public @interface testAnnotation{
String test1() default "lalala";
int test2() = 0;
}

int test2() = 0;

Giraffe giraffe = new Giraffe();
 Annotation[] classAnnotations = giraffe.getClass().getAnnotations();
         
            for (Annotation annotation : classAnnotations) {
                if (annotation instanceof Mammal) {                  
                    Annotation annotation1 = (Mammal)annotation;
                    System.out.println(annotation1.sound());
                }
            }

@Target(ElementType.TYPE)
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Inherited
public @interface Mammal {
    String sound();

    int color();
}