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|Java - Interview Questions and Answers|
|Ans. Optional is to be used for arguments / atrributes which are indeed optional i.e the request should continue even if they aren't provided. It should not be used for mandatory attributes or arguments as we would like application to shout out ( with error message / exception trace ) to signify a problem.|
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|Like Discuss Correct / Improve  optional  nullpointerexception  java8  java 8 Asked in 1 Companies|
|What is the use of Optional ?|
|Name few "Optional" classes introduced with Java 8 ?|