{"id":66895,"date":"2025-05-03T14:47:09","date_gmt":"2025-05-03T06:47:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66895\/"},"modified":"2025-05-03T14:47:09","modified_gmt":"2025-05-03T06:47:09","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e5%b9%b3%e5%9d%87%e6%95%b0%e6%80%8e%e4%b9%88%e6%b1%82-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66895\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u5e73\u5747\u6570\u600e\u4e48\u6c42"},"content":{"rendered":"<blockquote><p>\n  \u65b9\u6cd5\uff1a\u521d\u59cb\u5316\u53d8\u91cf\u5b58\u50a8\u5e73\u5747\u6570\u3002\u904d\u5386\u6570\u7ec4\u7d2f\u52a0\u5143\u7d20\u503c\u3002\u9664\u4ee5\u6570\u7ec4\u5143\u7d20\u603b\u6570\u5f97\u5230\u5e73\u5747\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111717394331086.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u5e73\u5747\u6570\u600e\u4e48\u6c42\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u5e73\u5747\u6570\u600e\u4e48\u6c42\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6c42\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u6570<\/strong><\/p>\n<p>\u6c42\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>1. \u521d\u59cb\u5316\u53d8\u91cf<\/strong><br \/>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a double \u7c7b\u578b\u7684\u53d8\u91cf\u6765\u5b58\u50a8\u5e73\u5747\u6570\u3002<\/p>\n<pre>double average = 0;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u904d\u5386\u6570\u7ec4<\/strong><br \/>\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u7d2f\u52a0\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; columns; j++) {\n        average += array[i][j];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8ba1\u7b97\u5e73\u5747\u6570<\/strong><br \/>\u904d\u5386\u5b8c\u6210\u540e\uff0c\u5c06\u7d2f\u52a0\u7684\u603b\u548c\u9664\u4ee5\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u603b\u6570\u5373\u53ef\u5f97\u5230\u5e73\u5747\u6570\u3002<\/p>\n<pre>average \/= rows * columns;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5b8c\u6574\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>public static double getAverage(int[][] array) {\n    double average = 0;\n\n    for (int i = 0; i &lt; array.length; i++) {\n        for (int j = 0; j &lt; array[i].length; j++) {\n            average += array[i][j];\n        }\n    }\n\n    average \/= array.length * array[0].length;\n\n    return average;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[][] array = {\n    {1, 2, 3},\n    {4, 5, 6}\n};\n\ndouble average = getAverage(array);\n\nSystem.out.println(\"Average: \" + average); \/\/ \u8f93\u51fa\uff1a3.5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u5e73\u5747\u6570\u600e\u4e48\u6c42\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>\u65b9\u6cd5\uff1a\u521d\u59cb\u5316\u53d8\u91cf\u5b58\u50a8\u5e73\u5747\u6570\u3002\u904d\u5386\u6570\u7ec4\u7d2f\u52a0\u5143\u7d20\u503c\u3002\u9664\u4ee5\u6570\u7ec4\u5143\u7d20\u603b\u6570\u5f97\u5230\u5e73\u5747\u6570\u3002 \u5982\u4f55\u6c42\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u6570 \u6c42\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a 1. \u521d\u59cb\u5316\u53d8\u91cf\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a double \u7c7b\u578b\u7684\u53d8\u91cf\u6765\u5b58\u50a8\u5e73\u5747\u6570\u3002 double average = 0; \u767b\u5f55\u540e\u590d\u5236 2. \u904d\u5386\u6570\u7ec4\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u7d2f\u52a0\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (int i = 0; i &lt; rows; i++) { for (int j = 0; j &lt; columns; j++) { average += array[i][j]; } } \u767b\u5f55\u540e\u590d\u5236 3. \u8ba1\u7b97\u5e73\u5747\u6570\u904d\u5386\u5b8c\u6210\u540e\uff0c\u5c06\u7d2f\u52a0\u7684\u603b\u548c\u9664\u4ee5\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u603b\u6570\u5373\u53ef\u5f97\u5230\u5e73\u5747\u6570\u3002 average \/= rows * columns; \u767b\u5f55\u540e\u590d\u5236 \u5b8c\u6574\u4ee3\u7801\uff1a public [&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-66895","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66895","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=66895"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66895\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}