{"id":38317,"date":"2024-11-26T16:52:59","date_gmt":"2024-11-26T08:52:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38317\/"},"modified":"2024-11-26T16:52:59","modified_gmt":"2024-11-26T08:52:59","slug":"java%e4%b8%ad%e5%bd%a2%e5%8f%82%e4%b8%ba%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%86%99","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38317\/","title":{"rendered":"java\u4e2d\u5f62\u53c2\u4e3a\u6570\u7ec4\u600e\u4e48\u5199"},"content":{"rendered":"<blockquote><p>\n  \u5411 java \u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f20\u9012\u6570\u7ec4\u5f15\u7528\uff1a\u4f20\u9012\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\uff0c\u5bf9\u5143\u7d20\u7684\u4fee\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002\u4f20\u9012\u6570\u7ec4\u526f\u672c\uff1a\u4f7f\u7528 clone() \u65b9\u6cd5\u4f20\u9012\u5143\u7d20\u526f\u672c\uff0c\u5bf9\u526f\u672c\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111412584052164.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u5f62\u53c2\u4e3a\u6570\u7ec4\u600e\u4e48\u5199\u63d2\u56fe\" alt=\"java\u4e2d\u5f62\u53c2\u4e3a\u6570\u7ec4\u600e\u4e48\u5199\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a<\/p>\n<p><strong>1. \u4f20\u9012\u6570\u7ec4\u5f15\u7528<\/strong><\/p>\n<p>\u4f20\u9012\u7684\u662f\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u6765\u5b9e\u73b0\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>public void myMethod(int[] array) {\n    \/\/ \u5bf9 array \u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u5728\u65b9\u6cd5\u5185\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u4e5f\u4f1a\u5f71\u54cd\u5230\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<p><strong>2. \u4f20\u9012\u6570\u7ec4\u7684\u526f\u672c<\/strong><\/p>\n<p>\u4f20\u9012\u7684\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\u3002\u53ef\u4ee5\u4f7f\u7528 clone() \u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a<\/p>\n<pre>public void myMethod(int[] array) {\n    int[] copy = array.clone();\n    \/\/ \u5bf9 copy \u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u5728\u65b9\u6cd5\u5185\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u5230\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u526f\u672c\uff1a<\/p>\n<pre>public class Main {\n    public static void main(String[] args) {\n        int[] array = {1, 2, 3};\n\n        \/\/ \u4f20\u9012\u6570\u7ec4\u526f\u672c\n        myMethod(array.clone());\n    }\n\n    public static void myMethod(int[] array) {\n        array[0] = 4;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cmyMethod \u65b9\u6cd5\u63a5\u6536\u6570\u7ec4\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9 array \u4e2d\u5143\u7d20\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002\u8f93\u51fa\u4ecd\u5c06\u662f {1, 2, 3}\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u5f62\u53c2\u4e3a\u6570\u7ec4\u600e\u4e48\u5199\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5411 java \u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4f20\u9012\u6570\u7ec4\u5f15\u7528\uff1a\u4f20\u9012\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\uff0c\u5bf9\u5143\u7d20\u7684\u4fee\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002\u4f20\u9012\u6570\u7ec4\u526f\u672c\uff1a\u4f7f\u7528 clone() \u65b9\u6cd5\u4f20\u9012\u5143\u7d20\u526f\u672c\uff0c\u5bf9\u526f\u672c\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002 Java \u4e2d\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a 1. \u4f20\u9012\u6570\u7ec4\u5f15\u7528 \u4f20\u9012\u7684\u662f\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u6765\u5b9e\u73b0\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public void myMethod(int[] array) { \/\/ \u5bf9 array \u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u5728\u65b9\u6cd5\u5185\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u4e5f\u4f1a\u5f71\u54cd\u5230\u539f\u59cb\u6570\u7ec4\u3002 2. \u4f20\u9012\u6570\u7ec4\u7684\u526f\u672c \u4f20\u9012\u7684\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u672c\u8eab\u7684\u5f15\u7528\u3002\u53ef\u4ee5\u4f7f\u7528 clone() \u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a public void myMethod(int[] array) { int[] copy = array.clone(); \/\/ \u5bf9 copy \u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u5728\u65b9\u6cd5\u5185\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u5230\u539f\u59cb\u6570\u7ec4\u3002 \u793a\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u526f\u672c\uff1a public class Main { public static [&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-38317","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38317","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=38317"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38317\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}