Class TweetQueue.Iter

java.lang.Object

TweetQueue.Iter

Enclosing class:

TweetQueue

protected class TweetQueue.Iter
extends java.lang.Object

This class provides basic iterator functionality to iterate over the elements in the Queue without changing the Queue. The intent is to provide flexibility for adding more functionality through inheritance.

Constructor Summary

Constructors

Constructor and Description
TweetQueue.Iter(TweetQueue.Node start)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNext() This method is used to determine whether the iterator has reached the end of the Queue.
Tweet	next() Returns the next Tweet in the Queue.

Methods inherited from class java.lang.Object

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

Constructor Detail

TweetQueue.Iter

public TweetQueue.Iter(TweetQueue.Node start)

Method Detail

hasNext

public boolean hasNext()

This method is used to determine whether the iterator has reached the end of the Queue.

Returns:

true if the iterator has not reached the end of the Queue

next

public Tweet next()

Returns the next Tweet in the Queue. Note: this means calling it consecutively generally gives different results.

Returns:

the next Tweet in the Queue