摘要: 阅读全文
posted @ 2021-10-29 18:35 _图南 阅读(285) 评论(0) 推荐(0) 编辑
摘要: 1 public class CollectionTest { 2 3 @Test 4 public void test3(){ 5 HashSet set = new HashSet(); 6 Person p1 = new Person(1001,"AA"); 7 Person p2 = new 阅读全文
posted @ 2021-10-29 12:03 _图南 阅读(483) 评论(0) 推荐(0) 编辑
摘要: Array.asList():是数组转成集合的方法 List<String> list = Arrays.asList(new String[]{"AA", "BB", "CC"}); System.out.println(list); //输出AA,BB,CC List arr1 = Arrays 阅读全文
posted @ 2021-10-29 10:48 _图南 阅读(75) 评论(0) 推荐(0) 编辑