Question

How to create 2D list in Scala

Answer 1

val lst = List(List(3, 5, 6), List(8, 9))

println(lst)
println(lst.length)
        
println()
        
println(lst(0)(0))
println(lst(0)(1))



/*
run:

List(List(3, 5, 6), List(8, 9))
2

3
5

*/

 

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Answer 2

object O {
    def main(args: Array[String]): Unit = {
        val lst = List(List(3, 5, 6), List(8, 9))

        println(lst)
        println(lst.length)
            
        println()
        
        println(lst(0)(0))
        println(lst(1)(0))
    }
}





/*
run:

List(List(3, 5, 6), List(8, 9))
2

3
8

*/

 

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