LinkedList.LinkedListItr

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java.util
Class LinkedList.LinkedListItr

java.lang.Object
  java.util.LinkedList.LinkedListItr

All Implemented Interfaces:: Iterator, ListIterator

Enclosing class:: LinkedList

private final class LinkedList.LinkedListItr
extends java.lang.Object
implements ListIterator

A ListIterator over the list. This class keeps track of its position in the list and the two list entries it is between.

Field Summary

private int knownMod
          Number of modifications we know about.

private LinkedList.Entry lastReturned
          Entry that will be affected by remove() or set().

private LinkedList.Entry next
          Entry that will be returned by next().

private int position
          Index of `next'.

private LinkedList.Entry previous
          Entry that will be returned by previous().

Constructor Summary

(package private) LinkedList.LinkedListItr(int index)
          Initialize the iterator.

Method Summary

void add(java.lang.Object o)
          Adds an element between the previous and next, and advance to the next.

private void checkMod()
          Checks for iterator consistency.

boolean hasNext()
          Returns true if more elements exist via next.

boolean hasPrevious()
          Returns true if more elements exist via previous.

java.lang.Object next()
          Returns the next element.

int nextIndex()
          Returns the index of the next element.

java.lang.Object previous()
          Returns the previous element.

int previousIndex()
          Returns the index of the previous element.

void remove()
          Remove the most recently returned element from the list.

void set(java.lang.Object o)
          Changes the contents of the element most recently returned.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

knownMod

private int knownMod

Number of modifications we know about.

private LinkedList.Entry next

Entry that will be returned by next().

private LinkedList.Entry previous

Entry that will be returned by previous().

lastReturned

private LinkedList.Entry lastReturned

Entry that will be affected by remove() or set().

position

private int position

Index of `next'.

Constructor Detail