net.sf.japi.util
Class EmptyIterator<T>

java.lang.Object
  net.sf.japi.util.EmptyIterator<T>

All Implemented Interfaces:

Iterator<T>

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

An iterator that never returns elements and thus is always empty.

Author:

Christian Hujer

Constructor Summary

EmptyIterator()
Create an Empty Iterator.

Method Summary

boolean	hasNext()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyIterator

public EmptyIterator()

Create an Empty Iterator. Please note that this class does not hold any state. The Constructor only exists for convenient Generics programming. It makes sense to store an empty iterator somewhere and reuse it, eventually even in a static final variable.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()
       throws NoSuchElementException

Specified by:

next in interface Iterator<T>

Throws:

NoSuchElementException

remove

public void remove()

Specified by:

remove in interface Iterator<T>