{"id":65226,"date":"2025-05-03T14:29:13","date_gmt":"2025-05-03T06:29:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65226\/"},"modified":"2025-05-03T14:29:13","modified_gmt":"2025-05-03T06:29:13","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bc%a0%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65226\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u4f20\u503c"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6570\u7ec4\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u4f20\u9012\u6570\u7ec4\u65f6\u4f20\u9012\u7684\u662f\u5f15\u7528\u800c\u975e\u6570\u7ec4\u672c\u4f53\uff0c\u5bf9\u4efb\u4f55\u6570\u7ec4\u8fdb\u884c\u7684\u66f4\u6539\u90fd\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u548c\u4f20\u9012\u7684\u6570\u7ec4\u3002\u4f20\u9012\u6570\u7ec4\u7ed9\u65b9\u6cd5\u65f6\uff0c\u6570\u7ec4\u5f15\u7528\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1b\u8d4b\u503c\u6570\u7ec4\u65f6\uff0c\u4e24\u4e2a\u6570\u7ec4\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\uff1b\u6d45\u62f7\u8d1d\u590d\u5236\u6570\u7ec4\u5f15\u7528\uff0c\u800c\u6df1\u62f7\u8d1d\u590d\u5236\u6570\u7ec4\u53ca\u5176\u5143\u7d20\uff0c\u6d45\u62f7\u8d1d\u66f4\u5feb\u4f46\u66f4\u6539\u4f1a\u5f71\u54cd\u53cc\u65b9\uff0c\u800c\u6df1\u62f7\u8d1d\u66f4\u6162\u4f46\u521b\u5efa\u72ec\u7acb\u526f\u672c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111213035360022.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u4f20\u503c\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u4f20\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6570\u7ec4\u7684\u4f20\u503c<\/strong><\/p>\n<p>Java \u4e2d\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u7c7b\u578b\uff0c\u5f53\u5c06\u5176\u4f20\u9012\u7ed9\u65b9\u6cd5\u6216\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u4f20\u9012\u7684\u662f\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u672c\u8eab\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u548c\u4f20\u9012\u7684\u6570\u7ec4\u4e2d\u3002<\/p>\n<p><strong>\u4f20\u9012\u6570\u7ec4\u7ed9\u65b9\u6cd5<\/strong><\/p>\n<p>\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u65f6\uff0c\u6570\u7ec4\u5f15\u7528\u5c06\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u8be5\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\u8be5\u5f15\u7528\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>public static void printArray(int[] arr) {\n    for (int i : arr) {\n        System.out.println(i);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u8d4b\u503c\u6570\u7ec4<\/strong><\/p>\n<p>\u5c06\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u4e24\u4e2a\u6570\u7ec4\u90fd\u4f1a\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u3002\u5bf9\u5176\u4e2d\u4e00\u4e2a\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = arr1;\n\narr1[0] = 5;\nSystem.out.println(arr2[0]); \/\/ \u8f93\u51fa 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u793a\u4f8b\u5c06 arr2 \u8d4b\u503c\u4e3a arr1\uff0c\u7136\u540e\u4fee\u6539 arr1 \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u8fd9\u4e5f\u4f1a\u66f4\u65b0 arr2 \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u56e0\u4e3a\u4e24\u4e2a\u6570\u7ec4\u90fd\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u3002<\/p>\n<p><strong>\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d<\/strong><\/p>\n<p>\u5982\u679c\u9700\u8981\u521b\u5efa\u6570\u7ec4\u7684\u526f\u672c\uff0c\u5219\u53ef\u4ee5\u8fdb\u884c\u6d45\u62f7\u8d1d\u6216\u6df1\u62f7\u8d1d\u3002\u6d45\u62f7\u8d1d\u4ec5\u590d\u5236\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u6df1\u62f7\u8d1d\u590d\u5236\u6570\u7ec4\u53ca\u5176\u6240\u6709\u5143\u7d20\u3002<\/p>\n<ul>\n<li> <strong>\u6d45\u62f7\u8d1d\uff1a<\/strong> int[] arr2 = arr1.clone();<\/li>\n<li> <strong>\u6df1\u62f7\u8d1d\uff1a<\/strong> int[] arr2 = Arrays.copyOf(arr1, arr1.length);<\/li>\n<\/ul>\n<p>\u6d45\u62f7\u8d1d\u66f4\u5feb\uff0c\u4f46\u5bf9\u5176\u4e2d\u4e00\u4e2a\u6570\u7ec4\u8fdb\u884c\u7684\u66f4\u6539\u5c06\u53cd\u6620\u5728\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u6df1\u62f7\u8d1d\u66f4\u6162\uff0c\u4f46\u521b\u5efa\u7684\u662f\u6570\u7ec4\u7684\u5b8c\u5168\u72ec\u7acb\u526f\u672c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u4f20\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u6570\u7ec4\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u4f20\u9012\u6570\u7ec4\u65f6\u4f20\u9012\u7684\u662f\u5f15\u7528\u800c\u975e\u6570\u7ec4\u672c\u4f53\uff0c\u5bf9\u4efb\u4f55\u6570\u7ec4\u8fdb\u884c\u7684\u66f4\u6539\u90fd\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u548c\u4f20\u9012\u7684\u6570\u7ec4\u3002\u4f20\u9012\u6570\u7ec4\u7ed9\u65b9\u6cd5\u65f6\uff0c\u6570\u7ec4\u5f15\u7528\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1b\u8d4b\u503c\u6570\u7ec4\u65f6\uff0c\u4e24\u4e2a\u6570\u7ec4\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\uff1b\u6d45\u62f7\u8d1d\u590d\u5236\u6570\u7ec4\u5f15\u7528\uff0c\u800c\u6df1\u62f7\u8d1d\u590d\u5236\u6570\u7ec4\u53ca\u5176\u5143\u7d20\uff0c\u6d45\u62f7\u8d1d\u66f4\u5feb\u4f46\u66f4\u6539\u4f1a\u5f71\u54cd\u53cc\u65b9\uff0c\u800c\u6df1\u62f7\u8d1d\u66f4\u6162\u4f46\u521b\u5efa\u72ec\u7acb\u526f\u672c\u3002 Java \u4e2d\u6570\u7ec4\u7684\u4f20\u503c Java \u4e2d\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u7c7b\u578b\uff0c\u5f53\u5c06\u5176\u4f20\u9012\u7ed9\u65b9\u6cd5\u6216\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u4f20\u9012\u7684\u662f\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u672c\u8eab\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u548c\u4f20\u9012\u7684\u6570\u7ec4\u4e2d\u3002 \u4f20\u9012\u6570\u7ec4\u7ed9\u65b9\u6cd5 \u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u65f6\uff0c\u6570\u7ec4\u5f15\u7528\u5c06\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u8be5\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\u8be5\u5f15\u7528\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public static void printArray(int[] arr) { for (int i : arr) { System.out.println(i); } } \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002 \u8d4b\u503c\u6570\u7ec4 \u5c06\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u4e24\u4e2a\u6570\u7ec4\u90fd\u4f1a\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u3002\u5bf9\u5176\u4e2d\u4e00\u4e2a\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u4f8b\u5982\uff1a int[] arr1 = {1, 2, 3}; int[] arr2 = arr1; arr1[0] = 5; System.out.println(arr2[0]); \/\/ \u8f93\u51fa 5 \u767b\u5f55\u540e\u590d\u5236 \u6b64\u793a\u4f8b\u5c06 arr2 \u8d4b\u503c\u4e3a arr1\uff0c\u7136\u540e\u4fee\u6539 arr1 \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u8fd9\u4e5f\u4f1a\u66f4\u65b0 arr2 \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u56e0\u4e3a\u4e24\u4e2a\u6570\u7ec4\u90fd\u6307\u5411\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u3002 \u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d [&hellip;]<\/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-65226","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65226","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=65226"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65226\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}