{"id":39949,"date":"2024-11-26T10:03:18","date_gmt":"2024-11-26T02:03:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39949\/"},"modified":"2024-11-26T10:03:18","modified_gmt":"2024-11-26T02:03:18","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%b1%82%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%b9%b3%e5%9d%87%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39949\/","title":{"rendered":"JAVA\u4e2d\u600e\u4e48\u6c42\u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570"},"content":{"rendered":"<blockquote><p>\n  \u4e3a\u4e86\u8ba1\u7b97 java \u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570\uff0c\u9700\u8981\uff1a(1) \u6c42\u548c\u6240\u6709\u6570\u7ec4\u5143\u7d20\uff1b(2) \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1b(3) \u5c06\u603b\u548c\u9664\u4ee5\u957f\u5ea6\u5e76\u5f3a\u5236\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111713551161286.jpg\" class=\"aligncenter\" title=\"JAVA\u4e2d\u600e\u4e48\u6c42\u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570\u63d2\u56fe\" alt=\"JAVA\u4e2d\u600e\u4e48\u6c42\u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u8ba1\u7b97 Java \u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570<\/strong><\/p>\n<p>\u5e73\u5747\u6570\u662f\u6570\u5b57\u5217\u8868\u4e2d\u6240\u6709\u6570\u5b57\u7684\u603b\u548c\u9664\u4ee5\u6570\u5b57\u7684\u4e2a\u6570\u3002\u5bf9\u4e8e\u4e00\u4e2a\u5305\u542b\u6570\u5b57\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8ba1\u7b97\u5e73\u5747\u6570\uff1a<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u6c42\u6570\u7ec4\u5143\u7d20\u7684\u603b\u548c<\/strong><\/p>\n<pre>int sum = 0;\nfor (int num : array) {\n    sum += num;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int length = array.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 3\uff1a\u8ba1\u7b97\u5e73\u5747\u6570<\/strong><\/p>\n<pre>double average = (double) sum \/ length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u6b65\u9aa4 3 \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 (double) \u5f3a\u5236\u8f6c\u6362\u6765\u786e\u4fdd\u5e73\u5747\u6570\u4e3a\u6d6e\u70b9\u6570\uff0c\u56e0\u4e3a\u6570\u7ec4\u5143\u7d20\u7684\u603b\u548c\u548c\u957f\u5ea6\u90fd\u662f\u6574\u6570\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\nint sum = 0;\nfor (int num : array) {\n    sum += num;\n}\nint length = array.length;\ndouble average = (double) sum \/ length;\nSystem.out.println(\"\u5e73\u5747\u6570\u4e3a\uff1a\" + average);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>\u5e73\u5747\u6570\u4e3a\uff1a3.0<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u4e2d\u600e\u4e48\u6c42\u6570\u7ec4\u4e2d\u7684\u5e73\u5747\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":"<p>\u4e3a\u4e86\u8ba1\u7b97 java \u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570\uff0c\u9700\u8981\uff1a(1) \u6c42\u548c\u6240\u6709\u6570\u7ec4\u5143\u7d20\uff1b(2) \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1b(3) \u5c06\u603b\u548c\u9664\u4ee5\u957f\u5ea6\u5e76\u5f3a\u5236\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002 \u5982\u4f55\u8ba1\u7b97 Java \u6570\u7ec4\u4e2d\u7684\u5e73\u5747\u6570 \u5e73\u5747\u6570\u662f\u6570\u5b57\u5217\u8868\u4e2d\u6240\u6709\u6570\u5b57\u7684\u603b\u548c\u9664\u4ee5\u6570\u5b57\u7684\u4e2a\u6570\u3002\u5bf9\u4e8e\u4e00\u4e2a\u5305\u542b\u6570\u5b57\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8ba1\u7b97\u5e73\u5747\u6570\uff1a \u6b65\u9aa4 1\uff1a\u6c42\u6570\u7ec4\u5143\u7d20\u7684\u603b\u548c int sum = 0; for (int num : array) { sum += num; } \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 2\uff1a\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int length = array.length; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 3\uff1a\u8ba1\u7b97\u5e73\u5747\u6570 double average = (double) sum \/ length; \u767b\u5f55\u540e\u590d\u5236 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u6b65\u9aa4 3 \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 (double) \u5f3a\u5236\u8f6c\u6362\u6765\u786e\u4fdd\u5e73\u5747\u6570\u4e3a\u6d6e\u70b9\u6570\uff0c\u56e0\u4e3a\u6570\u7ec4\u5143\u7d20\u7684\u603b\u548c\u548c\u957f\u5ea6\u90fd\u662f\u6574\u6570\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a int[] array = {1, [&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-39949","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39949","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=39949"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39949\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}