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|Core java - Interview Questions and Answers for 'Kayak.com' - 1 question(s) found - Order By Newest|
|Frequently asked these days as there are major changes in Java 8.|
|Ans. Lambda Expressions , Interface Default and Static Methods , Method Reference , Parameters Name , Optional , Streams, Concurrency.|
Sample Code for Lambda
Sample Code for interface default
Sample Code for Optional
Sample Code for Streams
Sample Code for java.time
Sample Code for Predicate
Sample Code for Consumer
Sample Code for MapMerge
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|Like Discuss Correct / Improve java java8 technical lead technical architect Kayak.com Luxoft Overstock.com Span Infotech Wealthfront EMC L&T Infotech Vistana Luxoft GoodData DreamWorks Animation Cognizant (CTS) Overstock Nucleus expert   frequent|
|Difference between final and effectively final ? Why is effectively final even required ?|
|What is StringJoiner ?|
|Why can't we have diamond problem with interfaces ?|
|What is the use of Optional ?|
|Is it ok to use optional everywhere just to get over nullpointerexception ?|
|What is the @FunctionalInterface annotation ?|
|Difference between DoubleSummaryStatistics , IntSummaryStatistics and LongSummaryStatistics ?|
|Name few "Optional" classes introduced with Java 8 ?|
|What are the changes in Java.io in Java 8 ?|