Package com.ibm.wala.util.collections

Class EmptyIterator<T>

java.lang.Object

com.ibm.wala.util.collections.EmptyIterator<T>

All Implemented Interfaces:

Iterator<T>

public final class EmptyIterator<T>
extends Object
implements Iterator<T>

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

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
static <T> EmptyIterator<T>	instance()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Method Details

instance

public static <T> EmptyIterator<T> instance()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()
            throws UnsupportedOperationException

Specified by:

remove in interface Iterator<T>

Throws:

UnsupportedOperationException