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sun.jvm.hotspot.utilities

public Class Bits

Class Inheritance

extends Object

java.lang.Object
sun.jvm.hotspot.utilities.Bits

Bit manipulation routines

Field Summary

Modifier and Type	Field and Description
public static final int	AllBits
public static final int	BitsPerByte
public static final int	BitsPerInt
public static final int	LogBytesPerInt
public static final int	LogBytesPerLong
public static final int	NoBits
public static final int	OneBit

Constructor Summary

Access	Constructor and Description
public	Bits()

Method Summary

Modifier and Type	Method and Description
public static int	clearBits(int x, int m)
public static int	clearNthBit(int x, int n)
public static boolean	isSetNthBit(int word, int n)
public static int	maskBits(int x, int m)
public static long	maskBitsLong(long x, long m)
public static int	nthBit(int n)
public static int	rightNBits(int n)
public static int	roundTo(int x, int s) Returns integer round-up to the nearest multiple of s (s must be a power of two)
public static int	setBits(int x, int m)
public static int	setNthBit(int x, int n)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

AllBits	back to summary
public static final int AllBits

BitsPerByte	back to summary
public static final int BitsPerByte

BitsPerInt	back to summary
public static final int BitsPerInt

LogBytesPerInt	back to summary
public static final int LogBytesPerInt

LogBytesPerLong	back to summary
public static final int LogBytesPerLong

NoBits	back to summary
public static final int NoBits

OneBit	back to summary
public static final int OneBit

Constructor Detail

Bits	back to summary
public Bits()

Method Detail

clearBits	back to summary
public static int clearBits(int x, int m)

clearNthBit	back to summary
public static int clearNthBit(int x, int n)

isSetNthBit	back to summary
public static boolean isSetNthBit(int word, int n)

maskBits	back to summary
public static int maskBits(int x, int m)

maskBitsLong	back to summary
public static long maskBitsLong(long x, long m)

nthBit	back to summary
public static int nthBit(int n)

rightNBits	back to summary
public static int rightNBits(int n)

roundTo	back to summary
public static int roundTo(int x, int s) Returns integer round-up to the nearest multiple of s (s must be a power of two)

setBits	back to summary
public static int setBits(int x, int m)

setNthBit	back to summary
public static int setNthBit(int x, int n)