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|Java - Interview Questions and Answers|
|Rarely asked as it was introduced with Java 8.|
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|What is a Lambda Expression ? What's its use ?|
|Difference between final and effectively final ? Why is effectively final even required ?|
|Difference between Predicate, Supplier and Consumer ?|
|What is StringJoiner ?|
|Does java allow implementation of multiple interfaces having Default methods with Same name and Signature ?|
|What are Default Methods ?|
|Can we use static method definitions in Interfaces ?|
|What is the use of Optional ?|
|Is it ok to use optional everywhere just to get over nullpointerexception ?|
|What are few of the Annotations pre defined by Java?|