Hey Is it possible to swap two elements in a mutableList Can kotlinlang #announcements

Hey! Is it possible to swap two elements in a muta...

klizter

03/22/2019, 8:57 AM

Hey! Is it possible to swap two elements in a mutableList? Can’t find any swap method.

Guru

03/22/2019, 9:09 AM

Copy code

val m = mutableListOf<Int>(1,2,3)
    m.set(0,2)
    m.set(1,1)
    println(m)

Guru

03/22/2019, 9:10 AM

there is no swap method. you can write extension method.

Dico

03/22/2019, 10:27 AM

If you're on JVM, you could use

Collections.swap

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