// Kotlin Collections Example
// Source code file Collectons.kt
// Create and read from an array
// and a hash table.

fun main(args: Array<String>) {

    // Create an array and print its items.
    var a : Array<Int> =
            arrayOf(4, 2, 6, 9, 7)

    println(a[3])
    println(a)  // <-- Not useful.

    // Print using index.
    println( )
    for(i in 0..4) {
        print(a[i].toString( ) + " ")
    }

    // For-each style.
    println( )
    for(n in a) {
        print(n.toString( ) + " ")
    }

    // Create a hashmap and print its items.
    var h : HashMap<String, String> =
            hashMapOf("name" to "Alice",
                    "gender" to "F",
                    "age" to "11")
    println( )
    println(h)
    println(h["age"])
    for((key, value) in h) {
        println("$key=$value")
    }
}