Kotlin Essential Training

Chapter 3 - Section 5

	fun main(args: Array<String>) {
		var num1 = 15
		val num2 = 10

		val sum = num1 + num2
		println("sum: $sum")
		val sum2 = num1.plus(num2)
		println("sum2: $sum2")

		val diff = num1 - num2
		println("diff: $diff")

		num1 ++
		println("num1: $num1")

		val num3 = num1.inc()
		println("num1: $num3")

		println("the value of n1 = ${++num1}")
		println ("num1=$num1")

	}