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java.util
Class Collections.UnmodifiableListIterator  

java.lang.Object
  java.util.Collections.UnmodifiableIterator
      java.util.Collections.UnmodifiableListIterator

All Implemented Interfaces:

Iterator, ListIterator

Enclosing class:

Collections

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private static final class Collections.UnmodifiableListIterator

extends Collections.UnmodifiableIterator

implements ListIterator

The implementation of UnmodifiableList#listIterator().

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Field Summary
private  ListIterator	li           The wrapped iterator, stored both here and in the superclass to avoid excessive casting.

 

Constructor Summary
(package private)	Collections.UnmodifiableListIterator(ListIterator li)           Only trusted code creates a wrapper.

 

Method Summary
void	add(java.lang.Object o)           Blocks the addition of an object to the list underlying this iterator.
boolean	hasNext()           Tests whether there are still elements to be retrieved from the underlying collection by next().
boolean	hasPrevious()           Tests whether there are still elements to be retrieved from the underlying collection by previous().
java.lang.Object	next()           Obtains the next element in the underlying collection.
int	nextIndex()           Find the index of the element that would be returned by a call to next.
java.lang.Object	previous()           Obtains the previous element in the underlying list.
int	previousIndex()           Find the index of the element that would be returned by a call to previous.
void	remove()           Blocks the removal of elements from the underlying collection by the iterator.
void	set(java.lang.Object o)           Blocks the replacement of an element in the list underlying this iterator.

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface java.util.ListIterator

hasNext, next, remove

 

Field Detail

li

private final ListIterator li

The wrapped iterator, stored both here and in the superclass to avoid excessive casting.

Constructor Detail

Collections.UnmodifiableListIterator

Collections.UnmodifiableListIterator(ListIterator li)

Only trusted code creates a wrapper.

Method Detail

add

public void add(java.lang.Object o)

Blocks the addition of an object to the list underlying this iterator. This method never returns, throwing an exception instead.

Specified by:

add in interface ListIterator

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hasPrevious

public boolean hasPrevious()

Tests whether there are still elements to be retrieved from the underlying collection by previous(). When this method returns true, an exception will not be thrown on calling previous().

Specified by:

hasPrevious in interface ListIterator

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nextIndex

public int nextIndex()

Find the index of the element that would be returned by a call to next. If hasNext() returns false, this returns the list size.

Specified by:

nextIndex in interface ListIterator

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previous

public java.lang.Object previous()

Obtains the previous element in the underlying list.

Specified by:

previous in interface ListIterator

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previousIndex

public int previousIndex()

Find the index of the element that would be returned by a call to previous. If hasPrevious() returns false, this returns -1.

Specified by:

previousIndex in interface ListIterator

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set

public void set(java.lang.Object o)

Blocks the replacement of an element in the list underlying this iterator. This method never returns, throwing an exception instead.

Specified by:

set in interface ListIterator

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next

public java.lang.Object next()

Obtains the next element in the underlying collection.

Specified by:

next in interface Iterator

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hasNext

public boolean hasNext()

Tests whether there are still elements to be retrieved from the underlying collection by next(). When this method returns true, an exception will not be thrown on calling next().

Specified by:

hasNext in interface Iterator

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remove

public void remove()

Blocks the removal of elements from the underlying collection by the iterator.

Specified by:

remove in interface Iterator

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