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## net.sf.saxon.sort
Class IntHashSet

    java.lang.Object
      net.sf.saxon.sort.IntHashSet

All Implemented Interfaces:
  java.io.Serializable

public class IntHashSet
extends java.lang.Object
implements java.io.Serializable

Set of int values. This class is modelled on the java.net.Set interface, but it does not implement this interface, because the set members are int's rather than Objects.

Not thread safe.

See Also:
  Serialized Form

Field Summary
`static int` | `MAX_SIZE` The maximum number of elements this container can contain.
`int` | `ndv` This set's NO-DATA-VALUE.

Constructor Summary
`IntHashSet()` Initializes a set with a capacity of 8 and a load factor of 0,25.
`IntHashSet(int capacity)` Initializes a set with the given capacity and a load factor of 0,25.
`IntHashSet(int capacity, double factor, int noDataValue)` Constructs a new set with initial capacity, and load factor.
`IntHashSet(int capacity, int noDataValue)` Initializes a set with a load factor of 0,25.

Method Summary
`boolean` | `add(int value)`
`void` | `clear()`
`boolean` | `contains(int value)`
`boolean` | `containsAll(IntHashSet other)` Test if this set is a superset of another set
`boolean` | `containsSome(IntHashSet other)` Test if this set has overlapping membership with another set
`boolean` | `equals(java.lang.Object other)` Test whether this set has exactly the same members as another set
`IntHashSet` | `except(IntHashSet other)` Form a new set that is the difference of this set with another set.
`int[]` | `getValues()`
`int` | `hashCode()` Construct a hash key that supports the equals() test
`IntHashSet` | `intersect(IntHashSet other)` Form a new set that is the intersection of this set with another set.
`boolean` | `isEmpty()`
`IntIterator` | `iterator()` Get an iterator over the values
`int` | `peek(int defaultValue)`
`boolean` | `remove(int value)`
`int` | `size()`
`IntHashSet` | `union(IntHashSet other)` Form a new set that is the union of this set with another set.

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### MAX_SIZE

    public static final int MAX_SIZE

  The maximum number of elements this container can contain.

  See Also:
    Constant Field Values

### ndv

    public final int ndv

  This set's NO-DATA-VALUE.

Constructor Detail

### IntHashSet

    public IntHashSet()

  Initializes a set with a capacity of 8 and a load factor of 0,25.

See Also:
  `IntHashSet(int,double,int)`

### IntHashSet

    public IntHashSet(int capacity)

  Initializes a set with the given capacity and a load factor of 0,25.

Parameters:
  `capacity` - the initial capacity.
See Also:
  `IntHashSet(int,double,int)`

### IntHashSet

    public IntHashSet(int capacity,
                      int noDataValue)

  Initializes a set with a load factor of 0,25.

Parameters:
  `capacity` - the initial capacity.
  `noDataValue` - the value to use for non-values.
See Also:
  `IntHashSet(int,double,int)`

### IntHashSet

    public IntHashSet(int capacity,
                      double factor,
                      int noDataValue)

  Constructs a new set with initial capacity, and load factor.

  The capacity is the number of keys that can be mapped without resizing the arrays in which keys and values are stored. For efficiency, only a fraction of the elements in those arrays are used. That fraction is the specified load factor. The initial length of the arrays equals the smallest power of two not less than the ratio capacity/factor. The capacity of the set is increased, as necessary. The maximum number of keys that can be mapped is 2^30.

Parameters:
  `capacity` - the initial capacity.
  `factor` - the load factor.
  `noDataValue` - the value to use for non-values.

Method Detail

### clear

    public void clear()

### size

    public int size()

### isEmpty

    public boolean isEmpty()

### peek

    public int peek(int defaultValue)

### getValues

    public int[] getValues()

### contains

    public boolean contains(int value)

### remove

    public boolean remove(int value)

### add

    public boolean add(int value)

### iterator

    public IntIterator iterator()

  Get an iterator over the values

### union

    public IntHashSet union(IntHashSet other)

  Form a new set that is the union of this set with another set.

### intersect

    public IntHashSet intersect(IntHashSet other)

  Form a new set that is the intersection of this set with another set.

### except

    public IntHashSet except(IntHashSet other)

  Form a new set that is the difference of this set with another set.

### containsAll

    public boolean containsAll(IntHashSet other)

  Test if this set is a superset of another set

### containsSome

    public boolean containsSome(IntHashSet other)

  Test if this set has overlapping membership with another set

### equals

    public boolean equals(java.lang.Object other)

  Test whether this set has exactly the same members as another set

### hashCode

    public int hashCode()

  Construct a hash key that supports the equals() test

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