{"id":39522,"date":"2024-11-26T13:21:48","date_gmt":"2024-11-26T05:21:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39522\/"},"modified":"2024-11-26T13:21:48","modified_gmt":"2024-11-26T05:21:48","slug":"java%e6%80%8e%e4%b9%88%e6%8b%bf%e6%95%b0%e7%bb%84%e5%90%8e%e9%9d%a2%e4%b8%a4%e4%b8%aa%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39522\/","title":{"rendered":"java\u600e\u4e48\u62ff\u6570\u7ec4\u540e\u9762\u4e24\u4e2a\u6570"},"content":{"rendered":"

\n \u83b7\u53d6 java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u7684\u65b9\u6cd5\uff1a\u786e\u5b9a\u6570\u7ec4\u957f\u5ea6\u3002\u8ba1\u7b97\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff08\u957f\u5ea6\u51cf\u4e00\uff09\u3002\u8ba1\u7b97\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff08\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u51cf\u4e00\uff09\u3002\u4f7f\u7528\u7d22\u5f15\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u62ff\u6570\u7ec4\u540e\u9762\u4e24\u4e2a\u6570\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20<\/strong><\/p>\n

\u8981\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \u786e\u5b9a\u6570\u7ec4\u957f\u5ea6\uff1a<\/strong>\u9996\u5148\uff0c\u901a\u8fc7 array.length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n
  2. \u8ba1\u7b97\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff1a<\/strong>\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6570\u7ec4\u957f\u5ea6\u51cf\u4e00\uff0c\u5373 length – 1\u3002<\/li>\n
  3. \u8ba1\u7b97\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff1a<\/strong>\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u51cf\u4e00\uff0c\u5373 length – 2\u3002<\/li>\n
  4. \u83b7\u53d6\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528\u7d22\u5f15\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\uff1a<\/p>\n

    int[] array = {1, 2, 3, 4, 5, 6};\nint length = array.length;\nint lastIndex = length - 1;\nint penultimateIndex = lastIndex - 1;\nint lastElement = array[lastIndex];\nint penultimateElement = array[penultimateIndex];\nSystem.out.println(\"\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a\" + penultimateElement);\nSystem.out.println(\"\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a\" + lastElement);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8f93\u51fa\uff1a<\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a5\n\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a6<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u62ff\u6570\u7ec4\u540e\u9762\u4e24\u4e2a\u6570\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":"
    \u83b7\u53d6 java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u7684\u65b9\u6cd5\uff1a\u786e\u5b9a\u6570\u7ec4\u957f\u5ea6\u3002\u8ba1\u7b97\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff08\u957f\u5ea6\u51cf\u4e00\uff09\u3002\u8ba1\u7b97\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff08\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7d22\u5f15\u51cf\u4e00\uff09\u3002\u4f7f\u7528\u7d22\u5f15\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u3002 \u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20 \u8981\u83b7\u53d6 Java \u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u786e\u5b9a\u6570\u7ec4\u957f\u5ea6\uff1a\u9996\u5148\uff0c\u901a\u8fc7 array.length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u8ba1\u7b97\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff1a\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6570\u7ec4\u957f\u5ea6\u51cf\u4e00\uff0c\u5373 length – 1\u3002 \u8ba1\u7b97\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\uff1a\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u51cf\u4e00\uff0c\u5373 length – 2\u3002 \u83b7\u53d6\u5143\u7d20\uff1a\u4f7f\u7528\u7d22\u5f15\u4ece\u6570\u7ec4\u4e2d\u83b7\u53d6\u6700\u540e\u4e24\u4e2a\u5143\u7d20\u3002 \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u4e2d\u6700\u540e\u4e24\u4e2a\u5143\u7d20\uff1a int[] array = {1, 2, 3, 4, 5, 6}; int length = array.length; int lastIndex = length – 1; int penultimateIndex = lastIndex – 1; int lastElement = array[lastIndex]; int penultimateElement = array[penultimateIndex]; […]<\/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-39522","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39522","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=39522"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39522\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}