Can you explain filter and collectors in java 8 ?
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 Q1. Can you explain filter and collectors in java 8 ?Core Java2018-05-03 08:42:37

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Related Questions
 What are we doing here

list.stream().collect(Collectors.groupingBy(ClassA::getElement1,
               Collectors.averagingDouble(ClassA::getelement2)));
 What will the following code return

list.stream().collect(Collectors.groupingBy(ClassA::getElement1,
               Collectors.averagingDouble(ClassA::getElement2)));

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