Hello World Servlet
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWWW extends HttpServlet {
  public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
       response.setContentType("text/html");
   PrintWriter out = response.getWriter();
   out.println("<HTML>\n" +
                   "<HEAD><TITLE>Hello WWW</TITLE></HEAD>\n" +
                   "<BODY>\n" +
                   "<H1>Hello WWW</H1>\n" +
                   "</BODY></HTML>");
   }
}
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