| Modifier and Type | Method and Description |
|---|---|
<U> Optional<U> |
Optional.flatMap(Function<T,Optional<U>> function) |
static Optional<String> |
Main.lookup(String name) |
static Optional<String> |
Main.lookup2(String name1) |
static <T> Optional<T> |
Optional.missing() |
static <T> Optional<T> |
Optional.present(T value) |
| Modifier and Type | Method and Description |
|---|---|
static String |
Main.toString(Optional<String> optional) |
| Modifier and Type | Method and Description |
|---|---|
<U> Optional<U> |
Optional.flatMap(Function<T,Optional<U>> function) |
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