import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class AnnotationsReader {
    public AnnotationsReader() {}

    public void readAnnotation(String classname) {
        try {
            Class cls = Class.forName(classname);
            System.out.print(cls.getName() + " is ");
            if (cls.isAnnotation()) {
                System.out.println("Annotation.\n");
            } else {
                System.out.println("not Annotation.\n");
            }
            
            System.out.print(cls.getName() + " is ");
            readAnnotations(cls);

            readAnnotation(cls.getDeclaredFields(), "Field");
            readAnnotation(cls.getDeclaredConstructors(), "Constructor");
            readAnnotation(cls.getDeclaredMethods(), "Method");
        } catch (ClassNotFoundException ex) {
            System.err.println(classname + " が見つかりません");
        }
    }

    public void readAnnotation(AnnotatedElement[] elements, String message) {
        for (AnnotatedElement element : elements) {
            System.out.print(message + "[" + element +"] is ");
            readAnnotations(element);
        }
    }

    private void readAnnotations(AnnotatedElement element) {
        Annotation[] annotations = element.getAnnotations();
        if (annotations.length != 0) {
            System.out.print("Annotated.\nAnnotation:\n");
            for (Annotation annotation : annotations) {
                System.out.println("    " + annotation);
            }
            System.out.println();
        } else {
            System.out.println("not Annotated.\n");
        }
    }

    
    public static void main(String[] args) {
        if (args.length == 0) {
            System.err.println("Usage:");
            System.err.println("  java AnnotationsReader [classname] [classname] ...");
        }

        AnnotationsReader reader = new AnnotationsReader();

        for (String classname : args) {
            reader.readAnnotation(classname);
        }
    }
}