{"id":66557,"date":"2025-05-03T14:55:47","date_gmt":"2025-05-03T06:55:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66557\/"},"modified":"2025-05-03T14:55:47","modified_gmt":"2025-05-03T06:55:47","slug":"java%e6%80%8e%e4%b9%88%e8%ae%a9%e6%95%b0%e7%bb%84%e6%b1%82%e5%b9%b3%e5%9d%87%e6%95%b0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66557\/","title":{"rendered":"java\u600e\u4e48\u8ba9\u6570\u7ec4\u6c42\u5e73\u5747\u6570"},"content":{"rendered":"

\n java \u6c42\u6570\u7ec4\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u6709\uff1a1. \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u7d2f\u52a0\u5143\u7d20\u503c\uff0c\u9664\u4ee5\u6570\u7ec4\u957f\u5ea6\uff1b2. \u5bf9\u6570\u7ec4\u6392\u5e8f\uff0c\u53d6\u4e2d\u95f4\u5143\u7d20\u7684\u503c\uff08\u4ec5\u9650\u5143\u7d20\u4e2a\u6570\u4e3a\u5947\u6570\u7684\u60c5\u51b5\uff09\uff1b3. \u4f7f\u7528 stream api \u7684 intstream.average() \u65b9\u6cd5\u76f4\u63a5\u8ba1\u7b97\u5e73\u5747\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8ba9\u6570\u7ec4\u6c42\u5e73\u5747\u6570\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u6c42\u6570\u7ec4\u5e73\u5747\u6570<\/strong><\/p>\n

\u7b80\u4ecb<\/strong>
\u6c42\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e73\u5747\u6570\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002<\/p>\n

\u65b9\u6cd5 1\uff1a\u4f7f\u7528 for \u5faa\u73af<\/strong>
\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u7d2f\u52a0\u5143\u7d20\u7684\u503c\u3002\u7136\u540e\uff0c\u5c06\u7d2f\u52a0\u503c\u9664\u4ee5\u6570\u7ec4\u7684\u957f\u5ea6\u5373\u53ef\u83b7\u5f97\u5e73\u5747\u6570\u3002<\/p>\n

int[] numbers = {1, 2, 3, 4, 5};\ndouble sum = 0.0;\nfor (int num : numbers) {\n    sum += num;\n}\ndouble average = sum \/ numbers.length;\nSystem.out.println(\"\u5e73\u5747\u6570\u4e3a\uff1a\" + average);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u65b9\u6cd5 2\uff1a\u4f7f\u7528 Collections.sort()<\/strong>
Java Collections \u6846\u67b6\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u7b80\u6d01\u7684\u6c42\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u53d6\u4e2d\u95f4\u5143\u7d20\u7684\u503c\u3002\u4f46\u662f\uff0c\u6b64\u65b9\u6cd5\u4ec5\u9002\u7528\u4e8e\u6570\u7ec4\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\u5947\u6570\u7684\u60c5\u51b5\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nArrays.sort(numbers);\ndouble average = numbers[numbers.length \/ 2];\nSystem.out.println(\"\u5e73\u5747\u6570\u4e3a\uff1a\" + average);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u65b9\u6cd5 3\uff1a\u4f7f\u7528 Stream API<\/strong>
Java 8 \u5f15\u5165\u4e86 Stream API\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u73b0\u4ee3\u5316\u7684\u6c42\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 IntStream.average() \u65b9\u6cd5\u76f4\u63a5\u8ba1\u7b97\u6570\u7ec4\u5143\u7d20\u7684\u5e73\u5747\u503c\u3002<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\ndouble average = Arrays.stream(numbers).average().getAsDouble();\nSystem.out.println(\"\u5e73\u5747\u6570\u4e3a\uff1a\" + average);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8ba9\u6570\u7ec4\u6c42\u5e73\u5747\u6570\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
java \u6c42\u6570\u7ec4\u5e73\u5747\u6570\u7684\u65b9\u6cd5\u6709\uff1a1. \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u7d2f\u52a0\u5143\u7d20\u503c\uff0c\u9664\u4ee5\u6570\u7ec4\u957f\u5ea6\uff1b2. \u5bf9\u6570\u7ec4\u6392\u5e8f\uff0c\u53d6\u4e2d\u95f4\u5143\u7d20\u7684\u503c\uff08\u4ec5\u9650\u5143\u7d20\u4e2a\u6570\u4e3a\u5947\u6570\u7684\u60c5\u51b5\uff09\uff1b3. \u4f7f\u7528 stream api \u7684 intstream.average() \u65b9\u6cd5\u76f4\u63a5\u8ba1\u7b97\u5e73\u5747\u503c\u3002 \u5982\u4f55\u4f7f\u7528 Java \u6c42\u6570\u7ec4\u5e73\u5747\u6570 \u7b80\u4ecb\u6c42\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e73\u5747\u6570\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002 \u65b9\u6cd5 1\uff1a\u4f7f\u7528 for \u5faa\u73af\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u7d2f\u52a0\u5143\u7d20\u7684\u503c\u3002\u7136\u540e\uff0c\u5c06\u7d2f\u52a0\u503c\u9664\u4ee5\u6570\u7ec4\u7684\u957f\u5ea6\u5373\u53ef\u83b7\u5f97\u5e73\u5747\u6570\u3002 int[] numbers = {1, 2, 3, 4, 5}; double sum = 0.0; for (int num : numbers) { sum += num; } double average = sum \/ numbers.length; System.out.println(“\u5e73\u5747\u6570\u4e3a\uff1a” + average); […]<\/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-66557","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66557","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=66557"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66557\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}