Learn how to use Java annotations ... word and an identifier. For example, Listing 1 declares a simple annotation type that you might use to annotate thread-safe code. After declaring this ...

Consider a simple example of testing a number-guessing game ... The random number generator is marked with a @Profile(“prod”) annotation, while the one that returns a constant value is marked with ...

Prior to the Java EE 7 release, developers struggled to implement a Servlet file upload component because it was a rather sordid affair that required a great deal of error-prone and bloated code ...