import java.io.*;import java.net.*;import java.util.*;public class QuoteServerThread extends Thread {    private DatagramSocket socket = null;    private DataInputStream in = null;    private boolean moreQuotes = true;    public QuoteServerThread() throws IOException {        super("QuoteServerThread");        socket = new DatagramSocket(4445);	try {            in = new DataInputStream(new FileInputStream("one-liners.txt"));	} catch (FileNotFoundException e) {            System.err.println("Could not open quote file. Serving time instead.");        }    }    public void run() {        while (moreQuotes) {            try {                byte[] buf = new byte[256];                    // receive request                DatagramPacket packet = new DatagramPacket(buf, buf.length);                socket.receive(packet);		    // figure out response                String dString = null;                if (in == null)                    dString = new Date().toString();                else                    dString = getNextQuote();                dString.getBytes(0, dString.length(), buf, 0);                    // send the response to the client at "address" and "port"                InetAddress address = packet.getAddress();                int port = packet.getPort();                packet = new DatagramPacket(buf, buf.length, address, port);                socket.send(packet);            } catch (IOException e) {                e.printStackTrace();		moreQuotes = false;            }        }	socket.close();    }    private String getNextQuote() {        String returnValue = null;        try {            if ((returnValue = in.readLine()) == null) {                in.close();		moreQuotes = false;                returnValue = "No more quotes. Goodbye.";            }        } catch (IOException e) {            returnValue = "IOException occurred in server.";        }        return returnValue;    }}