Connect to SharePoint Online using .net CSOM in SharePoint 2013

Let us see how to connect to SharePoint Online site using .net managed client object model in SharePoint 2013.
The process of connecting to the SharePoint Online using .net CSOM has been greatly simplified. The process has been simplified by Introducing the SharePointOnlineCredentials class. 
Please find the below Sample code how to connect to SharePoint online site.

using (ClientContext clientContext = new ClientContext("https://yoursite.sharepoint.com/"))
{
    SecureString passWord = new SecureString();
 
    foreach (char c in "yourpassword".ToCharArray()) passWord.AppendChar(c);
 
    clientContext.Credentials = new SharePointOnlineCredentials("loginname@yoursite.onmicrosoft.com", passWord);
 
    Web web = clientContext.Web;
 
    clientContext.Load(web);
 
    clientContext.ExecuteQuery();
 
    Console.WriteLine(web.Title);
 
    Console.ReadLine();
}