org.jupiter.common.util

类 Ints

java.lang.Object

org.jupiter.common.util.Ints

public final class Ints
extends Object

Static utility methods pertaining to int primitives. jupiter org.jupiter.common.util

作者:

jiachun.fjc

字段概要

字段

限定符和类型	字段和说明
static int	MAX_POWER_OF_TWO The largest power of two that can be represented as an int.

方法概要

方法

限定符和类型	方法和说明
static int	checkedCast(long value) Returns the int value that is equal to value, if possible.
static int	findNextPositivePowerOfTwo(int value) Fast method of finding the next power of 2 greater than or equal to the supplied value.
static int	saturatedCast(long value) Returns the int nearest in value to value.

从类继承的方法 java.lang.Object

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

字段详细资料

MAX_POWER_OF_TWO

public static final int MAX_POWER_OF_TWO

The largest power of two that can be represented as an int.

另请参阅:

常量字段值

方法详细资料

checkedCast

public static int checkedCast(long value)

Returns the int value that is equal to value, if possible.

saturatedCast

public static int saturatedCast(long value)

Returns the int nearest in value to value.

findNextPositivePowerOfTwo

public static int findNextPositivePowerOfTwo(int value)

Fast method of finding the next power of 2 greater than or equal to the supplied value. If the value is <= 0 then 1 will be returned. This method is not suitable for Integer.MIN_VALUE or numbers greater than 2^30.

参数:

value - from which to search for next power of 2

返回:

The next power of 2 or the value itself if it is a power of 2