public class IntArraySet extends Object implements Serializable, IntSet
Modifier and Type | Field and Description |
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static int[] |
EMPTY_INT_ARRAY |
Constructor and Description |
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IntArraySet()
Create an empty set
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IntArraySet(IntArraySet input)
Create one IntArraySet as a copy of another
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IntArraySet(IntHashSet input)
Create a set containing integers from the specified IntHashSet
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Modifier and Type | Method and Description |
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boolean |
add(int value)
Add an integer to the set
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void |
clear()
Clear the contents of the IntSet (making it an empty set)
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boolean |
contains(int value)
Determine whether a particular integer is present in the set
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boolean |
containsAll(IntSet other)
Test if this set is a superset of another set
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boolean |
equals(Object other)
Test whether this set has exactly the same members as another set
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int |
getFirst()
Get the first value in the set.
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int[] |
getValues()
Get the set of integer values as an array
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int |
hashCode()
Construct a hash key that supports the equals() test
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boolean |
isEmpty()
Determine if the set is empty
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IntIterator |
iterator()
Get an iterator over the values
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static IntArraySet |
make(int[] in,
int size)
Factory method to construct a set from an array of integers
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boolean |
remove(int value)
Remove an integer from the set
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int |
size()
Get the number of integers in the set
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String |
toString() |
IntArraySet |
union(IntArraySet other)
Form a new set that is the union of this set with another set.
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public IntArraySet()
public IntArraySet(IntHashSet input)
input
- the set to be copiedpublic IntArraySet(IntArraySet input)
input
- the set to be copiedpublic void clear()
IntSet
public int size()
IntSet
public boolean isEmpty()
IntSet
public int[] getValues()
public boolean contains(int value)
IntSet
public boolean remove(int value)
IntSet
public boolean add(int value)
public int getFirst()
ArrayIndexOutOfBoundsException
- if the set is emptypublic IntIterator iterator()
public IntArraySet union(IntArraySet other)
other
- the other setpublic static IntArraySet make(int[] in, int size)
in
- the array of integers, which must be in ascending ordersize
- the number of elements in the array that are significantpublic boolean equals(Object other)
public int hashCode()
public boolean containsAll(IntSet other)
containsAll
in interface IntSet