摘要:
fun main() { val list = (1..<10).toList() for (item in list) { println(item) } list.forEach { item-> println(item) } list.forEachIndexed{ index,item - 阅读全文
摘要:
if判断 var num = 1 var res = if (num == 1) { 2 } else { 1 } println(res) when var num = 1 var res = when (num) { in 1..10, is Int -> { println("num is i 阅读全文