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public interface IntCollection
A type-specific Collection
; provides some additional methods
that use polymorphism to avoid (un)boxing.
Additionally, this class defines strengthens (again) iterator()
and defines
a slightly different semantics for toArray(Object[])
.
Collection
Method Summary | ||
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boolean |
add(int key)
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boolean |
addAll(IntCollection c)
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boolean |
contains(int key)
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boolean |
containsAll(IntCollection c)
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IntIterator |
intIterator()
Deprecated. As of fastutil 5, replaced by iterator() . |
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IntIterator |
iterator()
Returns a type-specific iterator on the elements of this collection. |
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boolean |
rem(int key)
Note that this method should be called remove() , but the clash
with the similarly named index-based method in the List interface
forces us to use a distinguished name. |
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boolean |
removeAll(IntCollection c)
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boolean |
retainAll(IntCollection c)
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int[] |
toArray(int[] a)
Returns a primitive type array containing the items of this collection. |
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toArray(T[] a)
Returns an containing the items of this collection; the runtime type of the returned array is that of the specified array. |
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int[] |
toIntArray()
Returns a primitive type array containing the items of this collection. |
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int[] |
toIntArray(int[] a)
Returns a primitive type array containing the items of this collection. |
Methods inherited from interface java.util.Collection |
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add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, size, toArray |
Method Detail |
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IntIterator iterator()
Note that this specification strengthens the one given in
Iterable.iterator()
, which was already
strengthened in the corresponding type-specific class,
but was weakened by the fact that this interface extends Collection
.
iterator
in interface java.util.Collection<java.lang.Integer>
iterator
in interface IntIterable
iterator
in interface java.lang.Iterable<java.lang.Integer>
@Deprecated IntIterator intIterator()
fastutil
5, replaced by iterator()
.
iterator()
<T> T[] toArray(T[] a)
Warning: Note that, contrarily to Collection.toArray(Object[])
, this
methods just writes all elements of this collection: no special
value will be added after the last one.
toArray
in interface java.util.Collection<java.lang.Integer>
a
- if this array is big enough, it will be used to store this collection.
Collection.toArray(Object[])
boolean contains(int key)
Collection.contains(Object)
int[] toIntArray()
Collection.toArray()
int[] toIntArray(int[] a)
Note that, contrarily to Collection.toArray(Object[])
, this
methods just writes all elements of this collection: no special
value will be added after the last one.
a
- if this array is big enough, it will be used to store this collection.
Collection.toArray(Object[])
int[] toArray(int[] a)
Note that, contrarily to Collection.toArray(Object[])
, this
methods just writes all elements of this collection: no special
value will be added after the last one.
a
- if this array is big enough, it will be used to store this collection.
Collection.toArray(Object[])
boolean add(int key)
Collection.add(Object)
boolean rem(int key)
remove()
, but the clash
with the similarly named index-based method in the List
interface
forces us to use a distinguished name. For simplicity, the set interfaces reinstates
remove()
.
Collection.remove(Object)
boolean addAll(IntCollection c)
Collection.addAll(Collection)
boolean containsAll(IntCollection c)
Collection.containsAll(Collection)
boolean removeAll(IntCollection c)
Collection.removeAll(Collection)
boolean retainAll(IntCollection c)
Collection.retainAll(Collection)
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