|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.claritysys.util.EmptyEnumeration
public final class EmptyEnumeration
EmptyEnumeration provides a memory-efficient way for methods to return an Enumeration which has no elements. Since there are no instance variables used it is also multi-thread safe.
To acquire an instance, invoke instance
.
Enumeration
Method Summary | |
---|---|
boolean |
hasMoreElements()
Return false. |
static java.util.Enumeration |
instance()
Return the instance. |
java.lang.Object |
nextElement()
Throw an exception if called. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static java.util.Enumeration instance()
public boolean hasMoreElements()
hasMoreElements
in interface java.util.Enumeration
public java.lang.Object nextElement()
nextElement
in interface java.util.Enumeration
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |