annotation

Change color of an Error Message using Annotation

Where can I change the color of this ErrorMessage?

How Spring framework @Transactional works

1-The Spring documentation describes the use of spring @Transactional in business rule classes(ProdutosService for example) d ... f the default Open Session in View ? Otherwise, in which situations is it more interesting to use one rather than the other?

Is it possible to change the value of an annotation at runtime?

Considering the following annotation: @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface Minha ... 't work in Java version 8, an exception is thrown when calling: Field field = Class.class.getDeclaredField("annotations");