Data commit

Task/Conditional-structures/Kotlin/conditional-structures.kotlin

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+// version 1.0.6
+
+fun main(args: Array<String>) {
+    // conventional 'if/else if/else' statement
+    if (args.isEmpty()) println("No arguments were supplied")
+    else if (args.size == 1) println("One argument was supplied")
+    else println("${args.size} arguments were supplied")
+
+    print("Enter an integer : ")
+    val i = readLine()!!.toInt()
+
+    // 'when' statement (similar to 'switch' in C family languages)
+    when (i) {
+        0, 1      -> println("0 or 1")
+        in 2 .. 9 -> println("Between 2 and 9")
+        else      -> println("Out of range")
+    }
+
+    // both of these can be used as expressions as well as statements
+    val s = if (i < 0) "negative" else "non-negative"
+    println("$i is $s")
+    val t = when {
+        i > 0  -> "positive"
+        i == 0 -> "zero"
+        else   -> "negative"
+    }
+    println("$i is $t")
+}