public static void printDnsServers() { if (resolvers == null) { return;
public static void printDnsServers() { if (resolvers == null) { return; }  Iterator iterator = resolvers.keySet().iterator(); String dnsServer;  while (iterator.hasNext()) { dnsServer = (String) iterator.next();  System.out.println(dnsServer); }
  public static void printDnsServers()  {    if (resolvers == null)    {      return;    }    Iterator iterator = resolvers.keySet().iterator();    String dnsServer;    while (iterator.hasNext())    {      dnsServer = (String) iterator.next();      System.out.println(dnsServer);    }  }