{"id":203037,"date":"2025-05-22T10:40:35","date_gmt":"2025-05-22T02:40:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203037\/"},"modified":"2025-05-22T10:40:35","modified_gmt":"2025-05-22T02:40:35","slug":"java-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8-varargs-%e5%8f%82%e6%95%b0%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203037\/","title":{"rendered":"Java \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

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

Java \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6587\u7ae0\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aJava \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

Java \u4e2d varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u5c06 varargs \u53c2\u6570\u7f6e\u4e8e\u53c2\u6570\u5217\u8868\u672b\u5c3e\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\u660e\u786e varargs \u53c2\u6570\u7684\u6700\u5c0f\u53c2\u6570\u6570\u91cf\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u51b5\u3002\u5bf9 varargs \u53c2\u6570\u7684\u5143\u7d20\u8fdb\u884c\u9a8c\u8bc1\uff0c\u786e\u4fdd\u6ee1\u8db3\u8981\u6c42\u3002\u8c28\u614e\u5904\u7406\u7a7a\u503c\uff0c\u5728\u4f7f\u7528 varargs \u53c2\u6570\u524d\u8fdb\u884c\u7a7a\u503c\u68c0\u67e5\u3002\u4f18\u5148\u4f7f\u7528\u6570\u7ec4\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u7c7b\u578b\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n

<\/p>\n

Java \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n

Varargs\uff08\u53ef\u53d8\u53c2\u6570\uff09\u53c2\u6570\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\u3002\u5728 Java \u4e2d\uff0c\u4f7f\u7528 ...<\/code> \u8bed\u6cd5\u6765\u58f0\u660e\u4e00\u4e2a varargs \u53c2\u6570\u3002<\/p>\n

\u6700\u4f73\u5b9e\u8df5\uff1a<\/strong><\/p>\n

1. \u5c06 varargs \u53c2\u6570\u7f6e\u4e8e\u53c2\u6570\u5217\u8868\u7684\u672b\u5c3e\uff1a<\/strong>
\u8fd9\u6837\u505a\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

2. \u660e\u786e varargs \u53c2\u6570\u7684\u6700\u5c0f\u53c2\u6570\u6570\u91cf\uff1a<\/strong>
\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u6700\u5c0f\u6570\u91cf\uff0c\u7f16\u8bd1\u5668\u5c06\u5047\u5b9a\u81f3\u5c11\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u53c2\u6570\u3002\u4f46\u662f\uff0c\u660e\u786e\u4fdd\u8bc1\u8fd9\u4e00\u70b9\u53ef\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u51b5\u3002<\/p>\n

3. \u5bf9 varargs \u53c2\u6570\u7684\u5143\u7d20\u8fdb\u884c\u9a8c\u8bc1\uff1a<\/strong>
\u786e\u4fdd\u4f20\u9012\u7ed9 varargs \u53c2\u6570\u7684\u6240\u6709\u5143\u7d20\u90fd\u6ee1\u8db3\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53c2\u6570\u662f\u6570\u5b57\uff0c\u8bf7\u68c0\u67e5\u5b83\u4eec\u662f\u5426\u4e3a\u975e\u8d1f\u7684\u3002<\/p>\n

4. \u8c28\u614e\u5904\u7406\u7a7a\u503c\uff1a<\/strong>
varargs \u53c2\u6570\u53ef\u80fd\u4e3a null\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u5b83\u4eec\u4e4b\u524d\u59cb\u7ec8\u8fdb\u884c\u7a7a\u503c\u68c0\u67e5\u3002<\/p>\n

5. \u4f18\u5148\u4f7f\u7528\u6570\u7ec4\uff1a<\/strong>
\u5982\u679c\u53ef\u80fd\uff0c\u4f18\u5148\u4f7f\u7528\u6570\u7ec4\u800c\u4e0d\u662f varargs\u3002\u6570\u7ec4\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u7c7b\u578b\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n

\u8003\u8651\u4e00\u4e2a Java \u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u5b57\u7b26\u4e32\u6570\u7ec4\u5e76\u6309\u5347\u5e8f\u6392\u5217\uff1a<\/p>\n

public static void sortStrings(String... strings) {\n    if (strings == null) {\n        throw new IllegalArgumentException(\"Strings cannot be null\");\n    }\n    if (strings.length < 1) {\n        return;\n    }\n    Arrays.sort(strings);\n}<\/pre>\n
\u5982\u4f55\u8c03\u7528\uff1a<\/strong><\/p>\n
String[] myStrings = {\"apple\", \"banana\", \"cherry\"};\nsortStrings(myStrings);\nSystem.out.println(Arrays.toString(myStrings)); \/\/ \u8f93\u51fa\uff1a[apple, banana, cherry]<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300aJava \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejava,varargs\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Java \u51fd\u6570\u4e2d\u4f7f\u7528 varar...<\/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-203037","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203037","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=203037"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203037\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}