public JavaClass[] getAllInterfaces() throws ClassNotFoundException {

        final ClassQueue queue = new ClassQueue();

        final Set<JavaClass> allInterfaces = new TreeSet<>();

        queue.enqueue(this);

        while (!queue.empty()) {

            final JavaClass clazz = queue.dequeue();

            final JavaClass souper = clazz.getSuperClass();

            final JavaClass[] _interfaces = clazz.getInterfaces();

            if (clazz.isInterface()) {

                allInterfaces.add(clazz);

            } else {

                if (souper != null) {

                    queue.enqueue(souper);

                }

            }

            for (final JavaClass _interface : _interfaces) {

                queue.enqueue(_interface);

            }

        }

        return allInterfaces.toArray(new JavaClass[allInterfaces.size()]);

    }