2V0-72.22 Exam Dumps : Professional Develop VMware Spring

A. Locale

This is true because the Locale argument can be used to resolve the current locale that the client is using, based on the Accept-Language header or a cookie1.

B. Principal

This is true because the Principal argument can be used to access the currently authenticated user, if any1.

F. HttpSession

This is true because the HttpSession argument can be used to access the current session, if any1. Note that this argument is not required and will be null if a session does not exist.

The @Value annotation can be used to inject values from external sources into fields, constructor parameters, or method parameters. To inject a system property, the annotation can use either the ${…} placeholder syntax or the #{…} SpEL expression syntax. The former is simpler and more concise, while the latter is more powerful and flexible. Both syntaxes can access the systemProperties map, which contains all the system properties as key-value pairs.