{"id":34584,"date":"2024-11-26T15:04:10","date_gmt":"2024-11-26T07:04:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34584\/"},"modified":"2024-11-26T15:04:10","modified_gmt":"2024-11-26T07:04:10","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e7%bb%99list%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34584\/","title":{"rendered":"Java\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u7ed9list\u8d4b\u503c"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e09\u79cd\u65b9\u6cd5\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 list\uff1aarrays.aslist() \u65b9\u6cd5\u521b\u5efa\u4e0d\u53ef\u4fee\u6539\u5217\u8868\u3002list \u6784\u9020\u51fd\u6570\u521b\u5efa\u53ef\u4fee\u6539\u5217\u8868\u3002\u5faa\u73af\u521b\u5efa\u7279\u5b9a\u7c7b\u578b\u7684\u5217\u8868\u3002\n<\/p><\/blockquote>\n

\"Java\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u7ed9list\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 List<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 List\uff1a<\/p>\n

1. \u4f7f\u7528 Arrays.asList() \u65b9\u6cd5<\/strong><\/p>\n

List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684 List\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8be5 List \u4e0d\u53ef\u4fee\u6539\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
2. \u4f7f\u7528 List \u6784\u9020\u51fd\u6570<\/strong><\/p>\n
List<Integer> list = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u53ef\u4fee\u6539\u7684 List\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8be5 List \u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002<\/p>\n
3. \u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n
List<Integer> list = new ArrayList<>();\nfor (int i : arr) {\n  list.add(i);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0 List\uff0c\u5e76\u4f7f\u7528\u5faa\u73af\u5c06\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230 List \u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u6548\u7387\u8f83\u4f4e\uff0c\u4f46\u53ef\u4ee5\u7528\u4e8e\u81ea\u5b9a\u4e49 List \u7c7b\u578b\uff08\u4f8b\u5982\uff0cLinkedList\uff09\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \n
  • \u4f7f\u7528 Arrays.asList() \u521b\u5efa\u7684 List \u4e0d\u53ef\u4fee\u6539\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002<\/li>\n
  • \u4f7f\u7528 new ArrayList(Arrays.asList()) \u521b\u5efa\u7684 List \u53ef\u4fee\u6539\uff0c\u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002<\/li>\n
  • \u4f7f\u7528\u5faa\u73af\u521b\u5efa\u7684 List \u7684\u7c7b\u578b\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u96c6\u5408\u7c7b\u578b\uff08\u4f8b\u5982\uff0cArrayList\u3001LinkedList\uff09\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u7ed9list\u8d4b\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e09\u79cd\u65b9\u6cd5\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 list\uff1aarrays.aslist() \u65b9\u6cd5\u521b\u5efa\u4e0d\u53ef\u4fee\u6539\u5217\u8868\u3002list \u6784\u9020\u51fd\u6570\u521b\u5efa\u53ef\u4fee\u6539\u5217\u8868\u3002\u5faa\u73af\u521b\u5efa\u7279\u5b9a\u7c7b\u578b\u7684\u5217\u8868\u3002 \u5982\u4f55\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 List \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u8d4b\u503c\u7ed9 List\uff1a 1. \u4f7f\u7528 Arrays.asList() \u65b9\u6cd5 List<Integer> list = Arrays.asList(1, 2, 3, 4, 5); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684 List\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8be5 List \u4e0d\u53ef\u4fee\u6539\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528 List \u6784\u9020\u51fd\u6570 List<Integer> list = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5)); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u53ef\u4fee\u6539\u7684 List\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8be5 List \u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002 3. \u4f7f\u7528\u5faa\u73af List<Integer> list = new ArrayList<>(); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-34584","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=34584"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34584\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}