Package com.cedarsoftware.io.util

Class EmptyIterator<T>

java.lang.Object

com.cedarsoftware.io.util.EmptyIterator<T>

All Implemented Interfaces:

Iterator<T>

public class EmptyIterator<T>
extends Object
implements Iterator<T>

Author:

John DeRegnaucourt ([email protected])
Copyright (c) Cedar Software LLC

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

License

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Constructor Summary

Constructors

Constructor	Description
EmptyIterator()

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Returns false as there are no elements to iterate.
T	next()	Throws NoSuchElementException because there are no elements to return.
void	remove()	Throws UnsupportedOperationException because this operation is not supported by the empty 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.Iterator

forEachRemaining

Constructor Details

EmptyIterator

public EmptyIterator()

Method Details

hasNext

public boolean hasNext()

Returns false as there are no elements to iterate.

Specified by:

hasNext in interface Iterator<T>

Returns:

false always.

next

public T next()

Throws NoSuchElementException because there are no elements to return.

Specified by:

next in interface Iterator<T>

Returns:

nothing.

Throws:

NoSuchElementException - always thrown.

remove

public void remove()

Throws UnsupportedOperationException because this operation is not supported by the empty iterator.

Specified by:

remove in interface Iterator<T>

Throws:

UnsupportedOperationException - always thrown.