spring annotation inheritance

@Autowired/@Inject (method) When you use @Inherited on a class annotation, this means that when that annotation is queried on a non-annotated subclass, the Java will look for it in the superclass. When you use @Inherited on a method annotation, this means that when that annotation is queried on a non-annotated method overridden in subclass, Java…

How do Annotations Work In Java?

Basically, annotations are just markers which are read by the compiler or the application. Depending on their retention policy they are available at compile time only or are readable at runtime using reflection. Many frameworks use runtime retention, i.e. they reflectively check whether some annotations are present on a class, method, field etc. and do…

Spring MVC – @RequestBody and @ResponseBody

In this post i want to dig into spring mvc a little, revealing what happens behind the scenes when a request is converted to your parameter object and vice versa. Before we start, i want to explain the purpose of these annotations. What are @RequestBody and @ResponseBody for? They are annotations of the spring mvc…

Could not determine type for: java.util.Set

This happened because of the inconsistence of placing the jpa annoatations. All the annotations should be in getters or fields consistently.   Suggest to put above the fields.

@Inject and @Autowired

@Inject is part of the Java CDI standard introduced in Java EE 6 (JSR-299), read more. Spring has choosen to support using@Inject synonymously with their own @Autowired annotation. So, to answer your question, @Autowired is springs own (legacy) annotation. @Inject is part of a new Java technology called CDI that defines a standard for dependency injection similar to Spring. In a spring application, the…