Method stream

src/main/java/org/apache/commons/lang3/EnumUtils.java:466–468

Returns a sequential ordered stream whose elements are the given class' enum values. @param the type of stream elements. @param clazz the class containing the enum values, may be null. @return the new stream, empty of clazz is null. @since 3.18.0 @see Class#getEnumConstants()

(final Class<T> clazz)

     * @see Class#getEnumConstants()
     */
    public static <T> Stream<T> stream(final Class<T> clazz) {
        return clazz != null ? Streams.of(clazz.getEnumConstants()) : Stream.empty();
    }

    /**
     * This constructor is public to permit tools that require a JavaBean