{"id":64559,"date":"2025-05-03T14:53:08","date_gmt":"2025-05-03T06:53:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64559\/"},"modified":"2025-05-03T14:53:08","modified_gmt":"2025-05-03T06:53:08","slug":"java%e6%95%b0%e7%bb%84%e7%9a%84%e6%95%b0%e6%80%8e%e4%b9%88%e5%8d%95%e4%b8%aa%e6%8f%90%e5%87%ba%e6%9d%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64559\/","title":{"rendered":"java\u6570\u7ec4\u7684\u6570\u600e\u4e48\u5355\u4e2a\u63d0\u51fa\u6765"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u503c\u63d0\u53d6\u3002\u6b65\u9aa4\uff1a1. \u786e\u5b9a\u5143\u7d20\u7d22\u5f15\uff1b2. \u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\u8bbf\u95ee\u5143\u7d20\uff0c\u4f8b\u5982\uff1aarray[index]\uff1b3. \u6ce8\u610f\u7d22\u5f15\u503c\u8303\u56f4\uff0c\u907f\u514d\u8d8a\u754c\u5f02\u5e38\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110401182673328.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u7684\u6570\u600e\u4e48\u5355\u4e2a\u63d0\u51fa\u6765\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u7684\u6570\u600e\u4e48\u5355\u4e2a\u63d0\u51fa\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5355\u4e2a\u63d0\u53d6 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u7d22\u5f15\u503c\u6765\u63d0\u53d6\u3002\u7d22\u5f15\u503c\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li> <strong>\u786e\u5b9a\u5143\u7d20\u7d22\u5f15\uff1a<\/strong>\u786e\u5b9a\u8981\u63d0\u53d6\u7684\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u65b9\u62ec\u53f7 ([])\uff1a<\/strong>\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c ing the element, \u4f8b\u5982\uff1aarray[index].<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u63d0\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\nint firstElement = numbers[0]; \/\/ \u8f93\u51fa\uff1a1\n\n\/\/ \u63d0\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nint lastElement = numbers[numbers.length - 1]; \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u7d22\u5f15\u503c\u4e0d\u80fd\u8d85\u51fa\u6570\u7ec4\u7684\u8303\u56f4\u3002<\/li>\n<li>\u5982\u679c\u7d22\u5f15\u503c\u5c0f\u4e8e 0 \u6216\u5927\u4e8e\u6216\u7b49\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5219\u4f1a\u629b\u51fa ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u7684\u6570\u600e\u4e48\u5355\u4e2a\u63d0\u51fa\u6765\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u503c\u63d0\u53d6\u3002\u6b65\u9aa4\uff1a1. \u786e\u5b9a\u5143\u7d20\u7d22\u5f15\uff1b2. \u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\u8bbf\u95ee\u5143\u7d20\uff0c\u4f8b\u5982\uff1aarray[index]\uff1b3. \u6ce8\u610f\u7d22\u5f15\u503c\u8303\u56f4\uff0c\u907f\u514d\u8d8a\u754c\u5f02\u5e38\u3002 \u5982\u4f55\u5355\u4e2a\u63d0\u53d6 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20 \u65b9\u6cd5\uff1a Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u7d22\u5f15\u503c\u6765\u63d0\u53d6\u3002\u7d22\u5f15\u503c\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002 \u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u786e\u5b9a\u5143\u7d20\u7d22\u5f15\uff1a\u786e\u5b9a\u8981\u63d0\u53d6\u7684\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002 \u4f7f\u7528\u65b9\u62ec\u53f7 ([])\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c ing the element, \u4f8b\u5982\uff1aarray[index]. \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u63d0\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20 int firstElement = numbers[0]; \/\/ \u8f93\u51fa\uff1a1 \/\/ \u63d0\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20 int lastElement = numbers[numbers.length &#8211; 1]; \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\u4e8b\u9879\uff1a \u7d22\u5f15\u503c\u4e0d\u80fd\u8d85\u51fa\u6570\u7ec4\u7684\u8303\u56f4\u3002 \u5982\u679c\u7d22\u5f15\u503c\u5c0f\u4e8e 0 \u6216\u5927\u4e8e\u6216\u7b49\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5219\u4f1a\u629b\u51fa [&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-64559","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64559","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=64559"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64559\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}