How to retrieve the all user name from system domain(including login user)?

Question

Hi, I am trying to get the system domain all users name. But I unable to get the all user name except domain login user name. I used the below code. What I want to do to get the all user name from system domain. Kindly any one help me.
Properties envVars = new Properties();
Runtime r = Runtime.getRuntime();
String OS = System.getProperty("os.name").toLowerCase();
     if ((OS.indexOf("nt") > -1) || (OS.indexOf("windows 2000") > -1 ) || (OS.indexOf("windows xp") > -1) )
          p = r.exec( "cmd.exe /c set" );
     BufferedReader br = new BufferedReader ( new InputStreamReader( p.getInputStream() ) );
     String line;
     while( (line = br.readLine()) != null )
          int idx = line.indexOf( '=' );
          String key = line.substring( 0, idx );
          String value = line.substring( idx+1 );
          envVars.setProperty( key, value );
     String domainDNSName = envVars.getProperty("USERDNSDOMAIN");
     String userName = envVars.getProperty("USERNAME");
     System.out.println("\n\n\n DOMAIN NAME == "+domainDNSName +" USERNAME == "+userName);
Thanks & Regards
Palani

Answer 1

Thanks kajbj,
I don't know, How many users in domain. I neet to get all the user names from my domain. User like A, B,C,D, E,F. I need to get this users name.
public class Env {
     public static void main(String[] args) {
          System.out.println("USERDOMAIN: " + System.getenv("USERDOMAIN"));
          System.out.println("USERNAME: " + System.getenv("USERNAME"));
Here , I am getting the login user name only. So i needs all user name. How to retrive or get this.
Regards
Palani