}

    public boolean isJava9() {
        return this == VERSION_1_9;
    }

    public boolean isJava10() {
        return this == VERSION_1_10;
    }

    /**
     * Returns if the version is Java 11.
     *
     * @since 4.7
     */
    public boolean isJava11() {
        return this == VERSION_11;
    }

    /**
     * Returns if the version is Java 12.
     *