java аннотации

Ответ от Alexey[гуру]
import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; @Retention(RetentionPolicy.RUNTIME) @interface TestAnnot { String greeting() default "Hello"; } ---------------@TestAnnot(greeting="hi") public class TestUsingAnnot { public static void main(String[] args) { boolean present = TestUsingAnnot.class.isAnnotationPresent(TestAnnot.class); if (present) { System.out.println("annotation present"); TestAnnot t = (TestAnnot) TestUsingAnnot.class.getAnnotation(TestAnnot.class); System.out.println(t.greeting()); } } }