{"id":35250,"date":"2024-11-26T08:05:36","date_gmt":"2024-11-26T00:05:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35250\/"},"modified":"2024-11-26T08:05:36","modified_gmt":"2024-11-26T00:05:36","slug":"java%e6%80%8e%e4%b9%88%e5%88%a4%e6%96%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e8%b6%8a%e7%95%8c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35250\/","title":{"rendered":"java\u600e\u4e48\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u7684\u8d8a\u754c"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u662f\u5426\u8d8a\u754c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u624b\u52a8\u68c0\u67e5\uff1a\u9010\u4e2a\u7d22\u5f15\u6bd4\u8f83\u662f\u5426\u8d85\u8fc7\u6570\u7ec4\u884c\u6216\u5217\u957f\u5ea6\u3002\u4f7f\u7528 arrays.checkindex \u65b9\u6cd5\uff1a\u7b80\u6d01\u9ad8\u6548\uff0c\u53ef\u4ee5\u9632\u6b62\u6570\u7ec4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u9519\u8bef\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110322332873427.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u7684\u8d8a\u754c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u7684\u8d8a\u754c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u8d8a\u754c\u7684\u4e24\u79cd\u65b9\u6cd5<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5c06\u5143\u7d20\u5b58\u50a8\u5728\u884c\u548c\u5217\u7ec4\u6210\u7684\u8868\u683c\u4e2d\u3002\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u662f\u5426\u8d8a\u754c\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u53ef\u4ee5\u9632\u6b62\u51fa\u73b0\u6570\u7ec4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u5f02\u5e38\u3002<\/p>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a\u624b\u52a8\u68c0\u67e5<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f46\u4e5f\u662f\u6700\u8017\u65f6\u7684\u3002\u5b83\u6d89\u53ca\u68c0\u67e5\u6bcf\u4e2a\u7d22\u5f15\u662f\u5426\u5927\u4e8e\u6216\u7b49\u4e8e\u6570\u7ec4\u7684\u884c\u6216\u5217\u957f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] array = {{1, 2, 3}, {4, 5, 6}};\n\nint row = 1;\nint col = 3;\n\nif (row &gt;= 0 &amp;&amp; row &lt; array.length &amp;&amp; col &gt;= 0 &amp;&amp; col &lt; array[0].length) {\n    System.out.println(\"\u5143\u7d20\u5b58\u5728\");\n} else {\n    System.out.println(\"\u5143\u7d20\u8d8a\u754c\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528\u8fb9\u754c\u68c0\u67e5\u65b9\u6cd5<\/strong><\/p>\n<p>Java\u63d0\u4f9b\u4e86Arrays.checkIndex\u65b9\u6cd5\u6765\u68c0\u67e5\u6570\u7ec4\u7d22\u5f15\u662f\u5426\u8d8a\u754c\u3002\u5b83\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u6570\u7ec4\u7684\u957f\u5ea6\u3001\u8981\u68c0\u67e5\u7684\u7d22\u5f15\u548c\u6d88\u606f\uff08\u53ef\u9009\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[][] array = {{1, 2, 3}, {4, 5, 6}};\n\nint row = 1;\nint col = 3;\n\ntry {\n    Arrays.checkIndex(array.length, row);\n    Arrays.checkIndex(array[0].length, col);\n    System.out.println(\"\u5143\u7d20\u5b58\u5728\");\n} catch (IndexOutOfBoundsException e) {\n    System.out.println(\"\u5143\u7d20\u8d8a\u754c\uff1a\" + e.getMessage());\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u63a8\u8350\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>\u5efa\u8bae\u4f7f\u7528Arrays.checkIndex\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7b80\u6d01\u9ad8\u6548\u3002\u5b83\u53ef\u4ee5\u9632\u6b62\u51fa\u73b0\u6f5c\u5728\u7684\u6570\u7ec4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u9519\u8bef\uff0c\u4ece\u800c\u589e\u5f3a\u4ee3\u7801\u7684\u5065\u58ee\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u7684\u8d8a\u754c\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 \u4e2d\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u662f\u5426\u8d8a\u754c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u624b\u52a8\u68c0\u67e5\uff1a\u9010\u4e2a\u7d22\u5f15\u6bd4\u8f83\u662f\u5426\u8d85\u8fc7\u6570\u7ec4\u884c\u6216\u5217\u957f\u5ea6\u3002\u4f7f\u7528 arrays.checkindex \u65b9\u6cd5\uff1a\u7b80\u6d01\u9ad8\u6548\uff0c\u53ef\u4ee5\u9632\u6b62\u6570\u7ec4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u9519\u8bef\u3002 Java\u4e2d\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u8d8a\u754c\u7684\u4e24\u79cd\u65b9\u6cd5 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5c06\u5143\u7d20\u5b58\u50a8\u5728\u884c\u548c\u5217\u7ec4\u6210\u7684\u8868\u683c\u4e2d\u3002\u5224\u65ad\u4e8c\u7ef4\u6570\u7ec4\u662f\u5426\u8d8a\u754c\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u53ef\u4ee5\u9632\u6b62\u51fa\u73b0\u6570\u7ec4\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u5f02\u5e38\u3002 \u65b9\u6cd5\u4e00\uff1a\u624b\u52a8\u68c0\u67e5 \u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f46\u4e5f\u662f\u6700\u8017\u65f6\u7684\u3002\u5b83\u6d89\u53ca\u68c0\u67e5\u6bcf\u4e2a\u7d22\u5f15\u662f\u5426\u5927\u4e8e\u6216\u7b49\u4e8e\u6570\u7ec4\u7684\u884c\u6216\u5217\u957f\u5ea6\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array = {{1, 2, 3}, {4, 5, 6}}; int row = 1; int col = 3; if (row &gt;= 0 &amp;&amp; row &lt; array.length &amp;&amp; col &gt;= 0 &amp;&amp; col &lt; array[0].length) { System.out.println(&#8220;\u5143\u7d20\u5b58\u5728&#8221;); } else { System.out.println(&#8220;\u5143\u7d20\u8d8a\u754c&#8221;); } \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528\u8fb9\u754c\u68c0\u67e5\u65b9\u6cd5 Java\u63d0\u4f9b\u4e86Arrays.checkIndex\u65b9\u6cd5\u6765\u68c0\u67e5\u6570\u7ec4\u7d22\u5f15\u662f\u5426\u8d8a\u754c\u3002\u5b83\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u6570\u7ec4\u7684\u957f\u5ea6\u3001\u8981\u68c0\u67e5\u7684\u7d22\u5f15\u548c\u6d88\u606f\uff08\u53ef\u9009\uff09\u3002\u4f8b\u5982\uff1a int[][] array = [&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-35250","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35250","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=35250"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35250\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}