Class java.util.Optional
| Added Methods | |
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void ifPresentOrElse(Consumer<?, |
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boolean isEmpty() |
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Optional<T> or(Supplier<Optional<? extends T>>) |
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T orElseThrow() |
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Stream<T> stream() |
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| Changed Methods | ||
|---|---|---|
Optional<U> flatMap(Function<?, |
Change in signature from (Function<? super T, Optional<U>>) to (Function<? super T, Optional<? extends U>>). |
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