import javax.naming.*;
import javax.naming.directory.*;

import java.util.Hashtable;

public class None {

  @SuppressWarnings({ "rawtypes", "unchecked" })
  public static void main(String[] args) {
    // Set up environment for creating initial context
    Hashtable env = new Hashtable(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

    // Use anonymous authentication
    env.put(Context.SECURITY_AUTHENTICATION, "none"); // "Anonymous LDAP Authentication (Java)" warning issued here

    try {
      // Create initial context
      DirContext ctx = new InitialDirContext(env);

      System.out.println(ctx.lookup("ou=NewHires"));

      // do something useful with ctx

      // Close the context when we're done
      ctx.close();
    } catch (NamingException e) {
      e.printStackTrace();
    }
  }
}