randomSample
Draws a random sample of n elements without replacement.
Uses a partial Fisher-Yates shuffle to select n elements in O(n) time. Each element can appear at most once in the result. The collection is materialized to a mutable list internally.
Example:
listOf(1, 2, 3, 4, 5).randomSample(3) // e.g. [4, 1, 5]Content copied to clipboard
Return
a list of n randomly selected elements.
Parameters
n
the number of elements to draw. Must be between 0 and the collection size.
random
the random number generator. Defaults to Random.
Type Parameters
T
the type of elements.