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java.lang.Objectorg.apache.commons.collections.primitives.adapters.ListIteratorDoubleListIterator
public class ListIteratorDoubleListIterator
Adapts a Number
-valued ListIterator
to the DoubleListIterator
interface.
DoubleListIterator
implementation in the "obvious" way.
Field Summary | |
---|---|
private java.util.ListIterator |
_iterator
|
Constructor Summary | |
---|---|
ListIteratorDoubleListIterator(java.util.ListIterator iterator)
Creates an DoubleListIterator wrapping
the specified ListIterator . |
Method Summary | |
---|---|
void |
add(double element)
Inserts the specified element into my underlying collection (optional operation). |
boolean |
hasNext()
Returns true iff I have more elements
when traversed in the forward direction. |
boolean |
hasPrevious()
Returns true iff I have more elements
when traversed in the reverse direction. |
double |
next()
Returns the next element in me when traversed in the forward direction. |
int |
nextIndex()
Returns the index of the element that would be returned by a subsequent call to DoubleListIterator.next() , or the number
of elements in my iteration if I have no next element. |
double |
previous()
Returns the next element in me when traversed in the reverse direction. |
int |
previousIndex()
Returns the index of the element that would be returned by a subsequent call to DoubleListIterator.previous() , or
-1 if I have no previous element. |
void |
remove()
Removes from my underlying collection the last element returned by DoubleListIterator.next() or DoubleListIterator.previous()
(optional operation). |
void |
set(double element)
Replaces in my underlying collection the last element returned by DoubleListIterator.next() or DoubleListIterator.previous()
with the specified value (optional operation). |
static DoubleListIterator |
wrap(java.util.ListIterator iterator)
Create an DoubleListIterator wrapping
the specified ListIterator . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
private java.util.ListIterator _iterator
Constructor Detail |
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public ListIteratorDoubleListIterator(java.util.ListIterator iterator)
DoubleListIterator
wrapping
the specified ListIterator
.
wrap(java.util.ListIterator)
Method Detail |
---|
public static DoubleListIterator wrap(java.util.ListIterator iterator)
DoubleListIterator
wrapping
the specified ListIterator
. When
the given iterator is null
,
returns null
.
iterator
- the (possibly null
)
ListIterator
to wrap
DoubleListIterator
wrapping the given
iterator, or null
when iterator is
null
.public int nextIndex()
DoubleListIterator
DoubleListIterator.next()
, or the number
of elements in my iteration if I have no next element.
nextIndex
in interface DoubleListIterator
public int previousIndex()
DoubleListIterator
DoubleListIterator.previous()
, or
-1
if I have no previous element.
previousIndex
in interface DoubleListIterator
public boolean hasNext()
DoubleListIterator
true
iff I have more elements
when traversed in the forward direction.
(In other words, returns true
iff
a call to DoubleListIterator.next()
will return an element
rather than throwing an exception.
hasNext
in interface DoubleIterator
hasNext
in interface DoubleListIterator
true
iff I have more elements when
traversed in the forward directionpublic boolean hasPrevious()
DoubleListIterator
true
iff I have more elements
when traversed in the reverse direction.
(In other words, returns true
iff
a call to DoubleListIterator.previous()
will return an element
rather than throwing an exception.
hasPrevious
in interface DoubleListIterator
true
iff I have more elements when
traversed in the reverse directionpublic double next()
DoubleListIterator
next
in interface DoubleIterator
next
in interface DoubleListIterator
public double previous()
DoubleListIterator
previous
in interface DoubleListIterator
public void add(double element)
DoubleListIterator
DoubleListIterator.next()
, if any,
and immediately after the next element that would have been
returned by DoubleListIterator.previous()
, if any.
The new element is inserted immediately before the implied
cursor. A subsequent call to DoubleListIterator.previous()
will return
the added element, a subsequent call to DoubleListIterator.next()
will
be unaffected. This call increases by one the value that
would be returned by a call to DoubleListIterator.nextIndex()
or
DoubleListIterator.previousIndex()
.
add
in interface DoubleListIterator
element
- the value to be insertedpublic void set(double element)
DoubleListIterator
DoubleListIterator.next()
or DoubleListIterator.previous()
with the specified value (optional operation).
set
in interface DoubleListIterator
element
- the value to replace the last returned element withpublic void remove()
DoubleListIterator
DoubleListIterator.next()
or DoubleListIterator.previous()
(optional operation).
remove
in interface DoubleIterator
remove
in interface DoubleListIterator
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