edu.wisc.cs.util
Interface PeekIterator

public interface PeekIterator

extends java.util.Iterator

This interface extends the java.util.Iterator, adding a method to peek at the next element.

Method Summary

java.lang.Object

peek() Returns the next object in the iterator, but does move past it.

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Method Detail

peek

public java.lang.Object peek()

Returns the next object in the iterator, but does move past it. This method should behave exactly as the next method, but does not move past the element returned in the iterator.

Returns:

the next object in the iterator.

Throws:

NoSuchElementException - if there is are no elements in the iterator.