摘要: Set<String> set = new HashSet<>(); set.add("good"); set.add("work"); Iterator<String> it = set.iterator(); while (it.hasNext()) { System.out.println(i 阅读全文
posted @ 2020-03-23 13:46 kissrule 阅读(213) 评论(0) 推荐(0) 编辑