Computer scienceProgramming languagesKotlinTypes and data structuresOperations with collections

Grouping collections

Theory

Match functions and results

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Match the grouping functions with their descriptions:

Match the items from left and right columns
groupBy()
groupingBy()
Returns a grouping instance so that you can apply operations to all groups in a lazy way
Groups elements into a Map by the key; the value field has all the corresponding elements of the collection
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