Interface Iterator

All Known Implementing Classes:

LinkedListOfDataIterator

public interface Iterator

This interface defines an iterator that will provide access to the members of a LinkedListOfData collection.

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.

Method Detail

hasNext

boolean hasNext()

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

Returns:

A boolean indicating whether there are more elements.

next

Data next()

This function returns the next Data element from this iterator.

Returns:

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