https://grokonez.com/kotlin/kotlin-list-methods-max-maxby-maxwith
Kotlin List methods – max() maxBy() maxWith() example
In the tutorial, JavaSampleApproach will show how to use Kotlin List methods max()
, maxBy()
, maxWith()
.
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I. Kotlin List methods - max() maxBy() maxWith()
1. max()
max()
is used to return the largest element of an Iterable. It will return 'null' if there are no element.
Method signature:
// 1.
public fun Iterable.max(): Double?
// 2.
public fun Iterable.max(): Float?
Practice:
val simpleList = listOf(1.99, 55.4, 20.0, 99.99, 23.0, 34.2, 88.0, 72.1, 61.2, 43.9)
// public fun Iterable.max(): Double?
val largestElement = simpleList.max()
println(largestElement)
// ->
/*
99.99
*/
2. maxBy()
maxBy()
returns the first element having largest value of the given function selector: (T) -> R
or 'null' if there are no elements.
Method signature:
https://grokonez.com/kotlin/kotlin-list-methods-max-maxby-maxwith
Kotlin List methods – max() maxBy() maxWith() example
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