Package com.google.common.collect

Class UnmodifiableIterator<E extends @Nullable Object>

java.lang.Object

com.google.common.collect.UnmodifiableIterator<E>

All Implemented Interfaces:

Iterator<E>

Direct Known Subclasses:

AbstractIterator, AbstractSequentialIterator, UnmodifiableListIterator

@GwtCompatible
public abstract class UnmodifiableIterator<E extends @Nullable Object>
extends Object
implements Iterator<E>

An iterator that does not support remove().

UnmodifiableIterator is used primarily in conjunction with implementations of ImmutableCollection, such as ImmutableList. You can, however, convert an existing iterator to an UnmodifiableIterator using Iterators.unmodifiableIterator(java.util.Iterator<? extends T>).

Since:

2.0

Author:

Jared Levy

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	UnmodifiableIterator()	Constructor for use by subclasses.

Method Summary

Modifier and Type	Method	Description
void	remove()	Deprecated. Unsupported operation.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next

Constructor Detail

UnmodifiableIterator

protected UnmodifiableIterator()

Constructor for use by subclasses.

Method Detail

remove

@Deprecated
public final void remove()

Deprecated.

Unsupported operation.

Guaranteed to throw an exception and leave the underlying data unmodified.

Specified by:

remove in interface Iterator<E extends @Nullable Object>

Throws:

UnsupportedOperationException - always