Kotlin collection methods – groupBy(), sumByDouble(), mapValues(), toSortedMap() example

In the tutorial, Grokonez will show you how to combine Kotlin collection methods: groupBy(), sumByDouble() with Kotlin List and mapValues(), toSortedMap() with Kotlin Map.

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Kotlin Sort Object List with Kotlin Selector function – crossinline selector: (T) -> R?

In the tutorial, JavaSampleApproach will show you how to Sort Kotlin Object List with Kotlin Selector function – crossinline selector: (T) -> R?

Related posts:
Sort List of Objects with Kotlin Comparator Example
Sort List of Objects with Kotlin Comparable
Kotlin Binary Search for Object List with Comparison function – comparison: (T) -> Int
Kotlin Binary Search for Object List with Selector function – crossinline selector: (T) -> K?

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