{"id":34664,"date":"2024-11-26T14:40:30","date_gmt":"2024-11-26T06:40:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34664\/"},"modified":"2024-11-26T14:40:30","modified_gmt":"2024-11-26T06:40:30","slug":"java%e6%80%8e%e4%b9%88%e7%94%a8%e5%af%b9%e8%b1%a1%e6%8e%a5%e6%94%b6%e5%8f%82%e6%95%b0%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34664\/","title":{"rendered":"java\u600e\u4e48\u7528\u5bf9\u8c61\u63a5\u6536\u53c2\u6570\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u53ef\u53d8\u53c2\u6570\uff08varargs\uff09\u5141\u8bb8\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u4e0d\u540c\u6570\u91cf\u7684\u540c\u7c7b\u578b\u53c2\u6570\u6570\u7ec4\uff0c\u901a\u8fc7\u201c…\u53c2\u6570\u7c7b\u578b\u201d\u8bed\u6cd5\u5b9a\u4e49\uff0c\u65b9\u6cd5\u5185\u90e8\u5b9e\u9645\u63a5\u6536\u7684\u7c7b\u578b\u4e0e\u53c2\u6570\u7c7b\u578b\u76f8\u540c\uff0c\u4f7f\u7528 varargs \u63d0\u9ad8\u4e86\u65b9\u6cd5\u7684\u7075\u6d3b\u6027\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u7528\u5bf9\u8c61\u63a5\u6536\u53c2\u6570\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528\u5bf9\u8c61\u63a5\u6536 Java \u53c2\u6570\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff08varargs\uff09\u6765\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u5141\u8bb8\u4e00\u4e2a\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u4e0d\u540c\u6570\u91cf\u7684\u540c\u7c7b\u578b\u53c2\u6570\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

public static void myMethod(String... args) {\n    \/\/ args \u662f\u4e00\u4e2a String \u7c7b\u578b\u7684\u6570\u7ec4\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7528\u6cd5\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4ee5\u4e24\u79cd\u65b9\u5f0f\u4f20\u9012\u53c2\u6570\uff1a<\/p>\n
    \n
  • \u4f5c\u4e3a\u5355\u4e2a\u6570\u7ec4\uff1a<\/strong><\/li>\n<\/ul>\n
    String[] myArray = { \"a\", \"b\", \"c\" };\nmyMethod(myArray);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    • \u4f5c\u4e3a\u72ec\u7acb\u7684\u53c2\u6570\uff1a<\/strong><\/li>\n<\/ul>\n
      myMethod(\"a\", \"b\", \"c\");<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5185\u90e8\u673a\u5236\uff1a<\/strong><\/p>\n
      \u5f53 varargs \u53c2\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u4f20\u9012\u7ed9\u65b9\u6cd5\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u7c7b\u578b\u7531 varargs \u53c2\u6570\u7c7b\u578b\u51b3\u5b9a\u3002\u4f8b\u5982\uff0c\u4e0a\u9762\u7684 myMethod \u65b9\u6cd5\u5c06\u63a5\u6536\u4e00\u4e2a\u5305\u542b String \u5143\u7d20\u7684\u6570\u7ec4\u3002<\/p>\n
      \u4f18\u52bf\uff1a<\/strong><\/p>\n
      \u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n
        \n
      •  \u7075\u6d3b\u6027\uff1a<\/strong>\u5141\u8bb8\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u4e0d\u540c\u6570\u91cf\u7684\u53c2\u6570\u3002<\/li>\n
      •  \u53ef\u8bfb\u6027\uff1a<\/strong>\u53c2\u6570\u5217\u8868\u66f4\u7b80\u6d01\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n
      •  \u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u5f88\u5bb9\u6613\u6dfb\u52a0\u6216\u5220\u9664\u53c2\u6570\uff0c\u800c\u4e0d\u5f71\u54cd\u65b9\u6cd5\u7b7e\u540d\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7528\u5bf9\u8c61\u63a5\u6536\u53c2\u6570\u6570\u7ec4\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":"
        java \u4e2d\u53ef\u53d8\u53c2\u6570\uff08varargs\uff09\u5141\u8bb8\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u4e0d\u540c\u6570\u91cf\u7684\u540c\u7c7b\u578b\u53c2\u6570\u6570\u7ec4\uff0c\u901a\u8fc7\u201c…\u53c2\u6570\u7c7b\u578b\u201d\u8bed\u6cd5\u5b9a\u4e49\uff0c\u65b9\u6cd5\u5185\u90e8\u5b9e\u9645\u63a5\u6536\u7684\u7c7b\u578b\u4e0e\u53c2\u6570\u7c7b\u578b\u76f8\u540c\uff0c\u4f7f\u7528 varargs \u63d0\u9ad8\u4e86\u65b9\u6cd5\u7684\u7075\u6d3b\u6027\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002 \u5982\u4f55\u4f7f\u7528\u5bf9\u8c61\u63a5\u6536 Java \u53c2\u6570\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff08varargs\uff09\u6765\u63a5\u6536\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u5141\u8bb8\u4e00\u4e2a\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u4e0d\u540c\u6570\u91cf\u7684\u540c\u7c7b\u578b\u53c2\u6570\u3002 \u8bed\u6cd5\uff1a public static void myMethod(String… args) { \/\/ args \u662f\u4e00\u4e2a String \u7c7b\u578b\u7684\u6570\u7ec4 } \u767b\u5f55\u540e\u590d\u5236 \u7528\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6211\u4eec\u53ef\u4ee5\u4ee5\u4e24\u79cd\u65b9\u5f0f\u4f20\u9012\u53c2\u6570\uff1a \u4f5c\u4e3a\u5355\u4e2a\u6570\u7ec4\uff1a String[] myArray = { “a”, “b”, “c” }; myMethod(myArray); \u767b\u5f55\u540e\u590d\u5236 \u4f5c\u4e3a\u72ec\u7acb\u7684\u53c2\u6570\uff1a myMethod(“a”, “b”, “c”); \u767b\u5f55\u540e\u590d\u5236 \u5185\u90e8\u673a\u5236\uff1a \u5f53 varargs \u53c2\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u4f20\u9012\u7ed9\u65b9\u6cd5\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u7c7b\u578b\u7531 varargs \u53c2\u6570\u7c7b\u578b\u51b3\u5b9a\u3002\u4f8b\u5982\uff0c\u4e0a\u9762\u7684 myMethod \u65b9\u6cd5\u5c06\u63a5\u6536\u4e00\u4e2a\u5305\u542b String \u5143\u7d20\u7684\u6570\u7ec4\u3002 \u4f18\u52bf\uff1a \u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a […]<\/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-34664","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34664","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=34664"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34664\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}