How to get the length of an array in Scala

Overview

We can get the length of an array in Scala by using the length property. The length property returns the length of an array in Scala.

Syntax

array.length
length property syntax in Scala

Return value

An integer that represents the number of elements in an array.

Code example

object Main extends App {
    // create some arrays
    val randomNumbers = Array(34, 2, 5, 70, 1)
    val fruits = Array("Pineapple", "Banana", "Orange")
    val cgpas : Array[Double] = Array(3.4, 4.5, 2.5, 0.5)
    val names = new Array[String](3)
    names(0) = "Amara"
    names(1) = "Funke"
    names(2) = "Ade"
    // print length of arrays
    println(randomNumbers.length)
    println(fruits.length)
    println(cgpas.length)
    println(names.length)
}

Explanation

  • Lines 3–10: We create arrays using different methods that are available in Scala.
  • Lines 13–16: We obtain the lengths of the arrays by using the length property and then print these lengths to the console.

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