import java.io.*;public class ReverseThread extends Thread {    private PrintWriter out = null;    private BufferedReader in = null;    public ReverseThread(PrintWriter out, BufferedReader in) {        this.out = out;        this.in = in;    }    public void run() {        if (out != null && in != null) {            try {                String input;                while ((input = in.readLine()) != null) {                    out.println(reverseIt(input));                    out.flush();                }                out.close();            } catch (IOException e) {                System.err.println("ReverseThread run: " + e);            }        }    }    private String reverseIt(String source) {        int i, len = source.length();        StringBuffer dest = new StringBuffer(len);        for (i = (len - 1); i >= 0; i--)            dest.append(source.charAt(i));        return dest.toString();    }}