{"id":64132,"date":"2025-05-03T09:15:31","date_gmt":"2025-05-03T01:15:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64132\/"},"modified":"2025-05-03T09:15:31","modified_gmt":"2025-05-03T01:15:31","slug":"java-%e5%8f%82%e6%95%b02%e4%b8%aa%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bc%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64132\/","title":{"rendered":"java \u53c2\u65702\u4e2a\u6570\u7ec4\u600e\u4e48\u4f20"},"content":{"rendered":"

\n \u5411 java \u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u7684\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a\u4f7f\u7528 varargs\uff1a\u5141\u8bb8\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u53c2\u6570\u7c7b\u578b\u76f8\u540c\u3002\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\uff1a\u6307\u5b9a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u8868\u793a\u4e00\u7ec4\u76f8\u540c\u7c7b\u578b\u7684\u503c\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

\u5982\u4f55\u5411 Java \u65b9\u6cd5\u4f20\u9012 2 \u4e2a\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528 Varargs<\/strong><\/p>\n

Varargs\uff08\u53ef\u53d8\u53c2\u6570\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8bed\u6cd5\u529f\u80fd\uff0c\u5b83\u5141\u8bb8\u5728\u4e00\u4e2a\u65b9\u6cd5\u7b7e\u540d\u4e2d\u6307\u5b9a\u591a\u4e2a\u540c\u7c7b\u578b\u7684\u53c2\u6570\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

public static void method(int... numbers) {\n    \/\/ numbers \u662f\u4e00\u4e2a\u53ef\u53d8\u53c2\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684 int \u7c7b\u578b\u53c2\u6570\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5b50\uff1a<\/strong><\/p>\n
method(1, 2, 3, 4, 5);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570<\/strong><\/p>\n
\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u65b9\u6cd5\u53c2\u6570\uff1a<\/p>\n
public static void method(int[] numbers) {\n    \/\/ numbers \u662f\u4e00\u4e2a int \u7c7b\u578b\u6570\u7ec4\uff0c\u8868\u793a\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684 int \u503c\u5e8f\u5217\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5b50\uff1a<\/strong><\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nmethod(numbers);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9009\u62e9\u5408\u9002\u7684\u4f20\u9012\u65b9\u5f0f<\/strong><\/p>\n
\u9009\u62e9\u54ea\u79cd\u4f20\u9012\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n
    \n
  •  \u6570\u7ec4\u5927\u5c0f\uff1a<\/strong>\u5982\u679c\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u5df2\u77e5\u7684\u5e76\u4e14\u4e0d\u4f1a\u66f4\u6539\uff0c\u5efa\u8bae\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\u3002<\/li>\n
  •  \u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u5982\u679c\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u52a8\u6001\u7684\u6216\u5c06\u6765\u53ef\u80fd\u4f1a\u589e\u957f\uff0c\u5219\u5efa\u8bae\u4f7f\u7528 varargs\u3002<\/li>\n
  •  \uff1a<\/strong>\u4e00\u822c\u6765\u8bf4\uff0c\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava \u53c2\u65702\u4e2a\u6570\u7ec4\u600e\u4e48\u4f20\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5411 java \u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u7684\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a\u4f7f\u7528 varargs\uff1a\u5141\u8bb8\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u53c2\u6570\u7c7b\u578b\u76f8\u540c\u3002\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570\uff1a\u6307\u5b9a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u8868\u793a\u4e00\u7ec4\u76f8\u540c\u7c7b\u578b\u7684\u503c\u3002 \u5982\u4f55\u5411 Java \u65b9\u6cd5\u4f20\u9012 2 \u4e2a\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u5411\u65b9\u6cd5\u4f20\u9012\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 Varargs Varargs\uff08\u53ef\u53d8\u53c2\u6570\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8bed\u6cd5\u529f\u80fd\uff0c\u5b83\u5141\u8bb8\u5728\u4e00\u4e2a\u65b9\u6cd5\u7b7e\u540d\u4e2d\u6307\u5b9a\u591a\u4e2a\u540c\u7c7b\u578b\u7684\u53c2\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public static void method(int… numbers) { \/\/ numbers \u662f\u4e00\u4e2a\u53ef\u53d8\u53c2\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684 int \u7c7b\u578b\u53c2\u6570 } \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5b50\uff1a method(1, 2, 3, 4, 5); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u53c2\u6570 \u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u4f5c\u4e3a\u65b9\u6cd5\u53c2\u6570\uff1a public static void method(int[] numbers) { \/\/ numbers \u662f\u4e00\u4e2a int \u7c7b\u578b\u6570\u7ec4\uff0c\u8868\u793a\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684 int \u503c\u5e8f\u5217 } \u767b\u5f55\u540e\u590d\u5236 […]<\/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-64132","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64132","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=64132"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64132\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}