tasks/custom_rdate/CustomRDate.java


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import java.io.InputStream;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.util.Date;

public class CustomRDate {
    public static void main(String main[]) throws Exception{
        try {
            Socket s = new Socket("ntp1.arnes.si", 37);
            InputStream vhod = s.getInputStream();
            byte podatek[] = new byte[8];
            int dejanskoPrebranih = vhod.read(podatek, 4, 4);
            ByteBuffer buf = ByteBuffer.wrap(podatek);
            long stevilka = buf.getLong() - 2208988800L;
            Date d = new Date(stevilka*1000);
            System.out.println(d);
        } catch(Exception e) {
            System.out.println("Nedosegljiv streznik.");
        }
    }
}