The new version of Java is here! But you cannot migrate at this moment, that is not a problem, because you can do it partially.
If this is you problem, then you are in right place. :)
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The new version of Java is here! But you cannot migrate at this moment, that is not a problem, because you can do it partially.
If this is you problem, then you are in right place. :)
Optional is a container object that may or may not contain a non-null value. If a value is present, isPresent()
will return true
and get()
will return the value.
Package : java.util
public final class Optional<T>
extendsObject