PnP Core Component - Check If Content Type Exists in the Web in SharePoint 2016

Please refer to the Introduction to PnP Core Component and OfficeDevPnP.Core for more details. I have created a console application and added SharePointPnPCoreOnline NuGet package for the SharePoint 2016 version.
 
Code Snippet
  1. using System;  
  2. using System.Collections.Generic;  
  3. using System.Linq;  
  4. using System.Net;  
  5. using System.Text;  
  6. using System.Threading.Tasks;  
  7. using Microsoft.SharePoint.Client;  
  8. using OfficeDevPnP.Core;  
  9.   
  10. namespace SP2016PnPCoreComponentDemo  
  11. {  
  12.     class Program  
  13.     {  
  14.         static void Main(string[] args)  
  15.         {  
  16.             // Input Parameters  
  17.             string siteUrl = "http://c7395723754:35298/sites/VijaiDemo";  
  18.             string userName = "administrator";  
  19.             string password = "Xy625xjCe5";  
  20.             string domain = "AD2012";  
  21.             string contentTypeId = "0x0100FC6F80F7923849FBBF73F0974A2DEB9E";  
  22.             string contentTypeName = "PnP Content Type";  
  23.   
  24.             OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();  
  25.   
  26.             try  
  27.             {  
  28.                 // Get the client context  
  29.                 using (var ctx = authMgr.GetNetworkCredentialAuthenticatedContext(siteUrl, userName, password, domain))  
  30.                 {  
  31.                     // Check if content type exists by Name/Id using CSOM Extension Method                        
  32.                     if (ctx.Web.ContentTypeExistsByName(contentTypeName, false) || ctx.Web.ContentTypeExistsById(contentTypeId, false))  
  33.                     {  
  34.                         Console.WriteLine("Content Type Exists");  
  35.                         Console.ReadLine();  
  36.                     }  
  37.                 }  
  38.             }  
  39.   
  40.             catch (Exception ex)  
  41.             {  
  42.                 Console.WriteLine("Error Message: " + ex.Message);  
  43.             }  
  44.         }  
  45.     }