Class LinkedListOfDataIterator

java.lang.Object

LinkedListOfDataIterator

All Implemented Interfaces:

Iterator

public class LinkedListOfDataIterator
extends java.lang.Object
implements Iterator

This class implements the Iterator interface, thus providing a means to iterate through the Data objects in a LinkedListOfData collection.

Constructor Summary

Constructors

Constructor and Description
LinkedListOfDataIterator(LinkedListOfData.Node pointer) This constructor builds a new Iterator for iterating through the data stored in an LinkedListOfData.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext() This function returns a boolean value indicating whether the iterator has more Data elements that it can provide to the caller.
Data	next() This function returns the next Data element from this iterator.

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkedListOfDataIterator

public LinkedListOfDataIterator(LinkedListOfData.Node pointer)

This constructor builds a new Iterator for iterating through the data stored in an LinkedListOfData. To be able to accomplish this, this constructor takes a reference to the head Node of the LinkedListOfData.

Method Detail

hasNext

public boolean hasNext()

This function returns a boolean value indicating whether the iterator has more Data elements that it can provide to the caller.

Specified by:

hasNext in interface Iterator

Returns:

A boolean indicating whether there are more elements.

next

public Data next()

This function returns the next Data element from this iterator.

Specified by:

next in interface Iterator

Returns:

The next data element, or null if there are no more data elements.