public class Optional
extends java.lang.Object
| Modifier and Type | Method and Description |
|---|---|
java.lang.Object |
get() |
void |
ifPresent(javax.el.LambdaExpression lambda) |
boolean |
isPresent() |
java.lang.Object |
orElse(java.lang.Object other) |
java.lang.Object |
orElseGet(javax.el.LambdaExpression other) |