kotlin-stdlib/kotlin.collections/mutableListOf

mutableListOf

inline fun <T> mutableListOf(): MutableList<T>(source)

Returns an empty new MutableList.

Since Kotlin

1.1

Samples

import kotlin.test.*

fun main() { 
   //sampleStart 
   val list = mutableListOf<Int>()
println("list.isEmpty() is ${list.isEmpty()}") // true

list.addAll(listOf(1, 2, 3))
println(list) // [1, 2, 3] 
   //sampleEnd
}
fun <T> mutableListOf(vararg elements: T): MutableList<T>(source)

Returns a new MutableList with the given elements.

Since Kotlin

1.0

Samples

import kotlin.test.*

fun main() { 
   //sampleStart 
   val list = mutableListOf(1, 2, 3)
println(list) // [1, 2, 3]

list += listOf(4, 5)
println(list) // [1, 2, 3, 4, 5] 
   //sampleEnd
}