{"id":37558,"date":"2024-11-26T13:33:50","date_gmt":"2024-11-26T05:33:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37558\/"},"modified":"2024-11-26T13:33:50","modified_gmt":"2024-11-26T05:33:50","slug":"java%e6%95%b0%e7%bb%84%e4%b8%8b%e6%a0%87%e8%b6%8a%e7%95%8c%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37558\/","title":{"rendered":"java\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u600e\u4e48\u89e3\u51b3"},"content":{"rendered":"<blockquote><p>\n  \u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u89e3\u51b3\u65b9\u6cd5\uff1a\u68c0\u67e5\u7d22\u5f15\u6709\u6548\u6027\u4f7f\u7528\u8fb9\u754c\u68c0\u67e5\u7c7b\uff08\u5982 java \u4e2d\u7684 arrayindexoutofboundsexception\uff09\u4f7f\u7528 sentinel \u503c\u6307\u793a\u6570\u7ec4\u7ed3\u675f\u5faa\u73af\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\uff08\u5982 java \u4e2d\u7684 length \u5c5e\u6027\uff09\u91c7\u7528\u52a8\u6001\u6570\u7ec4\uff08\u5982 java \u4e2d\u7684 arraylist\uff09\u4f7f\u7528\u5185\u5b58\u8d8a\u754c\u4fdd\u62a4\u5668\u68c0\u6d4b\u548c\u9632\u6b62\u8d8a\u754c\u8bbf\u95ee\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307123643224.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u7684\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u662f\u6307\u8bbf\u95ee\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u7684\u7d22\u5f15\u8d85\u51fa\u4e86\u6570\u7ec4\u7684\u6709\u6548\u8303\u56f4\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u6216\u8fd4\u56de\u4e0d\u6b63\u786e\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u89e3\u51b3\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u95ee\u9898\u7684\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u5728\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u4e4b\u524d\uff0c\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u5728\u6570\u7ec4\u8303\u56f4\u5185\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528 if \u8bed\u53e5\u6216 assert \u8bed\u53e5\u6765\u68c0\u67e5\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528\u6570\u7ec4\u8fb9\u754c\u68c0\u67e5\u7c7b<\/strong><\/p>\n<ul>\n<li>\u67d0\u4e9b\u7f16\u7a0b\u8bed\u8a00\u4e3a\u6570\u7ec4\u63d0\u4f9b\u4e86\u8fb9\u754c\u68c0\u67e5\u7c7b\uff0c\u53ef\u4ee5\u81ea\u52a8\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548\u3002<\/li>\n<li>\u4f8b\u5982\uff0cJava \u4e2d\u7684 ArrayIndexOutOfBoundsException \u7c7b\u5728\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684\u7d22\u5f15\u65f6\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p><strong>3. \u4f7f\u7528 sentinel \u503c<\/strong><\/p>\n<ul>\n<li>Sentinel \u503c\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u6807\u8bb0\uff0c\u6307\u793a\u6570\u7ec4\u7684\u7ed3\u675f\u3002<\/li>\n<li>\u5f53\u7d22\u5f15\u8fbe\u5230 sentinel \u503c\u65f6\uff0c\u505c\u6b62\u904d\u5386\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528\u5faa\u73af\u8fb9\u754c<\/strong><\/p>\n<ul>\n<li>\u5728\u5faa\u73af\u4e2d\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u5faa\u73af\u8fb9\u754c\u800c\u4e0d\u662f\u56fa\u5b9a\u7684\u7d22\u5f15\u503c\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u7684 length \u5c5e\u6027\u6765\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<p><strong>5. \u4f7f\u7528\u52a8\u6001\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li>\u52a8\u6001\u6570\u7ec4\uff0c\u5982 Java \u4e2d\u7684 