@Retention(RetentionPolicy.CLASS)
@Target(ElementType.TYPE)
public @interface MyAnnotation {
    short value();
}

@MyAnnotation(1)
public class MyClass {
    public static void main(String[] args) {
        new ClassGraph()
                .enableAllInfo()
                .scan(ForkJoinPool.commonPool(), 8)
                .getClassesWithAnnotation(MyAnnotation.class.getName())
                .forEach(classInfo -> {
                    AnnotationInfo annotationInfo = classInfo.getAnnotationInfo(MyAnnotation.class.getName());
                    Object value = annotationInfo.getParameterValues().get("value").getValue();
                    System.out.println(value); // prints: 0
                });
    }
}