{"id":39807,"date":"2024-11-26T13:56:44","date_gmt":"2024-11-26T05:56:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39807\/"},"modified":"2024-11-26T13:56:44","modified_gmt":"2024-11-26T05:56:44","slug":"java%e6%95%b0%e7%bb%84%e6%9c%80%e5%90%8e%e4%b8%80%e4%b8%aa%e5%85%83%e7%b4%a0%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39807\/","title":{"rendered":"java\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u600e\u4e48\u8868\u793a"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\uff0c\u4f8b\u5982\uff0c5 \u4e2a\u5143\u7d20\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u4e3a 4\u3002\u8981\u8bbf\u95ee\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u6570\u7ec4\u540d\u79f0\u540e\u8ddf\u7d22\u5f15\uff0c\u4f8b\u5982\uff1amyarray[myarray.length &#8211; 1]\uff0c\u8be5\u793a\u4f8b\u5c06\u8fd4\u56de\u6570\u7ec4 myarray \u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710370261931.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u600e\u4e48\u8868\u793a\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u600e\u4e48\u8868\u793a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5982\u4f55\u8868\u793a<\/strong><\/p>\n<p>Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u8868\u793a\u6cd5\u53d6\u51b3\u4e8e\u5176\u7d22\u5f15\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] myArray = {1, 2, 3, 4, 5};\n\n\/\/ \u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\nint lastIndex = myArray.length - 1;\n\n\/\/ \u8bbf\u95ee\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nint lastElement = myArray[lastIndex];\n\nSystem.out.println(lastElement); \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\uff0c\u56e0\u6b64\u65e0\u6cd5\u52a8\u6001\u8c03\u6574\u5176\u5927\u5c0f\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u8981\u66f4\u65b0\u6216\u6dfb\u52a0\u5143\u7d20\uff0c\u5219\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u6216\u4f7f\u7528\u52a8\u6001\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982 ArrayList\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u600e\u4e48\u8868\u793a\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 \u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\uff0c\u4f8b\u5982\uff0c5 \u4e2a\u5143\u7d20\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u4e3a 4\u3002\u8981\u8bbf\u95ee\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u6570\u7ec4\u540d\u79f0\u540e\u8ddf\u7d22\u5f15\uff0c\u4f8b\u5982\uff1amyarray[myarray.length &#8211; 1]\uff0c\u8be5\u793a\u4f8b\u5c06\u8fd4\u56de\u6570\u7ec4 myarray \u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002 Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5982\u4f55\u8868\u793a Java \u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u8868\u793a\u6cd5\u53d6\u51b3\u4e8e\u5176\u7d22\u5f15\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002 \u793a\u4f8b\uff1a int[] myArray = {1, 2, 3, 4, 5}; \/\/ \u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15 int lastIndex = myArray.length &#8211; 1; \/\/ \u8bbf\u95ee\u6700\u540e\u4e00\u4e2a\u5143\u7d20 int lastElement = myArray[lastIndex]; System.out.println(lastElement); \/\/ \u8f93\u51fa\uff1a5 \u767b\u5f55\u540e\u590d\u5236 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\uff0c\u56e0\u6b64\u65e0\u6cd5\u52a8\u6001\u8c03\u6574\u5176\u5927\u5c0f\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u8981\u66f4\u65b0\u6216\u6dfb\u52a0\u5143\u7d20\uff0c\u5219\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u6216\u4f7f\u7528\u52a8\u6001\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982 ArrayList\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u600e\u4e48\u8868\u793a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-39807","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39807","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=39807"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39807\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}