Find loopback with enumeration loop

Enumeration.java

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

public class Enumerators {
    public static void main(final String[] args) {
        try {

            final List<String> localLoopbackAddresses = new ArrayList<>();

            for (final NetworkInterface networkInterface : NetworkInterface.networkInterfaces().toList()) {
                if (networkInterface.isLoopback()) {
                    final Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
                    while(inetAddresses.hasMoreElements()){
                        final String hostAddress = inetAddresses.nextElement().getHostAddress();
                        if(hostAddress!=null){
                            if(hostAddress.contains("%")) {
                                final int position=hostAddress.indexOf("%");
                                localLoopbackAddresses.add(hostAddress.substring(0,position));
                            } else {
                                localLoopbackAddresses.add(hostAddress);
                            }
                        }
                    }

                }
            }
            localLoopbackAddresses.forEach(System.out::println);

        } catch (final SocketException e) {
            System.err.println("Failed to enumerate interfaces: " + e.getMessage());
        }
    }
}