{"id":37821,"date":"2024-11-26T17:44:27","date_gmt":"2024-11-26T09:44:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37821\/"},"modified":"2024-11-26T17:44:27","modified_gmt":"2024-11-26T09:44:27","slug":"java%e9%87%8c%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37821\/","title":{"rendered":"java\u91cc\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521b\u5efa"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u662f\u5bf9\u8c61\u7684\u5f15\u7528\u96c6\u5408\uff0c\u800c\u975e\u526f\u672c\u3002\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u6307\u5b9a\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5e76\u5206\u914d\u7ed9\u6570\u7ec4\u53d8\u91cf\u3002\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111311181647763.jpg\" class=\"aligncenter\" title=\"java\u91cc\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521b\u5efa\u63d2\u56fe\" alt=\"java\u91cc\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521b\u5efa\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5982\u4f55\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u662f\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u7684\u96c6\u5408\u3002\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4e0d\u540c\uff0c\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u7684\u526f\u672c\u3002<\/p>\n<p><strong>\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u58f0\u660e\u6570\u7ec4\u53d8\u91cf<\/strong>\uff1a\u58f0\u660e\u4e00\u4e2a\u5f15\u7528\u5bf9\u8c61\u6570\u7ec4\u53d8\u91cf\uff0c\u5e76\u6307\u5b9a\u5176\u7c7b\u578b\u548c\u5927\u5c0f\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>Object[] myArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u521d\u59cb\u5316\u6570\u7ec4<\/strong>\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5e76\u5c06\u5176\u5206\u914d\u7ed9\u6570\u7ec4\u53d8\u91cf\u3002<\/p>\n<pre>myArray = new Object[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<pre>myArray[0] = \"Hello\";\nmyArray[1] = new Integer(10);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u58f0\u660e\u4e00\u4e2a\u5b58\u50a8\u5b57\u7b26\u4e32\u7684\u5bf9\u8c61\u6570\u7ec4\u5e76\u521d\u59cb\u5316\u4e3a 3 \u4e2a\u5143\u7d20\nString[] names = new String[3];\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u8d4b\u503c\nnames[0] = \"John\";\nnames[1] = \"Mary\";\nnames[2] = \"Bob\";\n\n\/\/ \u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\nfor (String name : names) {\n    System.out.println(name);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u8c61\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u5bf9\u8c61\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 Object \u7c7b\u4f5c\u4e3a\u901a\u7528\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521b\u5efa\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":"<p>java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u662f\u5bf9\u8c61\u7684\u5f15\u7528\u96c6\u5408\uff0c\u800c\u975e\u526f\u672c\u3002\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u6307\u5b9a\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5e76\u5206\u914d\u7ed9\u6570\u7ec4\u53d8\u91cf\u3002\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002 Java \u4e2d\u5982\u4f55\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u662f\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u7684\u96c6\u5408\u3002\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4e0d\u540c\uff0c\u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u7684\u526f\u672c\u3002 \u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff1a\u58f0\u660e\u4e00\u4e2a\u5f15\u7528\u5bf9\u8c61\u6570\u7ec4\u53d8\u91cf\uff0c\u5e76\u6307\u5b9a\u5176\u7c7b\u578b\u548c\u5927\u5c0f\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Object[] myArray; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\u6570\u7ec4\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u6570\u7ec4\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5e76\u5c06\u5176\u5206\u914d\u7ed9\u6570\u7ec4\u53d8\u91cf\u3002 myArray = new Object[5]; \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 myArray[0] = &#8220;Hello&#8221;; myArray[1] = new Integer(10); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \/\/ \u58f0\u660e\u4e00\u4e2a\u5b58\u50a8\u5b57\u7b26\u4e32\u7684\u5bf9\u8c61\u6570\u7ec4\u5e76\u521d\u59cb\u5316\u4e3a 3 \u4e2a\u5143\u7d20 String[] names = new String[3]; \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u8d4b\u503c names[0] = &#8220;John&#8221;; names[1] = &#8220;Mary&#8221;; names[2] = &#8220;Bob&#8221;; \/\/ \u4f7f\u7528 [&hellip;]<\/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-37821","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37821","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=37821"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37821\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}