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java.lang.Objectorg.apache.commons.collections.primitives.adapters.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 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 previous() , or
-1 if I have no previous element. |
void |
remove()
Removes from my underlying collection the last element returned by next() or previous()
(optional operation). |
void |
set(double element)
Replaces in my underlying collection the last element returned by next() or 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 |
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 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 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 DoubleListIterator
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