cn.hutool.core.math

Class BitStatusUtil

java.lang.Object

cn.hutool.core.math.BitStatusUtil

public class BitStatusUtil
extends Object

通过位运算表示状态的工具类
参数必须是 `偶数` 且 `大于等于0`！ 工具实现见博客：https://blog.starxg.com/2020/11/bit-status/

Since:

5.6.6

Author:

huangxingguang，senssic

Constructor Summary

Constructors

Constructor and Description
BitStatusUtil()

Method Summary

Modifier and Type	Method and Description
static int	add(int states, int stat) 增加状态
static int	clear() 清空状态就是0
static boolean	has(int states, int stat) 判断是否含有状态
static int	remove(int states, int stat) 删除一个状态

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BitStatusUtil

public BitStatusUtil()

Method Detail

add

public static int add(int states,
                      int stat)

增加状态

Parameters:

states - 原状态

stat - 要添加的状态

Returns:

新的状态值

has

public static boolean has(int states,
                          int stat)

判断是否含有状态

Parameters:

states - 原状态

stat - 要判断的状态

Returns:

true：有

remove

public static int remove(int states,
                         int stat)

删除一个状态

Parameters:

states - 原状态

stat - 要删除的状态

Returns:

新的状态值

clear

public static int clear()

清空状态就是0

Returns:

0