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java.lang.Objectorg.apache.commons.collections.primitives.AbstractDoubleCollection
Abstract base class for DoubleCollections.
iterator()
and size(). Mutable subclasses
should also override add(double) and
DoubleIterator.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.
| Constructor Summary | |
protected |
AbstractDoubleCollection()
|
| Method Summary | |
boolean |
add(double element)
Unsupported in this base implementation. |
boolean |
addAll(DoubleCollection c)
Adds all of the elements in the
specified collection to me (optional operation). |
void |
clear()
Removes all my elements (optional operation). |
boolean |
contains(double element)
Returns true iff I contain
the specified element. |
boolean |
containsAll(DoubleCollection c)
Returns true iff I contain
all of the elements in the given collection. |
boolean |
isEmpty()
Returns true iff I contain no elements. |
abstract DoubleIterator |
iterator()
Returns an iterator over all my elements. |
boolean |
removeAll(DoubleCollection c)
Removes all of my elements that are contained in the specified collection (optional operation). |
boolean |
removeElement(double element)
Removes a single occurrence of the specified element (optional operation). |
boolean |
retainAll(DoubleCollection 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. |
double[] |
toArray()
Returns an array containing all of my elements. |
double[] |
toArray(double[] 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 |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
protected AbstractDoubleCollection()
| Method Detail |
public abstract DoubleIterator iterator()
DoubleCollectioniterator 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 DoubleCollectioniterator over all my elements.public abstract int size()
DoubleCollection
size in interface DoubleCollectionpublic boolean add(double element)
add in interface DoubleCollectionelement - the value whose presence within me is to be ensured
true iff I changed as a result of this callpublic boolean addAll(DoubleCollection c)
DoubleCollectionAdds all of the elements in the
specified collection to me (optional operation).
addAll in interface DoubleCollectionc - the collection of elements whose presence within me is to
be ensured
true iff I changed as a result of this callpublic void clear()
DoubleCollectionempty after this
method successfully returns.
clear in interface DoubleCollectionpublic boolean contains(double element)
DoubleCollectiontrue iff I contain
the specified element.
contains in interface DoubleCollectionelement - the value whose presence within me is to be tested
true iff I contain the specified elementpublic boolean containsAll(DoubleCollection c)
DoubleCollectiontrue iff I contain
all of the elements in the given collection.
containsAll in interface DoubleCollectionc - the collection of elements whose presence within me is to
be tested
true iff I contain the all the specified elementspublic boolean isEmpty()
DoubleCollectiontrue iff I contain no elements.
isEmpty in interface DoubleCollectiontrue iff I contain no elements.public boolean removeElement(double element)
DoubleCollection
removeElement in interface DoubleCollectionelement - 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(DoubleCollection c)
DoubleCollection
removeAll in interface DoubleCollectionc - 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(DoubleCollection c)
DoubleCollection
retainAll in interface DoubleCollectionc - the collection of elements to retain
true iff I changed as a result
of this callpublic double[] toArray()
DoubleCollectionsize.
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 DoubleCollectionpublic double[] toArray(double[] a)
DoubleCollectioniterator,
the returned array will contain elements in the
same order.
toArray in interface DoubleCollectiona - an array that may be used to contain the elements
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