Deserialize an object from the given binary data. @param bytes object binary representation. Can be {@literal null}. @return the equivalent object in

The relative complement, or difference, of the specified left and right set. Namely, the resulting set contains all the elements that are in the left

@throws UnsupportedOperationException {@inheritDoc} @throws ClassCastException {@inheritDoc} @throws NullPointerException {@inheri

编码（将十进制数转为对应的N进制） 思路：十进制转N进制数，将其不断除以N取余数，然后倒序。 @param num @return

URL编码 参考：URLEncoder.encode方法 @param data @return

Execute the task. @param ref the found reference (or {@code null}) @param entry the found entry (or {@code null}) @param entries access to the underly

UNSAFE.objectFieldOffset shortcut @param clz @param fieldName @return @throws RuntimeException

产生验证码 @return

生成token字符串 @param userId @param maxAge @param secret @param now @return

prefix/year/month/md5(file).suffix @param metadata @return

根据身份证号获取用户年龄 @param idNo @return

获取指定cookie的值 @param request @param cookieName @return

根据身份证号获取性别 @param idNo 身份证号 @return 性别(1: 男，0: 女，-1: 未知)

Number of holds on this lock by the current thread @return holds or <code>0</code> if this lock is not held by current thread

版本号转整数<br> 例如: 7.4.2 -> 742 7.4 - > 74 @param version @return