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java.lang.Object | +--org.apache.commons.collections.primitives.adapters.AbstractCollectionIntCollection | +--org.apache.commons.collections.primitives.adapters.CollectionIntCollection
Adapts a Number
-valued
Collection
to the
IntCollection
interface.
Collection
implementation in the "obvious" way.
Constructor Summary | |
CollectionIntCollection(Collection collection)
Creates an IntCollection wrapping
the specified Collection . |
Method Summary | |
boolean |
add(int element)
Ensures that I contain the specified element (optional operation). |
boolean |
addAll(org.apache.commons.collections.primitives.IntCollection c)
Adds all of the elements in the
specified collection to me (optional operation). |
void |
clear()
Removes all my elements (optional operation). |
boolean |
contains(int element)
Returns true iff I contain
the specified element. |
boolean |
containsAll(org.apache.commons.collections.primitives.IntCollection c)
Returns true iff I contain
all of the elements in the given collection. |
boolean |
isEmpty()
Returns true iff I contain no elements. |
org.apache.commons.collections.primitives.IntIterator |
iterator()
wraps the
Iterator
returned by my underlying
Collection ,
if any. |
boolean |
removeAll(org.apache.commons.collections.primitives.IntCollection c)
Removes all of my elements that are contained in the specified collection (optional operation). |
boolean |
removeElement(int element)
Removes a single occurrence of the specified element (optional operation). |
boolean |
retainAll(org.apache.commons.collections.primitives.IntCollection c)
Removes all of my elements that are not contained in the specified collection (optional operation). |
int |
size()
Returns the number of elements I contain. |
int[] |
toArray()
Returns an array containing all of my elements. |
int[] |
toArray(int[] dest)
Returns an array containing all of my elements, using the given array if it is large enough. |
String |
toString()
|
static org.apache.commons.collections.primitives.IntCollection |
wrap(Collection collection)
Create an IntCollection wrapping
the specified Collection . |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public CollectionIntCollection(Collection collection)
IntCollection
wrapping
the specified Collection
.
wrap(java.util.Collection)
Method Detail |
public static org.apache.commons.collections.primitives.IntCollection wrap(Collection collection)
IntCollection
wrapping
the specified Collection
. When
the given collection is null
,
returns null
.
collection
- the (possibly null
) Collection
to wrap
IntCollection
wrapping the given
collection, or null
when collection is
null
.public boolean add(int element)
IntCollection
true
iff I changed as a result of this call.
If a collection refuses to add the specified
element for any reason other than that it already contains
the element, it must throw an exception (rather than
simply returning false). This preserves the invariant
that a collection always contains the specified element after
this call returns.
add
in interface IntCollection
element
- the value whose presence within me is to be ensured
true
iff I changed as a result of this callpublic boolean addAll(org.apache.commons.collections.primitives.IntCollection c)
IntCollection
Adds
all of the elements in the
specified collection to me (optional operation).
addAll
in interface IntCollection
c
- the collection of elements whose presence within me is to
be ensured
true
iff I changed as a result of this callpublic void clear()
IntCollection
empty
after this
method successfully returns.
clear
in interface IntCollection
public boolean contains(int element)
IntCollection
true
iff I contain
the specified element.
contains
in interface IntCollection
element
- the value whose presence within me is to be tested
true
iff I contain the specified elementpublic boolean containsAll(org.apache.commons.collections.primitives.IntCollection c)
IntCollection
true
iff I contain
all of the elements in the given collection.
containsAll
in interface IntCollection
c
- the collection of elements whose presence within me is to
be tested
true
iff I contain the all the specified elementspublic String toString()
toString
in class Object
public boolean isEmpty()
IntCollection
true
iff I contain no elements.
isEmpty
in interface IntCollection
true
iff I contain no elements.public org.apache.commons.collections.primitives.IntIterator iterator()
wraps
the
Iterator
returned by my underlying
Collection
,
if any.
iterator
in interface IntCollection
iterator
over all my elements.public boolean removeElement(int element)
IntCollection
removeElement
in interface IntCollection
element
- the element to remove, if present
true
iff I contained the specified element,
in other words, iff I changed as a result of this callpublic boolean removeAll(org.apache.commons.collections.primitives.IntCollection c)
IntCollection
removeAll
in interface IntCollection
c
- the collection of elements to remove
true
iff I contained the at least one of the
specified elements, in other words, returns true
iff I changed as a result of this callpublic boolean retainAll(org.apache.commons.collections.primitives.IntCollection c)
IntCollection
retainAll
in interface IntCollection
c
- the collection of elements to retain
true
iff I changed as a result
of this callpublic int size()
IntCollection
size
in interface IntCollection
public int[] toArray()
IntCollection
size
.
The returned array will be independent of me,
so that callers may modify that
returned array without modifying this collection.
When I guarantee the order in which
elements are returned by an iterator
,
the returned array will contain elements in the
same order.
toArray
in interface IntCollection
public int[] toArray(int[] dest)
IntCollection
iterator
,
the returned array will contain elements in the
same order.
toArray
in interface IntCollection
dest
- an array that may be used to contain the elements
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