TreeMap.TreeIterator

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java.util
Class TreeMap.TreeIterator

java.lang.Object
  java.util.TreeMap.TreeIterator

All Implemented Interfaces:: Iterator

Enclosing class:: TreeMap

private final class TreeMap.TreeIterator
extends java.lang.Object
implements Iterator

Iterate over TreeMap's entries. This implementation is parameterized to give a sequential view of keys, values, or entries.

Field Summary

private int knownMod
          The number of modifications to the backing Map that we know about.

private TreeMap.Node last
          The last Entry returned by a next() call.

private TreeMap.Node max
          The last node visible to this iterator.

private TreeMap.Node next
          The next entry that should be returned by next().

private int type
          The type of this Iterator: AbstractMap.KEYS 55 , AbstractMap.VALUES 55 , or AbstractMap.ENTRIES 55 .

Constructor Summary

(package private) TreeMap.TreeIterator(int type)
          Construct a new TreeIterator with the supplied type.

(package private) TreeMap.TreeIterator(int type, TreeMap.Node first, TreeMap.Node max)
          Construct a new TreeIterator with the supplied type.

Method Summary

boolean hasNext()
          Returns true if the Iterator has more elements.

java.lang.Object next()
          Returns the next element in the Iterator's sequential view.

void remove()
          Removes from the backing TreeMap the last element which was fetched with the next() method.

Methods inherited from class java.lang.Object

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

Field Detail

type

private final int type

The type of this Iterator: AbstractMap.KEYS 55 , AbstractMap.VALUES 55 , or AbstractMap.ENTRIES 55 .

knownMod

private int knownMod

The number of modifications to the backing Map that we know about.

last

private TreeMap.Node last

The last Entry returned by a next() call.

private TreeMap.Node next

The next entry that should be returned by next().

max

private final TreeMap.Node max

The last node visible to this iterator. This is used when iterating on a SubMap.

Constructor Detail