value for the annotation attribute must be constant expression

Question

I have a properties file that I read by spring annotation like this

    @Value(\"${platform}\")
    private String platform;

after I get th

Answer 1

The parameter is evaluated in compilation time. So it needs to be final or static final among others (ie Enum).

I don't know if the @Value annotation allows that. But you can always implement your own annotation. Extending is not possible in Java annotations.