import java.io.*;import java.net.*;import java.util.*;public class MulticastServerThread extends QuoteServerThread {    private long FIVE_SECONDS = 5000;    public MulticastServerThread() throws IOException {        super("MulticastServerThread");    }    public void run() {        while (moreQuotes) {            try {                byte[] buf = new byte[256];                    // construct quote                String dString = null;                if (in == null)                    dString = new Date().toString();                else                    dString = getNextQuote();                buf = dString.getBytes();		    // send it                InetAddress group = InetAddress.getByName("230.0.0.1");                DatagramPacket packet = new DatagramPacket(buf, buf.length, group, 4446);                socket.send(packet);		    // sleep for a while		try {		    sleep((long)(Math.random() * FIVE_SECONDS));		} catch (InterruptedException e) { }            } catch (IOException e) {                e.printStackTrace();		moreQuotes = false;            }        }	socket.close();    }}