11 2017 档案

遍历map
摘要：Map<String, Object> map=new HashMap<String, Object>(); map.put("id", "sunny"); map.put("value", "syl"); Set<String> get = map.keySet(); for (String te 阅读全文
posted @ 2017-11-21 16:50 zzdxw 阅读(100) 评论(0) 推荐(0)