{"id":202949,"date":"2025-05-22T11:52:33","date_gmt":"2025-05-22T03:52:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202949\/"},"modified":"2025-05-22T11:52:33","modified_gmt":"2025-05-22T03:52:33","slug":"java%e5%87%bd%e6%95%b0%e7%9a%84%e5%8f%82%e6%95%b0%e6%98%af%e5%90%a6%e5%8f%af%e4%bb%a5%e6%9c%89%e5%8f%af%e5%8f%98%e9%95%bf%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202949\/","title":{"rendered":"Java\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8\u957f\u53c2\u6570\uff1f"},"content":{"rendered":"

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

Java\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8\u957f\u53c2\u6570\uff1f<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aJava\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8\u957f\u53c2\u6570\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

<\/p>\n

Java \u4e2d\u7684\u53d8\u957f\u53c2\u6570<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u6307\u5b9a\u4e3a\u53ef\u53d8\u957f\u53c2\u6570\uff0c\u4e5f\u79f0\u4e3a\u4e0d\u5b9a\u957f\u53c2\u6570\u6216 varargs\u3002\u53ef\u53d8\u957f\u53c2\u6570\u5141\u8bb8\u4e00\u4e2a\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u76f8\u540c\u7c7b\u578b\u7684\u53c2\u6570\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

\u8981\u6307\u5b9a\u53ef\u53d8\u957f\u53c2\u6570\uff0c\u8bf7\u5728\u53c2\u6570\u7c7b\u578b\u4e4b\u524d\u4f7f\u7528\u4e09\u4e2a\u5706\u70b9 (… )\u3002\u4f8b\u5982\uff1a<\/p>\n

public static void printNames(String... names) {\n  for (String name : names) {\n    System.out.println(name);\n  }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cprintNames<\/code> \u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684 String \u53c2\u6570\u3002<\/p>\n
\u8c03\u7528<\/strong><\/p>\n
\u8981\u8c03\u7528\u5177\u6709\u53ef\u53d8\u957f\u53c2\u6570\u7684\u51fd\u6570\uff0c\u53ea\u9700\u5c06\u53c2\u6570\u6570\u7ec4\u4f5c\u4e3a\u5355\u4e2a\u53c2\u6570\u4f20\u9012\u3002\u4f8b\u5982\uff1a<\/p>\n
printNames(\"John\", \"Mary\", \"Bob\", \"Alice\");<\/pre>\n
\u5c06\u6253\u5370\uff1a<\/p>\n
John\nMary\nBob\nAlice<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u53ef\u53d8\u957f\u53c2\u6570\u6253\u5370\u6570\u7ec4\u5143\u7d20\u7684\u793a\u4f8b\uff1a<\/p>\n
public class VarargsExample {\n\n  public static void main(String[] args) {\n    int[] numbers = {1, 2, 3, 4, 5};\n\n    printArray(numbers);\n  }\n\n  public static void printArray(int... arr) {\n    for (int num : arr) {\n      System.out.print(num + \" \");\n    }\n    System.out.println();\n  }\n}<\/pre>\n
\u8f93\u51fa\uff1a<\/p>\n
1 2 3 4 5<\/pre>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aJava\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8\u957f\u53c2\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8...<\/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-202949","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202949","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=202949"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202949\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}