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|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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|Difference between final and effectively final ? Why is effectively final even required ?|
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|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 ?|