摘要:
val a = Array(2, 4, 5, 6) val result = for(elem <- a) yield 2 * elem //result = (4,8, 10, 12) val result1 = for(elem <- a if elem % 2 == 0) yield 2 * 阅读全文
posted @ 2017-03-25 19:17 paulingzhou 阅读(235) 评论(0) 推荐(0) 编辑
posted @ 2017-03-25 19:17 paulingzhou 阅读(235) 评论(0) 推荐(0) 编辑