How to Slice a List in Kotlin


How to Slice a List in Kotlin ?

Answer

To slice a list in Kotlin, you can use the subList method, which allows you to create a view of the list between the specified start and end indices.



✐ Examples

1 Slice a List of Integers

In this example,

  1. We create a list named numbers with integer values.
  2. We use the subList method on the list object numbers to create a new list from index 1 to index 3 (exclusive).
  3. The subList method returns a view of the specified range within the original list.
  4. Finally, we print the sliced list to standard output.

Kotlin Program

fun main() {
    val numbers = listOf(1, 2, 3, 4, 5)
    val slicedNumbers = numbers.subList(1, 4)
    println("Sliced list: $slicedNumbers")
}

Output

Sliced list: [2, 3, 4]

2 Slice a List of Strings

In this example,

  1. We create a list named words with string values.
  2. We use the subList method on the list object words to create a new list from index 2 to index 5 (exclusive).
  3. The subList method returns a view of the specified range within the original list.
  4. Finally, we print the sliced list to standard output.

Kotlin Program

fun main() {
    val words = listOf("apple", "banana", "cherry", "date", "elderberry")
    val slicedWords = words.subList(2, 5)
    println("Sliced list: $slicedWords")
}

Output

Sliced list: [cherry, date, elderberry]

Summary

In this tutorial, we learned How to Slice a List in Kotlin language with well detailed examples.




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