{"id":65622,"date":"2025-05-03T09:26:26","date_gmt":"2025-05-03T01:26:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65622\/"},"modified":"2025-05-03T09:26:26","modified_gmt":"2025-05-03T01:26:26","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bd%ac%e6%8d%a2%e9%9b%86%e5%90%88-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65622\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u96c6\u5408"},"content":{"rendered":"

\n java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 arrays.aslist() \u521b\u5efa\u4e0d\u53ef\u53d8\u5217\u8868\u3002\u4f7f\u7528 collection.addall() \u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u73b0\u6709\u96c6\u5408\u3002\u5229\u7528 stream api \u5c06\u6570\u7ec4\u5143\u7d20\u6620\u5c04\u4e3a\u96c6\u5408\u3002\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u6dfb\u52a0\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u96c6\u5408\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u3002<\/p>\n

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

\u6b64\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8f6c\u6362\u4e3a\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5217\u8868\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[] numbers = {1, 2, 3, 4, 5};\nList<Integer> list = Arrays.asList(numbers);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528 Collection.addAll() \u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u73b0\u6709\u7684\u96c6\u5408\u4e2d\u3002<\/p>\n
List<Integer> list = new ArrayList<>();\nlist.addAll(Arrays.asList(1, 2, 3, 4, 5));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 Stream<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u4f7f\u7528 Java 8 Stream API \u5c06\u6570\u7ec4\u5143\u7d20\u8f6c\u6362\u4e3a\u96c6\u5408\u3002<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nList<Integer> list = Arrays.stream(numbers).boxed().collect(Collectors.toList());<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u4f7f\u7528\u57fa\u672c\u7684 for \u5faa\u73af\u624b\u52a8\u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u3002<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nList<Integer> list = new ArrayList<>();\nfor (int number : numbers) {\n    list.add(number);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \n
  • Arrays.asList() \u65b9\u6cd5\u8fd4\u56de\u7684\u5217\u8868\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u6cd5\u6dfb\u52a0\u6216\u79fb\u9664\u5143\u7d20\u3002<\/li>\n
  • Collection.addAll() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u5143\u7d20\u6dfb\u52a0\u5230\u53ef\u53d8\u96c6\u5408\u4e2d\u3002<\/li>\n
  • \u4f7f\u7528 Stream API \u7684\u65b9\u6cd5\u662f Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u7684\u63a8\u8350\u65b9\u5f0f\u3002<\/li>\n
  • \u4f7f\u7528 for \u5faa\u73af\u7684\u65b9\u6cd5\u662f\u8f83\u4f4e\u6548\u7684\u65b9\u6cd5\uff0c\u4f46\u6613\u4e8e\u7406\u89e3\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u96c6\u5408\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 arrays.aslist() \u521b\u5efa\u4e0d\u53ef\u53d8\u5217\u8868\u3002\u4f7f\u7528 collection.addall() \u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u73b0\u6709\u96c6\u5408\u3002\u5229\u7528 stream api \u5c06\u6570\u7ec4\u5143\u7d20\u6620\u5c04\u4e3a\u96c6\u5408\u3002\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u6dfb\u52a0\u5143\u7d20\u3002 \u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u3002 1. \u4f7f\u7528 Arrays.asList() \u65b9\u6cd5 \u6b64\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8f6c\u6362\u4e3a\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5217\u8868\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; List<Integer> list = Arrays.asList(numbers); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Collection.addAll() \u65b9\u6cd5 \u6b64\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u73b0\u6709\u7684\u96c6\u5408\u4e2d\u3002 List<Integer> list = new ArrayList<>(); list.addAll(Arrays.asList(1, 2, 3, 4, 5)); \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 Stream […]<\/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-65622","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65622","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=65622"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65622\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}