fork(2) download
copy 
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6.  
  7.   public class ContactNumber
  8.     {
  9.  
  10.         public int PhoneNumber { get; set; }
  11.  
  12.         public ContactNumber()
  13.         {
  14.  
  15.         }
  16.         public ContactNumber(int numbers)
  17.         {
  18.             PhoneNumber = numbers;
  19.         }
  20.     }
  21.  internal class User
  22.     {
  23.         public string ID { get; set; }
  24.  
  25.         public string Name { get; set; }
  26.  
  27.         public List<ContactNumber> AddressBook { get; set; }
  28.     }
  29.  
  30.     internal class Program
  31.     {
  32.  
  33.         private static void Main(string[] args)
  34.         {
  35.             Dictionary<int, User> dic = new Dictionary<int, User>();
  36.             dic.Add(1, new User { ID = "id1", Name = "name1" });
  37.             dic.Add(2, new User { ID = "id2", Name = "name2" });
  38.             dic.Add(3, new User { ID = "id3", Name = "name3", AddressBook = new List<ContactNumber>(){new ContactNumber(3432),new ContactNumber(3213)} });
  39.  
  40.             User user = dic.Where(z => z.Value.ID == "id3").FirstOrDefault().Value;
  41.  
  42.             Console.WriteLine(user.Name);
  43.             DisplayList(user);
  44.             //Console.WriteLine(user.AddressBook.ToString());
  45.  
  46.             //update the list
  47.             addOrUpdate(dic,3,user);
  48.  
  49.             //var used = new User { ID = "id1", Name = "Harry" };
  50.             //dic[1] = used;
  51.  
  52.              user = dic.Where(z => z.Value.ID == "id3").FirstOrDefault().Value;
  53.  
  54.  
  55.             Console.WriteLine(user.Name);
  56.             DisplayList(user);
  57.  
  58.  
  59.         }
  60.  
  61.         private static void DisplayList(User user)
  62.         {
  63.             foreach (ContactNumber number in user.AddressBook)
  64.             {
  65.                 Console.WriteLine(number.PhoneNumber);
  66.  
  67.             }
  68.         }
  69.  
  70.         //determin list length
  71.  
  72.         public static void addOrUpdate(Dictionary<int, User> dic, int key, User user)
  73.         {
  74.             //sets a new user data and just replaces it in the dictionary
  75.             //var used = new User { ID = "id1", Name = "Harry" };
  76.             var used = new User{ ID = "id3", Name = "Henry" ,AddressBook = new List<ContactNumber>(){new ContactNumber(3111),new ContactNumber(4444)}};
  77.  
  78.             if (dic.TryGetValue(key, out user))
  79.             {
  80.                 // yay, value exists!
  81.                 dic[key] = used;
  82.  
  83.             }
  84.             else
  85.             {
  86.                 // darn, lets add the value 
  87.                 dic.Add(key, used);
  88.             }
  89.         }
  90.  
  91.     }
Success #stdin #stdout 0.05s 24104KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
name3
3432
3213
Henry
3111
4444
https://ideone.com/0YtpnC
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!