Home » Code Examples » Scala Code Examples

Scala - How to get a random element from a list of elements? Code Example

The code for How to get a random element from a list of elements?

// Importing library
import scala.util.Random

object Example {
    def main(args: Array[String]) = {
        // Defining a list
        val cities = List(
            "New Delhi",
            "Mumbai",
            "Chennia",
            "Banglore",
            "Bhopal",
            "Manglore",
            "Kerala"
        )
        
        // Creating a new random variable
        val random = new Random    
        
        // Getting a random elements and printing it
        var result = cities(random.nextInt(cities.length))
        println(result)

        result = cities(random.nextInt(cities.length))
        println(result)

        result = cities(random.nextInt(cities.length))
        println(result)        
    }
}    

/*
Output:
RUN 1:
Banglore
Banglore
Chennia

RUN 2:
Bhopal
Manglore
Mumbai
*/