16.while和do-while

fun main(args: Array<String>) {
    var a=0
    while (a<=100){
        println(a)
        a++
    }
    a=0
    println("\n\n")
    do {
        println(a)
        a++
    }while (a<=100)
}

简单的语法和java一样,do-while会先走循环体