How to get current Domain of the PC in C# and VB.NET

To get current Domain of the PC in C# and VB.NET you can use the snippet below.

Sample C#

using System;
using System.DirectoryServices.ActiveDirectory;

namespace de.Fesslersoft.DomainTest
{
    class Program
    {
        static void Main(string[] args)
        {
            var myDomain = Domain.GetComputerDomain();
            foreach (DomainController dc in myDomain.DomainControllers)
            {
                Console.WriteLine("{0} - {1}", dc.IPAddress, dc.Name);
            }
            Console.Read();
        }
    }
}

Sample VB.NET

Imports System.DirectoryServices.ActiveDirectory

Namespace de.Fesslersoft.DomainTest
	Class Program
		Private Shared Sub Main(args As String())
			Dim myDomain = Domain.GetComputerDomain()
			For Each dc As DomainController In myDomain.DomainControllers
				Console.WriteLine("{0} - {1}", dc.IPAddress, dc.Name)
			Next
			Console.Read()
		End Sub
	End Class
End Namespace

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How to ping in Java

To ping in Java you can use the following snippet.

Sample Java

public static void pingUrl(String url, Integer timeOut)
{
	url = url.replace("http://", "");
	try {  
		InetAddress address = InetAddress.getByName(url);  
		System.out.println("Hostname: " + address.getHostName());  
		System.out.println("IP-Address: " + address.getHostAddress());  
		System.out.println("Reachable in " + ((double)timeOut / (double)1000) + " Seconds: " + address.isReachable(timeOut));  
	}  
	catch (UnknownHostException e) {
		System.err.println("Unable to lookup " + url + "; error: " + e);  
	}  
	catch (IOException e) {  
		System.err.println("Unable to reach " + url);  
	}  
}

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