{"id":64581,"date":"2025-05-03T15:45:20","date_gmt":"2025-05-03T07:45:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64581\/"},"modified":"2025-05-03T15:45:20","modified_gmt":"2025-05-03T07:45:20","slug":"java%e4%b8%ad%e8%bf%94%e5%9b%9e%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64581\/","title":{"rendered":"java\u4e2d\u8fd4\u56de\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"

\n java\u8fd4\u56de\u6570\u7ec4\u6709\u4e24\u79cd\u8868\u793a\u65b9\u6cd5\uff1a\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a\u8fd4\u56de\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002list\u63a5\u53e3\uff1a\u8fd4\u56de\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u63d0\u4f9b\u66f4\u591a\u65b9\u6cd5\uff08\u5982\u589e\u5220\u5143\u7d20\uff09\u3002\u9009\u62e9\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\uff0c\u4f46list\u63a5\u53e3\u66f4\u901a\u7528\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u8fd4\u56de\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u8fd4\u56de\u6570\u7ec4\u8868\u793a\u65b9\u6cd5<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u8fd4\u56de\u6570\u7ec4\u6709\u4e24\u79cd\u5e38\u89c1\u8868\u793a\u65b9\u6cd5\uff1a<\/p>\n

1. \u6570\u7ec4\u7c7b\u578b\u58f0\u660e<\/strong><\/p>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u58f0\u660e\u8fd4\u56de\u7c7b\u578b\u4e3a\u6570\u7ec4\u7c7b\u578b\u3002\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

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

int[] getArray() {\n    \/\/ \u8fd4\u56deint\u6570\u7ec4\n}<\/pre>\n
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String[] getArray() {\n    \/\/ \u8fd4\u56deString\u6570\u7ec4\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. List \u63a5\u53e3<\/strong><\/p>\n
\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u8fd4\u56de List \u63a5\u53e3\u3002List \u662f\u4e00\u4e2a\u6709\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u5bb9\u7eb3\u6570\u7ec4\u4e2d\u76f8\u540c\u7c7b\u578b\u7684\u6240\u6709\u5143\u7d20\u3002\u8fd9\u5141\u8bb8\u4f7f\u7528\u66f4\u901a\u7528\u7684\u6570\u636e\u7ed3\u6784\u5e76\u5728\u8c03\u7528\u65b9\u8f7b\u677e\u8fdb\u884c\u8fed\u4ee3\u3002<\/p>\n
List<Integer> getArray() {\n    \/\/ \u8fd4\u56deList<Integer>\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u54ea\u79cd\u65b9\u6cd5\u66f4\u5408\u9002\uff1f<\/strong><\/p>\n
\u9009\u62e9\u54ea\u79cd\u8868\u793a\u65b9\u6cd5\u53d6\u51b3\u4e8e\u7279\u5b9a\u60c5\u51b5\uff1a<\/p>\n
    \n
  •  \u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a<\/strong>\u5f53\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u539f\u59cb\u7c7b\u578b\u6570\u7ec4\u6216\u9700\u8981\u4f7f\u7528 length \u5c5e\u6027\u8bbf\u95ee\u6570\u7ec4\u957f\u5ea6\u65f6\uff0c\u66f4\u5408\u9002\u3002<\/li>\n
  •  List \u63a5\u53e3\uff1a<\/strong>\u5f53\u8fd4\u56de\u957f\u5ea6\u53ef\u53d8\u6216\u9700\u8981\u4f7f\u7528 List \u63a5\u53e3\u63d0\u4f9b\u7684\u989d\u5916\u65b9\u6cd5\uff08\u5982 add() \u548c remove()\uff09\u65f6\uff0c\u66f4\u5408\u9002\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a<\/strong><\/p>\n
    public class MyClass {\n    public int[] getIntArray() {\n        return new int[]{1, 2, 3};\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    List \u63a5\u53e3\uff1a<\/strong><\/p>\n
    public class MyClass {\n    public List<Integer> getIntegerList() {\n        List<Integer> list = new ArrayList<>();\n        list.add(1);\n        list.add(2);\n        list.add(3);\n        return list;\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u8fd4\u56de\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d\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\u8fd4\u56de\u6570\u7ec4\u6709\u4e24\u79cd\u8868\u793a\u65b9\u6cd5\uff1a\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a\u8fd4\u56de\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002list\u63a5\u53e3\uff1a\u8fd4\u56de\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u63d0\u4f9b\u66f4\u591a\u65b9\u6cd5\uff08\u5982\u589e\u5220\u5143\u7d20\uff09\u3002\u9009\u62e9\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\uff0c\u4f46list\u63a5\u53e3\u66f4\u901a\u7528\u3002 Java \u4e2d\u8fd4\u56de\u6570\u7ec4\u8868\u793a\u65b9\u6cd5 \u5728 Java \u4e2d\uff0c\u8fd4\u56de\u6570\u7ec4\u6709\u4e24\u79cd\u5e38\u89c1\u8868\u793a\u65b9\u6cd5\uff1a 1. \u6570\u7ec4\u7c7b\u578b\u58f0\u660e \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u58f0\u660e\u8fd4\u56de\u7c7b\u578b\u4e3a\u6570\u7ec4\u7c7b\u578b\u3002\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] getArray() { \/\/ \u8fd4\u56deint\u6570\u7ec4 } \u767b\u5f55\u540e\u590d\u5236 \u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a String[] getArray() { \/\/ \u8fd4\u56deString\u6570\u7ec4 } \u767b\u5f55\u540e\u590d\u5236 2. List \u63a5\u53e3 \u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u8fd4\u56de List \u63a5\u53e3\u3002List \u662f\u4e00\u4e2a\u6709\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u5bb9\u7eb3\u6570\u7ec4\u4e2d\u76f8\u540c\u7c7b\u578b\u7684\u6240\u6709\u5143\u7d20\u3002\u8fd9\u5141\u8bb8\u4f7f\u7528\u66f4\u901a\u7528\u7684\u6570\u636e\u7ed3\u6784\u5e76\u5728\u8c03\u7528\u65b9\u8f7b\u677e\u8fdb\u884c\u8fed\u4ee3\u3002 List<Integer> getArray() { \/\/ \u8fd4\u56deList<Integer> } \u767b\u5f55\u540e\u590d\u5236 \u54ea\u79cd\u65b9\u6cd5\u66f4\u5408\u9002\uff1f \u9009\u62e9\u54ea\u79cd\u8868\u793a\u65b9\u6cd5\u53d6\u51b3\u4e8e\u7279\u5b9a\u60c5\u51b5\uff1a \u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a\u5f53\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u539f\u59cb\u7c7b\u578b\u6570\u7ec4\u6216\u9700\u8981\u4f7f\u7528 length \u5c5e\u6027\u8bbf\u95ee\u6570\u7ec4\u957f\u5ea6\u65f6\uff0c\u66f4\u5408\u9002\u3002 List \u63a5\u53e3\uff1a\u5f53\u8fd4\u56de\u957f\u5ea6\u53ef\u53d8\u6216\u9700\u8981\u4f7f\u7528 List \u63a5\u53e3\u63d0\u4f9b\u7684\u989d\u5916\u65b9\u6cd5\uff08\u5982 add() \u548c remove()\uff09\u65f6\uff0c\u66f4\u5408\u9002\u3002 \u793a\u4f8b\uff1a \u6570\u7ec4\u7c7b\u578b\u58f0\u660e\uff1a public class […]<\/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-64581","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64581","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=64581"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64581\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}