## Uses of Class
org.zkoss.zel.impl.stream.Optional

- Packages that use Optional
  Package | Description
  --- | ---
  org.zkoss.zel.impl.stream |

- - ### Uses of Optional in org.zkoss.zel.impl.stream

    Methods in org.zkoss.zel.impl.stream that return Optional
    Modifier and Type | Method | Description
    --- | --- | ---
    `Optional` | Stream.`allMatch​(LambdaExpression le)` |
    `Optional` | Stream.`anyMatch​(LambdaExpression le)` |
    `Optional` | Stream.`average()` |
    `Optional` | Stream.`findFirst()` |
    `Optional` | Stream.`max()` |
    `Optional` | Stream.`max​(LambdaExpression le)` |
    `Optional` | Stream.`min()` |
    `Optional` | Stream.`min​(LambdaExpression le)` |
    `Optional` | Stream.`noneMatch​(LambdaExpression le)` |
    `Optional` | Stream.`reduce​(LambdaExpression le)` |