This is a super Hello World Project ;-)

It consists:

Section 1 Spring:

1. Mult-Way Spring Bean/IoC Configations
2. Spring AOP
3. Spring Jdbc
4. Spring-Hibernate
5. Spring-Struts2

Section 2 Spring-MVC:

1. @RequestMapping(value, method, headers), @RequestParam, @PathVariable, @ResponseBody ......

2. SpringMVC Handler Method: POJO, Servlet API, ModelAndView, Map, Model, @SessionAttribute, @ModelAttribute, forward:, redirect:

3. REST CRUD

4. Spring Form: Form Input -> Java Object(modelAttribute, path, cssClass. cssErrorClass,htmlEscape, form:input,radiobutton, errors, select ......)

5. DataBinding - Formatting - Validating:

ServletRequest -> WebDataBinderFactory -> DataBinder -> ConversionService -> Validator -> BindingResult
Bind + Convert + Validate and Result. 

a. Convert:
CustomConversionService: Coverter<S,T>, ConverterFactory, GenericConverter
@InitBinder method to init WebDataBinder

b. Format:
FormattingConversionService e.g. @DateTimeFormat(pattern, iso, style), @NumberFormat(Style.CURRENCY) apply to Entity Classes

c. Validate:
JSR 303 + Hibernate Validator + Spring LocalValidatorFactoryBean + @valid (@argument + BindingResult or Errors). 
JSP can also access thru form:error path="???"
Validation Annotation applies to Entity Classes
Validation Msg Localization with i18n

6. JSON + HttpMessageConverter @RequestBody + @ResponseBody on Mehotd or HttpEntity + ResponseEntity on method arug and return DataType

7. Localization with i18n; LocalResolver, CookieLocaleResolver, SessionLocaleResolver, LocalChangeInterceptor

8. File Upload: MultipartResolver implements CommonsMultipartResolver. By default SpringMVC would not init MultipartResolver, so add CommonsFileUpload + CommonsIO dependencies and config multipartResolver Bean

9. Interceptor: preHandle, postHandle, and afterCompletion when pre returns TRUE: pre -> handler -> post -> render -> after when pre returns FALSE: pre Also, the mult-interceptors flow with some pre returns false ;-)

10. Exception: HandlerExceptionResolver a. ExceptionHandlerExceptionResolver: @ExceptionHandler (order? the closer Class to the Exception Class). If cannot find any matching method in the handler class, app will look for a method has @ExceptionHandler of a @ControllerAdvise Class b. @ResponseStatus: apply to CustomException Class c. DefaultFhandlerExceptionResolver d. SimpleMappingExceptionResolver

11. Reconfig Spring + Spring MVC App: Spring IoC Bean: Parent vs Spring MVC: Child Spring cannot access Spring MVC Spring MVC can access Spring e.g. Spring IoC Bean includes everything but @Controller and Spring MVC only includes @Controller

12. Spring MVC vs Struts2 Spring MVC: Pro: Servlet - methods (a bit faster), JSR303, AJAX Struts2: Filter - classes Pro: OGNL better Font-end