{"id":203761,"date":"2025-05-22T14:10:46","date_gmt":"2025-05-22T06:10:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203761\/"},"modified":"2025-05-22T14:10:46","modified_gmt":"2025-05-22T06:10:46","slug":"java-%e9%9d%99%e6%80%81%e5%88%9d%e5%a7%8b%e5%8c%96%e6%95%b0%e7%bb%84%ef%bc%9a%e4%bd%bf%e7%94%a8-new-%e5%92%8c%e4%b8%8d%e4%bd%bf%e7%94%a8-new-%e7%9a%84%e5%8c%ba%e5%88%ab%e5%9c%a8%e5%93%aa%e9%87%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203761\/","title":{"rendered":"Java \u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528 new \u548c\u4e0d\u4f7f\u7528 new \u7684\u533a\u522b\u5728\u54ea\u91cc\uff1f"},"content":{"rendered":"

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

Java \u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528 new \u548c\u4e0d\u4f7f\u7528 new \u7684\u533a\u522b\u5728\u54ea\u91cc\uff1f<\/h1>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aJava \u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528 new \u548c\u4e0d\u4f7f\u7528 new \u7684\u533a\u522b\u5728\u54ea\u91cc\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

<\/p>\n

java \u9759\u6001\u521d\u59cb\u5316\u7684\u8e4a\u8df7\u4e4b\u5904\uff1a\u6709 new \u548c\u6ca1 new \u7684\u533a\u522b\u89e3\u6790<\/h2>\n

\u5728 java \u4e2d\uff0c\u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4f46\u4ee4\u4eba\u8d39\u89e3\u7684\u662f\uff0c\u8fd9\u4e24\u79cd\u65b9\u5f0f\u7adf\u6709\u7740\u622a\u7136\u4e0d\u540c\u7684\u7ed3\u679c\u3002<\/p>\n

\u95ee\u9898\uff1a\u4f7f\u7528 new \u548c\u4e0d\u4f7f\u7528 new \u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\u7684\u533a\u522b<\/strong><\/p>\n

\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528 new \u7684\u65b9\u5f0f\u4e0d\u4f1a\u62a5\u9519\uff0c\u800c\u4e0d\u7528 new \u7684\u65b9\u5f0f\u4f1a\u62a5\u7f16\u8bd1\u9519\u8bef\uff1a<\/p>\n

int[] arr = {3, 3, 5, 9, 11};          \/\/ \u9759\u6001\u521d\u59cb\u5316\uff0c\u4f7f\u7528new\narr = new int[] {3, 3, 5, 9, 11};      \/\/ \u9759\u6001\u521d\u59cb\u5316\uff0c\u4f7f\u7528new\n\nint[] arr = {3, 3, 5, 9, 11};          \/\/ \u9759\u6001\u521d\u59cb\u5316\uff0c\u4e0d\u7528new\narr = {3, 3, 5, 9, 11};               \/\/ \u7f16\u8bd1\u9519\u8bef<\/pre>\n
\u4e00\u4e9b\u8d44\u6599\u58f0\u79f0\u8fd9\u4e24\u79cd\u65b9\u5f0f\u6ca1\u6709\u533a\u522b\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u4e3a\u4e0d\u7528 new \u7684\u60c5\u51b5\u8865\u5145 new\u3002\u7136\u800c\uff0c\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002<\/p>\n
\u7b54\u6848\uff1a\u8bed\u6cd5\u7cd6\u4e0e\u8d4b\u503c\u7684\u672c\u8d28\u533a\u522b<\/strong><\/p>\n
int[] arr={3,3,5,9,11}; \u5e76\u4e0d\u662f\u771f\u6b63\u7684\u8bed\u6cd5\u7cd6\uff0c\u800c\u662f\u9759\u6001\u521d\u59cb\u5316\u7684\u8bed\u6cd5\u7cd6\u3002\u5f53\u7f16\u8bd1\u5668\u9047\u5230\u8fd9\u79cd\u8bed\u6cd5\u65f6\uff0c\u4f1a\u81ea\u52a8\u5c06\u5176\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684 new \u8868\u8fbe\u5f0f\u3002<\/p>\n
int[] arr = new int[] {3, 3, 5, 9, 11};<\/pre>\n
\u56e0\u6b64\uff0c\u5b9e\u9645\u4e0a\u8fd9\u4e24\u79cd\u65b9\u5f0f\u90fd\u662f\u4f7f\u7528 new \u6765\u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\u7684\u3002<\/p>\n
\u4f46\u662f\uff0carr={3,3,5,9,11}; \u5219\u5b8c\u5168\u4e0d\u540c\uff0c\u5b83\u76f8\u5f53\u4e8e\u5bf9 arr \u53d8\u91cf\u8fdb\u884c\u8d4b\u503c\u3002java \u4e0d\u652f\u6301\u8fd9\u79cd\u7ed9\u6570\u7ec4\u76f4\u63a5\u8d4b\u503c\u7684\u8bed\u6cd5\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java \u9759\u6001\u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528 ...<\/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-203761","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203761","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=203761"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203761\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}