{"id":65879,"date":"2025-05-03T12:53:14","date_gmt":"2025-05-03T04:53:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65879\/"},"modified":"2025-05-03T12:53:14","modified_gmt":"2025-05-03T04:53:14","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e7%9a%84%e4%b8%8b%e6%a0%87%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65879\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6570\u7ec4\u4e0b\u6807\uff1a\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\u51cf 1\uff1b\u6570\u7ec4\u8d8a\u754c\uff1a\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u4e0b\u6807\u65f6\u53d1\u751f\uff0c\u5bfc\u81f4 indexoutofboundsexception\u3002\u4e0b\u6807\u8ba1\u7b97\uff1a\u4e0b\u6807 = \u5143\u7d20\u4f4d\u7f6e &#8211; 1\uff1b\u4f7f\u7528\u793a\u4f8b\uff1a\u83b7\u53d6\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a\u4e0b\u6807 0\uff1b\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a\u4e0b\u6807\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111313514496753.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6570\u7ec4\u4e0b\u6807\u8868\u793a<\/strong><\/p>\n<p>Java \u4e2d\u7684\u6570\u7ec4\u4f7f\u7528\u6574\u6570\u4e0b\u6807\u6765\u8868\u793a\u5176\u5143\u7d20\u3002\u6570\u7ec4\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4f4d\u4e8e\u4e0b\u6807 0 \u5904\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002<\/p>\n<p><strong>\u4e0b\u6807\u8ba1\u7b97<\/strong><\/p>\n<p>\u6570\u7ec4\u4e0b\u6807\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u4e0b\u6807 = \u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e - 1<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u6570\u7ec4\u6709 5 \u4e2a\u5143\u7d20\uff0c\u7d22\u5f15\u4e3a 1 \u7684\u5143\u7d20\u662f\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002\u4e0b\u6807\u8ba1\u7b97\u5982\u4e0b\uff1a<\/p>\n<pre>\u4e0b\u6807 = 2 - 1 = 1<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u8d8a\u754c<\/strong><\/p>\n<p>\u5f53\u60a8\u5c1d\u8bd5\u8bbf\u95ee\u6570\u7ec4\u4e2d\u4e0d\u5b58\u5728\u7684\u4e0b\u6807\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6570\u7ec4\u8d8a\u754c\u3002\u6570\u7ec4\u8d8a\u754c\u9519\u8bef\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u629b\u51fa IndexOutOfBoundsException\u3002<\/p>\n<p><strong>\u4f8b\u5b50<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u6570\u7ec4\u4e0b\u6807\u7684\u4f7f\u7528\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\nint firstElement = numbers[0];\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nint lastElement = numbers[numbers.length - 1];\n\n\/\/ \u5c1d\u8bd5\u83b7\u53d6\u6570\u7ec4\u4e2d\u4e0d\u5b58\u5728\u7684\u5143\u7d20\n\/\/ \u8fd9\u5c06\u5bfc\u81f4\u6570\u7ec4\u8d8a\u754c\u9519\u8bef\nint outOfBoundsElement = numbers[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u7684\u4e0b\u6807\u600e\u4e48\u8868\u793a\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 \u4e2d\u6570\u7ec4\u4e0b\u6807\uff1a\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\u51cf 1\uff1b\u6570\u7ec4\u8d8a\u754c\uff1a\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u4e0b\u6807\u65f6\u53d1\u751f\uff0c\u5bfc\u81f4 indexoutofboundsexception\u3002\u4e0b\u6807\u8ba1\u7b97\uff1a\u4e0b\u6807 = \u5143\u7d20\u4f4d\u7f6e &#8211; 1\uff1b\u4f7f\u7528\u793a\u4f8b\uff1a\u83b7\u53d6\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a\u4e0b\u6807 0\uff1b\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a\u4e0b\u6807\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002 Java \u4e2d\u6570\u7ec4\u4e0b\u6807\u8868\u793a Java \u4e2d\u7684\u6570\u7ec4\u4f7f\u7528\u6574\u6570\u4e0b\u6807\u6765\u8868\u793a\u5176\u5143\u7d20\u3002\u6570\u7ec4\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4f4d\u4e8e\u4e0b\u6807 0 \u5904\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002 \u4e0b\u6807\u8ba1\u7b97 \u6570\u7ec4\u4e0b\u6807\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4e0b\u6807 = \u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e &#8211; 1 \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u6570\u7ec4\u6709 5 \u4e2a\u5143\u7d20\uff0c\u7d22\u5f15\u4e3a 1 \u7684\u5143\u7d20\u662f\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002\u4e0b\u6807\u8ba1\u7b97\u5982\u4e0b\uff1a \u4e0b\u6807 = 2 &#8211; 1 = 1 \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u8d8a\u754c \u5f53\u60a8\u5c1d\u8bd5\u8bbf\u95ee\u6570\u7ec4\u4e2d\u4e0d\u5b58\u5728\u7684\u4e0b\u6807\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6570\u7ec4\u8d8a\u754c\u3002\u6570\u7ec4\u8d8a\u754c\u9519\u8bef\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u629b\u51fa IndexOutOfBoundsException\u3002 \u4f8b\u5b50 \u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u6570\u7ec4\u4e0b\u6807\u7684\u4f7f\u7528\uff1a int[] numbers = {1, 2, 3, 4, 5}; [&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-65879","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65879","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=65879"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65879\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}