public static String toCamel(String src, boolean isUpper) {
        return toUnderline(src, '_', isUpper);
    }
@Test
    public void testToCamel2() {
        String result = FieldUtils.toCamel("To-Camel", '-', true);
        Assert.assertEquals("ToCamel", result);
        String result1 = FieldUtils.toCamel("To-Camel", '-', false);
        Assert.assertEquals("toCamel", result1);
    }