ArrayList\uff0c\u53ef\u4ee5\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u65b0\u5143\u7d20\u3002<\/li>\n<li>\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4e0b\u6807\u8d8a\u754c\u95ee\u9898\uff0c\u56e0\u4e3a\u52a8\u6001\u6570\u7ec4\u5c06\u81ea\u52a8\u6269\u5c55\u4ee5\u5bb9\u7eb3\u65b0\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>6. \u4f7f\u7528\u5185\u5b58\u8d8a\u754c\u4fdd\u62a4\u5668<\/strong><\/p>\n<ul>\n<li>\u5185\u5b58\u8d8a\u754c\u4fdd\u62a4\u5668\u662f\u4e00\u79cd\u5de5\u5177\uff0c\u53ef\u4ee5\u68c0\u6d4b\u548c\u9632\u6b62\u5185\u5b58\u8d8a\u754c\u8bbf\u95ee\uff0c\u5305\u62ec\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u3002<\/li>\n<li>\u5b83\u901a\u8fc7\u5728\u6570\u7ec4\u8fb9\u754c\u5468\u56f4\u6dfb\u52a0\u989d\u5916\u7684\u4fdd\u62a4\u5185\u5b58\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5f53\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684\u7d22\u5f15\u65f6\uff0c\u5b83\u4f1a\u89e6\u53d1\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u600e\u4e48\u89e3\u51b3\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>\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u89e3\u51b3\u65b9\u6cd5\uff1a\u68c0\u67e5\u7d22\u5f15\u6709\u6548\u6027\u4f7f\u7528\u8fb9\u754c\u68c0\u67e5\u7c7b\uff08\u5982 java \u4e2d\u7684 arrayindexoutofboundsexception\uff09\u4f7f\u7528 sentinel \u503c\u6307\u793a\u6570\u7ec4\u7ed3\u675f\u5faa\u73af\u4f7f\u7528\u6570\u7ec4\u957f\u5ea6\uff08\u5982 java \u4e2d\u7684 length \u5c5e\u6027\uff09\u91c7\u7528\u52a8\u6001\u6570\u7ec4\uff08\u5982 java \u4e2d\u7684 arraylist\uff09\u4f7f\u7528\u5185\u5b58\u8d8a\u754c\u4fdd\u62a4\u5668\u68c0\u6d4b\u548c\u9632\u6b62\u8d8a\u754c\u8bbf\u95ee \u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u7684\u89e3\u51b3\u65b9\u6cd5 \u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u662f\u6307\u8bbf\u95ee\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u7684\u7d22\u5f15\u8d85\u51fa\u4e86\u6570\u7ec4\u7684\u6709\u6548\u8303\u56f4\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u6216\u8fd4\u56de\u4e0d\u6b63\u786e\u7684\u7ed3\u679c\u3002 \u89e3\u51b3\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\u95ee\u9898\u7684\u65b9\u6cd5\uff1a 1. \u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5728\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u4e4b\u524d\uff0c\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u5728\u6570\u7ec4\u8303\u56f4\u5185\u3002 \u53ef\u4ee5\u4f7f\u7528 if \u8bed\u53e5\u6216 assert \u8bed\u53e5\u6765\u68c0\u67e5\u7d22\u5f15\u3002 2. \u4f7f\u7528\u6570\u7ec4\u8fb9\u754c\u68c0\u67e5\u7c7b \u67d0\u4e9b\u7f16\u7a0b\u8bed\u8a00\u4e3a\u6570\u7ec4\u63d0\u4f9b\u4e86\u8fb9\u754c\u68c0\u67e5\u7c7b\uff0c\u53ef\u4ee5\u81ea\u52a8\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548\u3002 \u4f8b\u5982\uff0cJava \u4e2d\u7684 ArrayIndexOutOfBoundsException \u7c7b\u5728\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684\u7d22\u5f15\u65f6\u4f1a\u629b\u51fa\u5f02\u5e38\u3002 3. \u4f7f\u7528 sentinel \u503c Sentinel \u503c\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u6807\u8bb0\uff0c\u6307\u793a\u6570\u7ec4\u7684\u7ed3\u675f\u3002 \u5f53\u7d22\u5f15\u8fbe\u5230 sentinel \u503c\u65f6\uff0c\u505c\u6b62\u904d\u5386\u6570\u7ec4\u3002 4. \u4f7f\u7528\u5faa\u73af\u8fb9\u754c \u5728\u5faa\u73af\u4e2d\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528\u5faa\u73af\u8fb9\u754c\u800c\u4e0d\u662f\u56fa\u5b9a\u7684\u7d22\u5f15\u503c\u3002 \u4f8b\u5982\uff0c\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u7684 length \u5c5e\u6027\u6765\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002 5. \u4f7f\u7528\u52a8\u6001\u6570\u7ec4 \u52a8\u6001\u6570\u7ec4\uff0c\u5982 Java [&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-37558","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37558","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=37558"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37558\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}