java.util
Class BitSet

java.lang.Object
  java.util.BitSet

All Implemented Interfaces:

Serializable, Cloneable

public class BitSet
extends Object
implements Cloneable, Serializable

Set of bits.

Compliance: J2SE: 1.4 complete

See Also:

Serialized Form

Constructor Summary

BitSet()

BitSet(int nbits)

Method Summary

void	and(BitSet set)
void	andNot(BitSet set)
int	cardinality()
void	clear()
void	clear(int bitIndex)
void	clear(int fromIndex, int toIndex)
Object	clone()
boolean	equals(Object obj)
void	flip(int bitIndex)
void	flip(int fromIndex, int toIndex)
boolean	get(int bitIndex)
BitSet	get(int fromIndex, int toIndex)
int	hashCode()
boolean	intersects(BitSet set)
boolean	isEmpty()
int	length()
int	nextClearBit(int fromIndex)
int	nextSetBit(int fromIndex)
void	or(BitSet set)
void	set(int bitIndex)
void	set(int bitIndex, boolean value)
void	set(int fromIndex, int toIndex)
void	set(int fromIndex, int toIndex, boolean value)
int	size()
String	toString()
void	xor(BitSet set)

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BitSet

public BitSet()

BitSet

public BitSet(int nbits)

Method Detail

and

public void and(BitSet set)

andNot

public void andNot(BitSet set)

cardinality

public int cardinality()

clear

public void clear()

clear

public void clear(int bitIndex)

clear

public void clear(int fromIndex,
                  int toIndex)

clone

public Object clone()

Overrides:

clone in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

flip

public void flip(int bitIndex)

flip

public void flip(int fromIndex,
                 int toIndex)

get

public boolean get(int bitIndex)

get

public BitSet get(int fromIndex,
                  int toIndex)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

intersects

public boolean intersects(BitSet set)

isEmpty

public boolean isEmpty()

length

public int length()

nextClearBit

public int nextClearBit(int fromIndex)

nextSetBit

public int nextSetBit(int fromIndex)

or

public void or(BitSet set)

set

public void set(int bitIndex)

set

public void set(int bitIndex,
                boolean value)

set

public void set(int fromIndex,
                int toIndex)

set

public void set(int fromIndex,
                int toIndex,
                boolean value)

size

public int size()

toString

public String toString()

Overrides:

toString in class Object

xor

public void xor(BitSet set)