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java.lang.Object | +--org.apache.commons.collections.primitives.AbstractIntCollection
Abstract base class for IntCollection
s.
iterator()
and size()
. Mutable subclasses
should also override add(int)
and
IntIterator.remove
.
All other methods have at least some base implementation
derived from these. Subclasses may choose to override
these methods to provide a more efficient implementation.
Method Summary | |
boolean |
add(int element)
Unsupported in this base implementation. |
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. |
abstract org.apache.commons.collections.primitives.IntIterator |
iterator()
Returns an iterator over all my elements. |
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). |
abstract int |
size()
Returns the number of elements I contain. |
int[] |
toArray()
Returns an array containing all of my elements. |
int[] |
toArray(int[] a)
Returns an array containing all of my elements, using the given array if it is large enough. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public abstract org.apache.commons.collections.primitives.IntIterator iterator()
IntCollection
iterator
over all my elements.
This base interface places no constraints on the order
in which the elements are returned by the returned iterator.
iterator
in interface IntCollection
iterator
over all my elements.public abstract int size()
IntCollection
size
in interface IntCollection
public boolean add(int element)
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 boolean isEmpty()
IntCollection
true
iff I contain no elements.
isEmpty
in interface IntCollection
true
iff I contain no 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[] 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[] a)
IntCollection
iterator
,
the returned array will contain elements in the
same order.
toArray
in interface IntCollection
a
- an array that may be used to contain the elements
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