public class Optional<T> extends Object
Modifier and Type | Method and Description |
---|---|
static <T> Optional<T> |
empty() |
T |
getValue() |
boolean |
isSet() |
static <T> Optional<T> |
of(T value) |
void |
then(UnaryProcedure<T> func) |
public boolean isSet()
public T getValue()
public void then(UnaryProcedure<T> func)
public static <T> Optional<T> of(T value)
public static <T> Optional<T> empty()
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