import java.servlet.*;
import java.io.*;

public class HelloWorldServlet extends GenericServlet {

  static String helloString = "Hello, world\r\n";

  public void service(ServletRequest request, ServletResponse response) {

    response.setContentLength(helloString.length());
    response.setContentType("text/plain");
    try {
      PrintStream rs = new PrintStream(response.getOutputStream());
      rs.print(helloString);
    }
    catch (IOException e) {
    }

  }

}