java.lang.Object
- org.antlr.runtime.BitSet

所有已实现的接口:

java.lang.Cloneable
```
public class BitSet
extends java.lang.Object
implements java.lang.Cloneable
```
A stripped-down version of org.antlr.misc.BitSet that is just good enough to handle runtime requirements such as FOLLOW sets for automatic error recovery.

字段概要

字段
修饰符和类型字段说明

protected long[] bits
The actual data bits

protected static int BITS

protected static int LOG_BITS

protected static int MOD_MASK

构造器概要

构造器
构造器	说明
`BitSet()`	Construct a bitset of size one word (64 bits)
`BitSet(int nbits)`	Construct a bitset given the size
`BitSet(long[] bits_)`	Construction from a static array of longs
`BitSet(java.util.List<java.lang.Integer> items)`	Construction from a list of integers

方法概要

所有方法静态方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`add(int el)`	or this element into this set (grow as necessary to accommodate)
`java.lang.Object`	`clone()`
`boolean`	`equals(java.lang.Object other)`
`void`	`growToInclude(int bit)`	Grows the set to a larger number of bits.
`boolean`	`isNil()`
`int`	`lengthInLongWords()`	return how much space is being used by the bits array not how many actually have member bits on.
`boolean`	`member(int el)`
`int`	`numBits()`
`static BitSet`	`of(int el)`
`static BitSet`	`of(int a, int b)`
`static BitSet`	`of(int a, int b, int c)`
`static BitSet`	`of(int a, int b, int c, int d)`
`BitSet`	`or(BitSet a)`	return this \| a in a new set
`void`	`orInPlace(BitSet a)`
`void`	`remove(int el)`
`int`	`size()`
`int[]`	`toArray()`	Is this contained within a?
`long[]`	`toPackedArray()`
`java.lang.String`	`toString()`
`java.lang.String`	`toString(java.lang.String[] tokenNames)`

从类继承的方法 java.lang.Object
finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细资料
- BITS
```
protected static final int BITS
```
  另请参阅:
  
  常量字段值
- LOG_BITS
```
protected static final int LOG_BITS
```
  另请参阅:
  
  常量字段值
- MOD_MASK
```
protected static final int MOD_MASK
```
  另请参阅:
  
  常量字段值
- bits
```
protected long[] bits
```
  The actual data bits

构造器详细资料
- BitSet
```
public BitSet()
```
  Construct a bitset of size one word (64 bits)
- BitSet
```
public BitSet(long[] bits_)
```
  Construction from a static array of longs
- BitSet
```
public BitSet(java.util.List<java.lang.Integer> items)
```
  Construction from a list of integers
- BitSet
```
public BitSet(int nbits)
```
  Construct a bitset given the size
  
  参数:
  
  nbits - The size of the bitset in bits

方法详细资料

of
```
public static BitSet of(int el)
```

of

public static BitSet of(int a,
                        int b)

of

public static BitSet of(int a,
                        int b,
                        int c)

of

public static BitSet of(int a,
                        int b,
                        int c,
                        int d)

or
```
public BitSet or(BitSet a)
```
return this | a in a new set

add
```
public void add(int el)
```
or this element into this set (grow as necessary to accommodate)

growToInclude
```
public void growToInclude(int bit)
```
Grows the set to a larger number of bits.

参数:

bit - element that must fit in set

orInPlace
```
public void orInPlace(BitSet a)
```

clone
```
public java.lang.Object clone()
```
覆盖:

clone 在类中 java.lang.Object

size
```
public int size()
```

equals

public boolean equals(java.lang.Object other)

覆盖:: equals 在类中 java.lang.Object

member
```
public boolean member(int el)
```

remove
```
public void remove(int el)
```

isNil
```
public boolean isNil()
```

numBits
```
public int numBits()
```

lengthInLongWords
```
public int lengthInLongWords()
```
return how much space is being used by the bits array not how many actually have member bits on.

toArray
```
public int[] toArray()
```
Is this contained within a?

toPackedArray
```
public long[] toPackedArray()
```

toString
```
public java.lang.String toString()
```
覆盖:

toString 在类中 java.lang.Object

toString

public java.lang.String toString(java.lang.String[] tokenNames)

修饰符和类型	字段	说明
`protected long[]`	`bits`	The actual data bits
`protected static int`	`BITS`
`protected static int`	`LOG_BITS`
`protected static int`	`MOD_MASK`

类 BitSet

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

BITS

LOG_BITS

MOD_MASK

bits

构造器详细资料

BitSet

BitSet

BitSet

BitSet

方法详细资料

of

of

of

of

or

add

growToInclude

orInPlace

clone

size

equals

member

remove

isNil

numBits

lengthInLongWords

toArray

toPackedArray

toString

toString