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Class DataStructures.LinkedListItr

java.lang.Object
    |
    +----DataStructures.LinkedListItr

public class LinkedListItr
extends Object
Linked list implementation of the list iterator using a header node.

See Also:
LinkedList

Method Index

 o advance()
Advance the current position to the next node in the list.
 o isPastEnd()
Test if the current position is past the end of the list.
 o retrieve()
Return the item stored in the current position.

Methods

 o isPastEnd
public boolean isPastEnd()
Test if the current position is past the end of the list.

Returns:
true if the current position is null.
 o retrieve
public Object retrieve()
Return the item stored in the current position.

Returns:
the stored item or null if the current position is not in the list.
 o advance
public void advance()
Advance the current position to the next node in the list. If the current position is null, then do nothing.


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