{"id":65952,"date":"2025-05-03T08:59:45","date_gmt":"2025-05-03T00:59:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65952\/"},"modified":"2025-05-03T08:59:45","modified_gmt":"2025-05-03T00:59:45","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e8%bd%ac%e6%88%90%e9%9b%86%e5%90%88-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65952\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u96c6\u5408"},"content":{"rendered":"

\n \u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.aslist() \u521b\u5efa\u4e0d\u53ef\u53d8\u5217\u8868\u4f7f\u7528\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570\u521b\u5efa\u53ef\u53d8\u96c6\u5408\uff08\u5982 arraylist\u3001hashset\uff09\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u96c6\u5408\u63d2\u56fe\"<\/p>\n

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

Java \u4e2d\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\uff1a<\/p>\n

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

\u6b64\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5217\u8868\uff0c\u5176\u5143\u7d20\u4e0d\u80fd\u88ab\u4fee\u6539\u6216\u5220\u9664\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

List<T> list = Arrays.asList(array);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570<\/strong><\/p>\n
\u96c6\u5408\u7c7b\u63d0\u4f9b\u5e26\u6570\u7ec4\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\uff0c\u5982\uff1a<\/p>\n
ArrayList<T> list = new ArrayList<>(Arrays.asList(array));\nHashSet<T> set = new HashSet<>(Arrays.asList(array));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6700\u4f73\u65b9\u6cd5\u7684\u9009\u62e9<\/strong><\/p>\n
\u6839\u636e\u4ee5\u4e0b\u6807\u51c6\u9009\u62e9\u6700\u4f73\u65b9\u6cd5\uff1a<\/p>\n
    \n
  •  \u4e0d\u53ef\u53d8\u6027\uff1a<\/strong>\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u4e0d\u53ef\u53d8\u7684\u96c6\u5408\uff0c\u8bf7\u4f7f\u7528 Arrays.asList()\u3002<\/li>\n
  •  \u53ef\u53d8\u6027\uff1a<\/strong>\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u53ef\u53d8\u7684\u96c6\u5408\uff0c\u8bf7\u4f7f\u7528\u96c6\u5408\u7c7b\u7684\u6784\u9020\u51fd\u6570\u3002<\/li>\n
  •  \u6027\u80fd\uff1a<\/strong>Arrays.asList() \u7684\u6027\u80fd\u6bd4\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570\u7a0d\u597d\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528 Arrays.asList() \u8f6c\u6362\u4e3a\u4e0d\u53ef\u53d8\u5217\u8868\nList<Integer> immutableList = Arrays.asList(numbers);\n\n\/\/ \u4f7f\u7528 ArrayList \u6784\u9020\u51fd\u6570\u8f6c\u6362\u4e3a\u53ef\u53d8\u5217\u8868\nList<Integer> mutableList = new ArrayList<>(Arrays.asList(numbers));\n\n\/\/ \u4f7f\u7528 HashSet \u6784\u9020\u51fd\u6570\u8f6c\u6362\u4e3a\u96c6\u5408\nSet<Integer> set = new HashSet<>(Arrays.asList(numbers));<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\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":"
    \u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.aslist() \u521b\u5efa\u4e0d\u53ef\u53d8\u5217\u8868\u4f7f\u7528\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570\u521b\u5efa\u53ef\u53d8\u96c6\u5408\uff08\u5982 arraylist\u3001hashset\uff09 \u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408 Java \u4e2d\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u96c6\u5408\uff1a 1. \u4f7f\u7528 Arrays.asList() \u65b9\u6cd5 \u6b64\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5217\u8868\uff0c\u5176\u5143\u7d20\u4e0d\u80fd\u88ab\u4fee\u6539\u6216\u5220\u9664\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b List<T> list = Arrays.asList(array); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570 \u96c6\u5408\u7c7b\u63d0\u4f9b\u5e26\u6570\u7ec4\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\uff0c\u5982\uff1a ArrayList<T> list = new ArrayList<>(Arrays.asList(array)); HashSet<T> set = new HashSet<>(Arrays.asList(array)); \u767b\u5f55\u540e\u590d\u5236 \u6700\u4f73\u65b9\u6cd5\u7684\u9009\u62e9 \u6839\u636e\u4ee5\u4e0b\u6807\u51c6\u9009\u62e9\u6700\u4f73\u65b9\u6cd5\uff1a \u4e0d\u53ef\u53d8\u6027\uff1a\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u4e0d\u53ef\u53d8\u7684\u96c6\u5408\uff0c\u8bf7\u4f7f\u7528 Arrays.asList()\u3002 \u53ef\u53d8\u6027\uff1a\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u53ef\u53d8\u7684\u96c6\u5408\uff0c\u8bf7\u4f7f\u7528\u96c6\u5408\u7c7b\u7684\u6784\u9020\u51fd\u6570\u3002 \u6027\u80fd\uff1aArrays.asList() \u7684\u6027\u80fd\u6bd4\u96c6\u5408\u7c7b\u6784\u9020\u51fd\u6570\u7a0d\u597d\u3002 \u793a\u4f8b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u4f7f\u7528 Arrays.asList() […]<\/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-65952","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65952","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=65952"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65952\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}