A "Byte" Service

import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;

public class A_Service extends HttpServlet {

    public void init() throws ServletException {}

    public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException
    {
        byte[] smith=new byte[20];
        for (int j=0;j<20;j++)smith[j]=(byte)(j);
        smith[7]=(byte)'a';
        smith[8]=(byte)'+';
        ServletOutputStream sos = response.getOutputStream();
        for (int k=0;k<18;k++) sos.write(smith[k]);
        sos.flush();
        sos.close();
    }

    public void destroy()
    {

    }
}