HashMapSSipAndNames.txt

    public static void main(String[] args) {
        List<String>ipsFromDb=ipsFromDB();
        System.out.println(" ipsFromDb.size() = " +  ipsFromDb.size());
        HashMap<String,String> ipsMaps = nameAndIpMap(ipsFromDb);
        BiConsumer<String,String> consumer = (x,y)->{
            System.out.println("x = " + x);
            System.out.println("y = " + y);
        };
        System.out.println(ipsMaps.size());
    }


 private static List<String> ipsFromDB()  {...} SIZE = 127

     @Contract(pure = true)
     private static HashMap<String,String> nameAndIpMap(List<String> enterIps){
         Thread.currentThread().setName("NamesResolver.nameAndIpMap");
         System.out.println("NamesResolver.nameAndIpMap");
         HashMap<String,String> nameAndIpMap = new HashMap<>();
         System.out.println(enterIps.size());
         try {
             for (String enterIp:enterIps) {
                 InetAddress dnsAddr = Address.getByAddress(enterIp);
                 String dnsName = Address.getHostName(dnsAddr);
                 InetAddress inetAddress = InetAddress.getByName(dnsName);
                 System.out.println(" enterIp, dnsName = " +  enterIp+ ", "+dnsName);
                 Thread.sleep(1000);
                 nameAndIpMap.put(enterIp.toString(), dnsName.toString());
             }
         } catch (UnknownHostException ignore) {} catch (InterruptedException e) {
             new MySwing().infoTrace(NamesResolver.class.getSimpleName() + "|" + e.getMessage(), e.getStackTrace());
             logger.warning("e.getMessage() & Cause() = " + e.getMessage() + " & " + e.getCause() + "id this record is " + new Random().nextInt());
             e.printStackTrace();
         }
         return nameAndIpMap; SIZE = 2
     }