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Kotlin for each with index
Kotlin for each with index









kotlin for each with index

I am currently defending the third place on the top users list of the Kotlin tag on StackOverflow, and I wanted to make use of the bragging rights this gives me while I can. When you’re done with this one, read the second and third parts as well! Val anyMutableList2 = mutableListOf("bezkoder.This is the written version of a talk I gave recently, and since it was quite long, this is the first of three articles about it. Val anyMutableList1 = mutableListOf ("", 2019, "kotlin") Val intMutableList = mutableListOf (1, 2, 3) Val anyList3 = listOfNotNull("", 2019, null)

kotlin for each with index

Val stringList = listOf ("", "programming", "tutorial")

  • create new List, MutableList from another List, MutableList with the same elements using toList(), toMutableList() functions.
  • create new List, MutableList using Initializer functions.
  • initialize MutableList using mutableListOf().
  • initialize List using listOf() and listOfNotNull() functions.
  • Kotlin Initialize List, MutableList with values Val anyMutableList: MutableList = mutableListOf () Val stringMutableList: MutableList = mutableListOf () Val intMutableList: MutableList = mutableListOf () For different data types, or for object types, we’re gonna use Any. We can specify the type of items in the List ( Int, String…).

    kotlin for each with index

    We create a new empty List, MutableList using mutableListOf() method.

    kotlin for each with index

  • List & MutableList allows duplicates and null values.
  • List & MutableList are ordered collections in which the insertion order of the items is maintained.
  • MutableList inherites List and supports read/write access, you can add, update or remove items.
  • List is read-only (immutable), you cannot add or update items in the original list.
  • These are some important points you should know before working with Kotlin MutableList: Important points about Kotlin List & MutableList
  • Kotlin Initialize List, MutableList with values.
  • Important points about Kotlin List & MutableList.










  • Kotlin for each with index