|
Runtime | |||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
public interface INullObject
A specification of classes that implement the Null Object pattern.
Implementors of this interface have a unique instance that represents a
pointer-safe null. The interpretation of null
may vary; it may mean absence of a value, invalid value, etc.
API clients should not implement this interface.
| Method Summary | |
|---|---|
boolean |
isNull()
Queries whether this is the null instance of a
given implementation class. |
| Method Detail |
|---|
boolean isNull()
this is the null instance of a
given implementation class. The null instance must be unique.
true if I am the special "null" instance;
false, otherwise
|
Runtime | |||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.