E - the type of elementspublic final class IndexedPeekIterator<E> extends Object implements Iterator<E>
IndexedPeekIterator is an Iterator which provides user a
peek() method to peek an element advanced, a getIndex()
method to get the index of last returned element and a getCurrent()
method to get the last returned element itself.| Constructor and Description |
|---|
IndexedPeekIterator(Iterator<? extends E> iterator)
Creates an
IndexedPeekIterator. |
| Modifier and Type | Method and Description |
|---|---|
E |
getCurrent()
Returns the last returned element.
|
int |
getIndex()
Returns the index of last returned element.
|
boolean |
hasNext() |
static <T> IndexedPeekIterator<T> |
newIndexedPeekIterator(Iterable<T> iter)
Creates an
IndexedPeekIterator by given Iterable. |
E |
next() |
E |
peek()
Peeks an element advanced.
|
void |
remove() |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitforEachRemainingpublic IndexedPeekIterator(Iterator<? extends E> iterator)
IndexedPeekIterator.iterator - an Iteratorpublic static <T> IndexedPeekIterator<T> newIndexedPeekIterator(Iterable<T> iter)
IndexedPeekIterator by given Iterable.T - the type of elementsiter - any IterableIndexedPeekIteratorpublic int getIndex()
public E getCurrent()
next() has never been
called, it returns null.public E peek()
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