{"id":67008,"date":"2025-05-03T17:55:43","date_gmt":"2025-05-03T09:55:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67008\/"},"modified":"2025-05-03T17:55:43","modified_gmt":"2025-05-03T09:55:43","slug":"%e6%95%b0%e7%bb%84%e6%9c%80%e5%90%8e%e4%b8%80%e4%b8%aa%e6%95%b0%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96java-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67008\/","title":{"rendered":"\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u600e\u4e48\u83b7\u53d6java"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u7684\u65b9\u6cd5\u4e3a\uff1a\u8ba1\u7b97\u6570\u7ec4\u957f\u5ea6\u51cf\u4e00\u5f97\u5230\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\u3002\u4f7f\u7528\u6570\u7ec4\u540d\u79f0\u52a0\u4e0a\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\uff0c\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111723192832587.jpg\" class=\"aligncenter\" title=\"\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u600e\u4e48\u83b7\u53d6java\u63d2\u56fe\" alt=\"\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u600e\u4e48\u83b7\u53d6java\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u7684\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u540d\u79f0\u5e76\u4f7f\u7528\u5176 length \u5c5e\u6027\u5373\u53ef\u3002<\/p>\n<pre>int lastIndex = array.length - 1;\nint lastElement = array[lastIndex];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\nint lastIndex = numbers.length - 1;\nint lastElement = numbers[lastIndex];\n\nSystem.out.println(\"\u6700\u540e\u4e00\u4e2a\u6570\uff1a\" + lastElement); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u65b9\u6cd5<\/strong><\/p>\n<p>\u9664\u4e86\u4f7f\u7528 length \u5c5e\u6027\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\uff1a<\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 List \u7c7b\uff1a<\/strong>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List \u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528\u5176 get(int index) \u65b9\u6cd5\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li> <strong>\u4f7f\u7528 Arrays \u7c7b\uff1a<\/strong>\u8c03\u7528 Arrays.asList(array) \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\uff0c\u7136\u540e\u4f7f\u7528\u5176 get(int index) \u65b9\u6cd5\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u8fed\u4ee3\u5668\uff1a<\/strong>\u4f7f\u7528\u8fed\u4ee3\u5668\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528 next() \u65b9\u6cd5\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u600e\u4e48\u83b7\u53d6java\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>\u5728 java \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u7684\u65b9\u6cd5\u4e3a\uff1a\u8ba1\u7b97\u6570\u7ec4\u957f\u5ea6\u51cf\u4e00\u5f97\u5230\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\u3002\u4f7f\u7528\u6570\u7ec4\u540d\u79f0\u52a0\u4e0a\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\uff0c\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002 \u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570 \u5728 Java \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\u7684\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u540d\u79f0\u5e76\u4f7f\u7528\u5176 length \u5c5e\u6027\u5373\u53ef\u3002 int lastIndex = array.length &#8211; 1; int lastElement = array[lastIndex]; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int lastIndex = numbers.length &#8211; 1; int lastElement = numbers[lastIndex]; System.out.println(&#8220;\u6700\u540e\u4e00\u4e2a\u6570\uff1a&#8221; + lastElement); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u5176\u4ed6\u65b9\u6cd5 \u9664\u4e86\u4f7f\u7528 length \u5c5e\u6027\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u6570\uff1a \u4f7f\u7528 List [&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-67008","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67008","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=67008"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67008\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}