scala基础4-for循环进阶

object Test {def main(args: Array[String]): Unit = {for (i <- 1 to 2; j <- 1 to 2) //嵌套循环，相当于java中的两个forprintln (100 * i + j)for (i <- 1 to 2; j <- 1 to 2 if i != j) //嵌套循环加条件判断，这个条件叫for的守卫println(100 * i + j)}}