}

    /**
     * @throws Exception
     */
    @Test
    public void testDecapitalize() throws Exception {
        assertEquals("abc", StringUtil.decapitalize("abc"));
        assertEquals("abc", StringUtil.decapitalize("Abc"));
        assertEquals("ABC", StringUtil.decapitalize("ABC"));
        assertEquals("userId", StringUtil.decapitalize("UserId"));
    }

    /**