldier>
            {
                new Soldier(5),
                new Soldier(10),
                new Soldier(12),
                new Soldier(5),
                new Soldier(8),
            };

            Console.Write("Введите название вооружения: ");
            string userWeaponry = Console.ReadLine();
            Console.Write("Введите срок службы(в месяцах):");
            int.TryParse(Console.ReadLine(), out int userServiceLife);

            var filteredSoldiers = soldiers.Where(soldier => soldier.Weaponry.ToLower() == userWeaponry.ToLower()
                                                             && soldier.ServiceLife == userServiceLife);

            foreach (var soldier in filteredSoldiers)
            {
                soldier.ShowInfo();
            }
        }
    }

    class Soldier
    {
        public int ServiceLife { get; private set; }
        public string Name { get; private set; }
        public string Rank { get; private set; }
        public string Weaponry { get; private set; }

        public Soldier(int serviceLife = 18, string name = "default name", string rank = "default rank", string weaponry = "default weaponry")
        {
            ServiceLife = serviceLife;
            Name = name;
            Rank = rank;
            Weaponry = weaponry;
        }

        public void ShowInfo()
        {
            Console.WriteLine($"{Name} - {Rank}");
        }
    }
}