final Class<?> javaLangAccessClass = Class.forName("sun.misc.JavaLangAccess");
            newStringUnsafeMethod = javaLangAccessClass.getMethod("newStringUnsafe", char[].class);
        } catch (final Throwable t) {
            // ignore
            // t.printStackTrace();
        }
    }

    /**
     * Checks if the string is empty or null.
     *