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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Threading.Tasks;
  4.  
  5. public class AgeIncrementor
  6. {
  7.     private static readonly object syncLock = new object();
  8.     public AgeIncrementor()
  9.     {
  10.         Age = 0;
  11.     }
  12.  
  13.     public int Age { get; set; }
  14.     public Task IncrementAge()
  15.     {
  16.         return Task.Run(() =>
  17.          {
  18.              try
  19.              {
  20.                  lock (syncLock)
  21.                  {
  22.                      Age += 10;
  23.                      Console.WriteLine("Increased to {0}", Age);
  24.                  }
  25.              }
  26.              catch (Exception ex)
  27.              {
  28.                  Console.WriteLine(ex.Message);
  29.              }
  30.          });
  31.  
  32.     }
  33.     public void Complete()
  34.     {
  35.         Console.WriteLine("Printing from Complete() method.");
  36.     }
  37.  
  38.     static void Main(string[] args)
  39.     {
  40.  
  41.         var ageIncrementor = new AgeIncrementor();
  42.         Console.WriteLine("Age is {0}", ageIncrementor.Age);
  43.         List<Task> tasks = new List<Task>();
  44.         for (int i = 0; i < 5; i++)
  45.         {
  46.             tasks.Add(ageIncrementor.IncrementAge());
  47.         }
  48. 		Task.WaitAll(tasks.ToArray());
  49.         ageIncrementor.Complete();
  50.         Console.WriteLine("Completed");
  51.         Console.WriteLine("Final Age is {0}", ageIncrementor.Age);
  52.         Console.ReadKey();
  53.     }
  54. }
Success #stdin #stdout 0.01s 265024KB
comments ()
stdin 
Standard input is empty
stdout 
Age is 0
Increased to 10
Increased to 20
Increased to 30
Increased to 40
Increased to 50
Printing from Complete() method.
Completed
Final Age is 50
https://ideone.com/h3c1Tt
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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