package primer1;

import java.net.*;
import java.util.Date;
import java.io.*;

public class LowPortScanner {

	public static void main(String[] args) {

		String host = "localhost";

		if (args.length > 0)
			host = args[0];

		System.out.println("Trenutak pocetka: " + new Date());

		for (int i = 0; i < 1024; i++) {
			try (Socket s = new Socket(host, i);) {
				System.out.print("There is a server on port " + i + " of " + host);
				System.out.println(" nadjen: " + new Date());

			} catch (UnknownHostException ex) {
				System.err.println(ex);
				break;
			} catch (IOException ex) {

			}
		}

		System.out.println("Trenutak kraja: " + new Date());

	}

}