SODA1127

fun main(args: Array<String>) {
    val sum = { x: Int, y: Int -> x + y } // (1)
    println("Sum ${sum(12,14)}")// (2)
    val anonymousMult = {x: Int -> (Random().nextInt(15)+1) * x}// (3)
    println("random output ${anonymousMult(2)}")// (4)
}

SODA1127

class ReactiveCalculator(a:Int, b:Int) {
    private val subjectAdd: Subject<Pair<Int, Int>> = PublishSubject.create()
    private val subjectSub: Subject<Pair<Int, Int>> = PublishSubject.create()
    private val subjectMult: Subject<Pair<Int, Int>> =PublishSubject.create()
    private val subjectDiv: Subject<Pair<Int, Int>> = PublishSubject.create()

    private val subjectCalc: Subject<ReactiveCalculator> = PublishSubject.create()

    private var nums:Pair<Int,Int> = Pair(0,0)

SODA1127

init{
    nums = Pair(a,b)

    subjectAdd.map { it.first+it.second }.subscribe {println("Add = $it")}
    subjectSub.map { it.first-it.second }.subscribe {println("Substract = $it")}
    subjectMult.map { it.first*it.second }.subscribe {println("Multiply = $it")}
    subjectDiv.map { it.first/(it.second*1.0) }.subscribe {println("Divide = $it")}

    subjectCalc.subscribe {
        with(it) {

SODA1127

class ReactiveCalculator(a:Int, b:Int) {
    private val subjectAdd: Subject<Pair<Int, Int>> = PublishSubject.create()
    private val subjectSub: Subject<Pair<Int, Int>> = PublishSubject.create()
    private val subjectMult: Subject<Pair<Int, Int>> =PublishSubject.create()
    private val subjectDiv: Subject<Pair<Int, Int>> = PublishSubject.create()

    private val subjectCalc: Subject<ReactiveCalculator> = PublishSubject.create()

    private var nums:Pair<Int,Int> = Pair(0,0)
    ...

SODA1127

fun main(args: Array<String>) {
    println("Initial Out put with a = 15, b = 10")
    val calculator = ReactiveCalculator(15, 10)

    println("Enter a = <number> or b = <number> in separate lines\nexit to exit the program")
    var line:String?
    do {
        line = readLine();
        calculator.handleInput(line)
    } while (line!= null && !line.toLowerCase().contains("exit"))

SODA1127

fun main(args: Array<String>) {
    var number = 4
    var isEven = isEven(number)
    println("The number is" + (if (isEven) "Even" else "Odd"))
    number = 9
    println("The number is" + (if (isEven) "Even" else "Odd"))
}

fun isEven(n: Int): Boolean = (n % 2 == 0)

SODA1127

/build