June 2018 Update

Task/Singly-linked-list-Element-definition/Scala/singly-linked-list-element-definition-1.scala

@@ -1,4 +1,8 @@
-class Node(n: Int, link: Node) {
-  var data = n
-  var next =  link
+sealed trait List[+A]
+case class Cons[+A](head: A, tail: List[A]) extends List[A]
+case object Nil extends List[Nothing]
+
+object List {
+  def apply[A](as: A*): List[A] =
+    if (as.isEmpty) Nil else Cons(as.head, apply(as.tail: _*))
 }

Task/Singly-linked-list-Element-definition/Scala/singly-linked-list-element-definition-2.scala

@@ -1,11 +1,3 @@
-class Node {
-  var data: Int
-  var next = this
-
-  def this(n: Int, link: Node) {
-    this()
-    if (next != null){
-      data = n
-      next = link
-    }
-  }
+def main(args: Array[String]): Unit = {
+  val words = List("Rosetta", "Code", "Scala", "Example")
+}