{"id":34613,"date":"2024-11-26T16:59:03","date_gmt":"2024-11-26T08:59:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34613\/"},"modified":"2024-11-26T16:59:03","modified_gmt":"2024-11-26T08:59:03","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e7%9a%84%e4%bc%a0%e5%8f%82%e6%95%b0%e6%80%8e%e4%b9%88%e4%bc%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34613\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u7684\u4f20\u53c2\u6570\u600e\u4e48\u4f20"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4f20\u9012\u5f15\u7528\uff0c\u5bf9\u8c61\u6570\u7ec4\u4f20\u9012\u526f\u672c\u3002\u4fee\u6539\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\uff0c\u800c\u4fee\u6539\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5219\u4e0d\u4f1a\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110217483588896.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u7684\u4f20\u53c2\u6570\u600e\u4e48\u4f20\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u7684\u4f20\u53c2\u6570\u600e\u4e48\u4f20\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f20\u9012\u7684\u6570\u7ec4\u7c7b\u578b\uff1a<\/p>\n<p><strong>\u57fa\u672c\u7c7b\u578b\u6570\u7ec4 (\u5982 int[] \u6216 double[])<\/strong><\/p>\n<p>\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u5728 Java \u4e2d\u4f5c\u4e3a\u5f15\u7528\u7c7b\u578b\u5bf9\u5f85\uff0c\u56e0\u6b64\u4f20\u9012\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u65f6\uff0c\u5b9e\u9645\u4e0a\u4f20\u9012\u7684\u662f\u6307\u5411\u6570\u7ec4\u7684\u5f15\u7528\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u5bf9\u8c61\u6570\u7ec4 (\u5982 String[] \u6216 Object[])<\/strong><\/p>\n<p>\u5bf9\u8c61\u6570\u7ec4\u4e5f\u4f5c\u4e3a\u5f15\u7528\u7c7b\u578b\u4f20\u9012\uff0c\u4f46\u4e0e\u6b64\u4e0d\u540c\u7684\u662f\uff0c\u4f20\u9012\u7684\u5bf9\u8c61\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002<\/p>\n<p><strong>\u6570\u7ec4\u4f20\u9012\u7684\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a Java \u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1a<\/p>\n<pre>public class ArrayPassing {\n\n    public static void main(String[] args) {\n        \n        \/\/ \u57fa\u672c\u7c7b\u578b\u6570\u7ec4\n        int[] numbers = {1, 2, 3};\n        printArray(numbers); \/\/ \u8f93\u51fa\uff1a1 2 3\n\n        \/\/ \u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u6570\u7ec4\u8fdb\u884c\u4fee\u6539\n        modifyArray(numbers);\n        printArray(numbers); \/\/ \u8f93\u51fa\uff1a4 5 6\n\n        \/\/ \u5bf9\u8c61\u6570\u7ec4\n        String[] names = {\"John\", \"Mary\", \"Bob\"};\n        printArray(names); \/\/ \u8f93\u51fa\uff1aJohn Mary Bob\n\n        \/\/ \u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u4fee\u6539\n        modifyArray(names);\n        printArray(names); \/\/ \u8f93\u51fa\uff1aJohn Mary Bob\n    }\n\n    public static void printArray(int[] arr) {\n        for (int i = 0; i &lt; arr.length; i++) {\n            System.out.print(arr[i] + \" \");\n        }\n        System.out.println();\n    }\n\n    public static void printArray(String[] arr) {\n        for (String s : arr) {\n            System.out.print(s + \" \");\n        }\n        System.out.println();\n    }\n\n    public static void modifyArray(int[] arr) {\n        for (int i = 0; i &lt; arr.length; i++) {\n            arr[i] += 3;\n        }\n    }\n\n    public static void modifyArray(String[] arr) {\n        for (int i = 0; i &lt; arr.length; i++) {\n            arr[i] = arr[i].toLowerCase();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cprintArray \u65b9\u6cd5\u6f14\u793a\u4e86\u6253\u5370\u6570\u7ec4\u7684\u5185\u5bb9\u3002modifyArray \u65b9\u6cd5\u6f14\u793a\u4e86\u4fee\u6539\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u6570\u7ec4\u3002\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u4fee\u6539\u662f\u6c38\u4e45\u6027\u7684\uff0c\u800c\u5bf9\u4e8e\u5bf9\u8c61\u6570\u7ec4\uff0c\u4fee\u6539\u53ea\u5f71\u54cd\u4f20\u9012\u7684\u526f\u672c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u7684\u4f20\u53c2\u6570\u600e\u4e48\u4f20\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>java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u65f6\uff0c\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4f20\u9012\u5f15\u7528\uff0c\u5bf9\u8c61\u6570\u7ec4\u4f20\u9012\u526f\u672c\u3002\u4fee\u6539\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\uff0c\u800c\u4fee\u6539\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5219\u4e0d\u4f1a\u3002 Java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f20\u9012\u7684\u6570\u7ec4\u7c7b\u578b\uff1a \u57fa\u672c\u7c7b\u578b\u6570\u7ec4 (\u5982 int[] \u6216 double[]) \u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u5728 Java \u4e2d\u4f5c\u4e3a\u5f15\u7528\u7c7b\u578b\u5bf9\u5f85\uff0c\u56e0\u6b64\u4f20\u9012\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u65f6\uff0c\u5b9e\u9645\u4e0a\u4f20\u9012\u7684\u662f\u6307\u5411\u6570\u7ec4\u7684\u5f15\u7528\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u6570\u7ec4\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5bf9\u8c61\u6570\u7ec4 (\u5982 String[] \u6216 Object[]) \u5bf9\u8c61\u6570\u7ec4\u4e5f\u4f5c\u4e3a\u5f15\u7528\u7c7b\u578b\u4f20\u9012\uff0c\u4f46\u4e0e\u6b64\u4e0d\u540c\u7684\u662f\uff0c\u4f20\u9012\u7684\u5bf9\u8c61\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u526f\u672c\u3002\u56e0\u6b64\uff0c\u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4e0d\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e2d\u3002 \u6570\u7ec4\u4f20\u9012\u7684\u4ee3\u7801\u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a Java \u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1a public class ArrayPassing { public static void main(String[] args) { \/\/ \u57fa\u672c\u7c7b\u578b\u6570\u7ec4 int[] numbers = {1, 2, 3}; printArray(numbers); \/\/ \u8f93\u51fa\uff1a1 2 3 \/\/ \u5bf9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7684\u6570\u7ec4\u8fdb\u884c\u4fee\u6539 modifyArray(numbers); printArray(numbers); \/\/ \u8f93\u51fa\uff1a4 [&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-34613","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34613","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=34613"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34613\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}