September 2017 Update

Task/Null-object/Kotlin/null-object.kotlin

@@ -0,0 +1,9 @@
+// version 1.1.0
+
+fun main(args: Array<String>) {
+    val i: Int  = 3           // non-nullable Int type - can't be assigned null
+    println(i)
+    val j: Int? = null        // nullable Int type - can be assigned null
+    println(j)
+    println(null is Nothing?) // test that null is indeed of type Nothing?
+}