摘要: public static void main(String[] args) { //operate(); List<Integer> list1 = Arrays.asList(1, 2, 3); List<String> list2 = Arrays.asList("a", "b", "c"); 阅读全文
posted @ 2022-08-01 14:14 cap_ys 阅读(504) 评论(0) 推荐(0)
摘要: 例:(map)Object object = {name:“张三”,age:23}代码实现: Map entity = (Map)object;//获取object中name的值:String name = entity.get("name").toString();//获取object中age的值 阅读全文
posted @ 2022-08-01 10:36 cap_ys 阅读(1772) 评论(0) 推荐(0)