{"id":202522,"date":"2025-05-22T09:24:19","date_gmt":"2025-05-22T01:24:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202522\/"},"modified":"2025-05-22T09:24:19","modified_gmt":"2025-05-22T01:24:19","slug":"java-%e6%96%b9%e6%b3%95%e4%b8%ad%e4%bc%a0%e9%80%92%e6%95%b0%e7%bb%84%e5%8f%82%e6%95%b0%e6%97%b6%ef%bc%8c%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e4%bc%9a%e5%9c%a8%e4%bc%a0%e9%80%92%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202522\/","title":{"rendered":"Java \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\uff0c\u6570\u7ec4\u5143\u7d20\u4f1a\u5728\u4f20\u9012\u8fc7\u7a0b\u4e2d\u6539\u53d8\u5417\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Java \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\uff0c\u6570\u7ec4\u5143\u7d20\u4f1a\u5728\u4f20\u9012\u8fc7\u7a0b\u4e2d\u6539\u53d8\u5417\uff1f<\/h1>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aJava \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\uff0c\u6570\u7ec4\u5143\u7d20\u4f1a\u5728\u4f20\u9012\u8fc7\u7a0b\u4e2d\u6539\u53d8\u5417\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u5728 Java \u4e2d\uff0c\u5c06\u6570\u7ec4\u4f20\u9012\u7ed9\u65b9\u6cd5\u65f6\uff0c\u5bf9\u6570\u7ec4\u5143\u7d20\u7684\u4fee\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff0c\u56e0\u4e3a\u6570\u7ec4\u6309\u5f15\u7528\u4f20\u9012\u3002\u5177\u4f53\u6b65\u9aa4\u4e3a\uff1a\u539f\u59cb\u6570\u7ec4\u88ab\u4f20\u9012\u7ed9\u65b9\u6cd5\uff1b\u65b9\u6cd5\u4e2d\u7684\u6570\u7ec4\u5143\u7d20\u88ab\u4fee\u6539\uff1b\u4fee\u6539\u540e\u7684\u6570\u7ec4\u5143\u7d20\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002<\/p>\n

<\/p>\n

\u5728 Java \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\u5bf9\u6570\u7ec4\u5143\u7d20\u7684\u53d8\u66f4\u5f71\u54cd<\/strong><\/p>\n

\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

public class ArrayElementChange {\n\n    public static void modifyArrayElement(int[] arr) {\n        arr[0] = 100;  \/\/ \u4fee\u6539\u6570\u7ec4\u5143\u7d20\n        System.out.println(\"Inside method: \" + Arrays.toString(arr));\n    }\n\n    public static void main(String[] args) {\n        int[] array = {1, 2, 3};\n        System.out.println(\"Initial array: \" + Arrays.toString(array));\n\n        modifyArrayElement(array);  \/\/ \u4f20\u9012\u6570\u7ec4\n\n        System.out.println(\"After method call: \" + Arrays.toString(array));\n    }\n}<\/pre>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
Initial array: [1, 2, 3]\nInside method: [100, 2, 3]\nAfter method call: [100, 2, 3]<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u5982\u8f93\u51fa\u6240\u793a\uff0c\u5728 Java \u4e2d\u5c06\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\u65f6\uff0c\u5bf9\u65b9\u6cd5\u5185\u6570\u7ec4\u5143\u7d20\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u5f71\u54cd\u5230\u539f\u59cb\u6570\u7ec4\u3002\u8fd9\u662f\u56e0\u4e3a Java \u4e2d\u7684\u6570\u7ec4\u88ab\u4f20\u9012\u6309\u5f15\u7528\uff0c\u8fd9\u610f\u5473\u7740\u4f20\u9012\u7684\u662f\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u672c\u8eab\u7684\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9\u6570\u7ec4\u5143\u7d20\u7684\u4fee\u6539\u5c06\u5728\u8c03\u7528\u65b9\u6cd5\u4e4b\u524d\u548c\u4e4b\u540e\u90fd\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aJava \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\uff0c\u6570\u7ec4\u5143\u7d20\u4f1a\u5728\u4f20\u9012\u8fc7\u7a0b\u4e2d\u6539\u53d8\u5417\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Java \u65b9\u6cd5\u4e2d\u4f20\u9012\u6570\u7ec4\u53c2\u6570\u65f6\uff0c...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202522","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202522"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202522\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}