A “Hello World” Servlet
import javax.servlet.http.* ;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
response.setContentType(“text/html”) ;
PrintWriter out = response.getWriter() ;
out.println(“<html><body>”) ;
out.println(“<h1>Hello World!</h1>”) ;
out.println(“</html></body>”) ;