com.ibm.wala.util.collections
Class EmptyIntIterator

java.lang.Object
  com.ibm.wala.util.collections.EmptyIntIterator

All Implemented Interfaces:

IntIterator

public final class EmptyIntIterator
extends java.lang.Object
implements IntIterator

A singleton instance of an empty iterator; this is better than Collections.EMPTY_SET.iterator(), which allocates an iterator object;

Method Summary

boolean	hasNext()
static EmptyIntIterator	instance()
int	next()

Methods inherited from class java.lang.Object

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

Method Detail

instance

public static EmptyIntIterator instance()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface IntIterator

Returns:

true iff this iterator has a next element

next

public int next()
         throws java.util.NoSuchElementException

Specified by:

next in interface IntIterator

Returns:

next integer in the iteration

Throws:

java.util.NoSuchElementException