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| Packages that use Optional | |
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| com.google.common.base | Basic utility libraries and interfaces. |
| Uses of Optional in com.google.common.base |
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| Methods in com.google.common.base that return Optional | ||
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static
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Optional.absent()
Returns an Optional instance with no contained reference. |
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static
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Optional.fromNullable(T nullableReference)
If nullableReference is non-null, returns an Optional instance containing that
reference; otherwise returns absent(). |
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static
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Optional.of(T reference)
Returns an Optional instance containing the given non-null reference. |
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abstract Optional<T> |
Optional.or(Optional<? extends T> secondChoice)
Returns this Optional if it has a value present; secondChoice
otherwise. |
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| Methods in com.google.common.base with parameters of type Optional | |
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abstract Optional<T> |
Optional.or(Optional<? extends T> secondChoice)
Returns this Optional if it has a value present; secondChoice
otherwise. |
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