ResponseEntity is meant to represent the entire HTTP response. You can control anything that goes into it: status code, headers, and body. @ResponseBody is a marker for the HTTP response body and @ResponseStatus declares the status code of the HTTP response. @ResponseStatus isn’t very flexible. It marks the entire method so you have to be … Read more
TL;DR The @Autowired annotation spares you the need to do the wiring by yourself in the XML file (or any other way) and just finds for you what needs to be injected where and does that for you. Full explanation The @Autowired annotation allows you to skip configurations elsewhere of what to inject and just … Read more
<context:annotation-config> is used to activate annotations in beans already registered in the application context (no matter if they were defined with XML or by package scanning). <context:component-scan> can also do what <context:annotation-config> does but <context:component-scan> also scans packages to find and register beans within the application context. I’ll use some examples to show the differences/similarities. … Read more