com.Ostermiller.util

Class ArrayIterator<ElementType>

java.lang.Object

com.Ostermiller.util.ArrayIterator<ElementType>

Type Parameters:

ElementType - Type of array over which to iterate

All Implemented Interfaces:

java.util.Iterator<ElementType>

public class ArrayIterator<ElementType>
extends java.lang.Object
implements java.util.Iterator<ElementType>

Converts an array to an iterator.

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

Since:

ostermillerutils 1.03.00

Constructor Summary

Constructors

Constructor and Description
ArrayIterator(ElementType[] array) Create an Iterator from an Array.

Method Summary

Modifier and Type	Method and Description
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

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

Methods inherited from interface java.util.Iterator

forEachRemaining

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 java.util.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 java.util.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 java.util.Iterator<ElementType>

Returns:

the next element of this Iterator.

Throws:

java.util.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 java.util.Iterator<ElementType>

Throws:

java.lang.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