com.Ostermiller.util Java Utilities


com.Ostermiller.util
Class ArrayIterator<ElementType>

java.lang.Object
  extended by com.Ostermiller.util.ArrayIterator<ElementType>
Type Parameters:
ElementType - Type of array over which to iterate
All Implemented Interfaces:
Iterator<ElementType>

public class ArrayIterator<ElementType>
extends Object
implements Iterator<ElementType>

Converts an array to an iterator.

More information about this class is available from ostermiller.org.

Since:
ostermillerutils 1.03.00
Author:
Stephen Ostermiller http://ostermiller.org/contact.pl?regarding=Java+Utilities

Constructor Summary
ArrayIterator(ElementType[] array)
          Create an Iterator from an Array.
 
Method Summary
 boolean hasNext()
          Tests if this Iterator contains more elements.
 ElementType next()
          Returns the next element of this Iterator if this Iterator object has at least one more element to provide.
 void remove()
          Removes the last object from the array by setting the slot in the array to null.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ArrayIterator

public ArrayIterator(ElementType[] array)
Create an Iterator from an Array.

Parameters:
array - of objects on which to enumerate.
Since:
ostermillerutils 1.03.00
Method Detail

hasNext

public boolean hasNext()
Tests if this Iterator contains more elements.

Specified by:
hasNext in interface Iterator<ElementType>
Returns:
true if and only if this Iterator object contains at least one more element to provide; false otherwise.
Since:
ostermillerutils 1.03.00

next

public ElementType next()
                 throws NoSuchElementException
Returns the next element of this Iterator if this Iterator object has at least one more element to provide.

Specified by:
next in interface Iterator<ElementType>
Returns:
the next element of this Iterator.
Throws:
NoSuchElementException - if no more elements exist.
Since:
ostermillerutils 1.03.00

remove

public void remove()
Removes the last object from the array by setting the slot in the array to null. This method can be called only once per call to next.

Specified by:
remove in interface Iterator<ElementType>
Throws:
IllegalStateException - if the next method has not yet been called, or the remove method has already been called after the last call to the next method.
Since:
ostermillerutils 1.03.00

com.Ostermiller.util Java Utilities


Copyright © 2001-2012 by Stephen Ostermiller