package com.dnn.web.config;
    //imports
    @Configuration
    @ComponentScan("com.dnn.spring")   
    @EnableWebMvc
    public class Config {    
    	@Bean
    	public UrlBasedViewResolver setupViewResolver() {
    		UrlBasedViewResolver resolver = new UrlBasedViewResolver();
    		resolver.setPrefix("/WEB-INF/views/");
    		resolver.setSuffix(".jsp");
    		resolver.setViewClass(JstlView.class);
    		return resolver;
    	}
    }

  package com.dnn.web.config;    
      //imports    
        public class WebInitializer implements WebApplicationInitializer {
        
            public void onStartup(ServletContext servletContext)
                    throws ServletException {
        
                AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
                ctx.register(Config.class);
        
                ctx.setServletContext(servletContext);
        
                Dynamic servlet = servletContext.addServlet("dispatcher", new DispatcherServlet(ctx));
                servlet.addMapping("/");
                servlet.setLoadOnStartup(1);        
            }        
        }

 package com.dnn.spring.controller;
    //imports
    @Controller
    public class HelloWorldController {
        @RequestMapping("/hello")
        public String hello( @RequestParam(value = "name", required = false, defaultValue = "World") String name,   Model model) {
            model.addAttribute("name", name);
            return "helloworld";
        }
    }