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Can anyone explain in a clear way the practical differences between the java.lang.annotation.RetentionPolicy constants SOURCE, CLASS, and RUNTIME? I’m also not exactly sure what the phrase “retaining annotation” means....
I know that it isn’t the most vital of issues, but I just realised that I can put the javadoc comment block before or after the annotation. What would...
In python 3.x, it is common to use return type annotation of a function, such as: def foo() -> str: return "bar" What is the correct annotation for the...
I have created a simple unit test but IntelliJ is incorrectly highlighting it red. marking it as an error No beans? As you can see below it passes the...
What are the major areas that we can use Annotations? Is the feature a replacement for XML based configuration? 14 Answers 14
I don’t understand why there is no inheritance in Java annotations, just as Java classes. I think it would be very useful. For example: I want to know if...
If I have a @Transactional -annotation on a private method in a Spring bean, does the annotation have any effect? If the @Transactional annotation is on a public method,...
Today I wanted to create my first annotation interface following this documentation and I got this compiler error Invalid type for annotation member": public @interface MyAnnotation { Object myParameter;...
Is it possible to set a default value for columns in JPA, and if, how is it done using annotations? 20 Answers 20
How do I search the whole classpath for an annotated class? I’m doing a library and I want to allow the users to annotate their classes, so when the...