What will the following code return<br /> <br /> list.stream().collect(Collectors.groupingBy(ClassA::getElement1,<br />                Collectors.averagingDouble(ClassA::getElement2)));
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 Q1. What will the following code return

list.stream().collect(Collectors.groupingBy(ClassA::getElement1,
               Collectors.averagingDouble(ClassA::getElement2)));
Core Java2018-04-10 15:00:20

Ans. Map<DataType1,DataType2> where DataType1 is the data type of element1 ( returned by getelement1 method ) and DataType2 is the data type of element2 ( returned by getElement2 method )

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