{"id":65564,"date":"2025-05-03T09:36:13","date_gmt":"2025-05-03T01:36:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65564\/"},"modified":"2025-05-03T09:36:13","modified_gmt":"2025-05-03T01:36:13","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0%e6%95%b0%e7%bb%84%e6%b1%82%e5%92%8c%e8%bf%90%e7%ae%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65564\/","title":{"rendered":"java\u600e\u4e48\u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7 java \u6c42\u6570\u7ec4\u548c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528 for \u5faa\u73af\u9010\u4e2a\u904d\u5386\u5e76\u7d2f\u52a0\u5143\u7d20\uff1b\u6216\u8005\u4f7f\u7528 java 8 \u6d41\u5f0f api \u7684 sum() \u65b9\u6cd5\u76f4\u63a5\u6c42\u548c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111303545044825.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 for \u5faa\u73af\u6216\u6d41\u5f0f API \u6765\u6c42\u53d6\u6570\u7ec4\u5143\u7d20\u4e4b\u548c\u3002<\/p>\n<p><strong>\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u4f9d\u6b21\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\u5230\u4e00\u4e2a\u7d2f\u52a0\u53d8\u91cf\u4e2d\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int sum = 0;\nfor (int element : array) {\n    sum += element;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u6d41\u5f0f API<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86\u6d41\u5f0f API\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u6c42\u53d6\u6570\u7ec4\u548c\uff1a<\/p>\n<pre>int sum = Arrays.stream(array).sum();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4e3e\u4f8b\u8bf4\u660e<\/strong><\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a numbers \u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u5143\u7d20 [1, 2, 3, 4, 5]:<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 for \u5faa\u73af\uff1a<\/strong><\/li>\n<\/ul>\n<pre>int sum = 0;\nfor (int element : numbers) {\n    sum += element;\n}\nSystem.out.println(\"\u5143\u7d20\u4e4b\u548c\uff1a \" + sum); \/\/ \u8f93\u51fa 15<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6d41\u5f0f API\uff1a<\/strong><\/li>\n<\/ul>\n<pre>int sum = Arrays.stream(numbers).sum();\nSystem.out.println(\"\u5143\u7d20\u4e4b\u548c\uff1a \" + sum); \/\/ \u8f93\u51fa 15<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97\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>\u901a\u8fc7 java \u6c42\u6570\u7ec4\u548c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528 for \u5faa\u73af\u9010\u4e2a\u904d\u5386\u5e76\u7d2f\u52a0\u5143\u7d20\uff1b\u6216\u8005\u4f7f\u7528 java 8 \u6d41\u5f0f api \u7684 sum() \u65b9\u6cd5\u76f4\u63a5\u6c42\u548c\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5b9e\u73b0\u6570\u7ec4\u6c42\u548c\u8fd0\u7b97 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 for \u5faa\u73af\u6216\u6d41\u5f0f API \u6765\u6c42\u53d6\u6570\u7ec4\u5143\u7d20\u4e4b\u548c\u3002 \u4f7f\u7528 for \u5faa\u73af \u8fd9\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u4f9d\u6b21\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\u5230\u4e00\u4e2a\u7d2f\u52a0\u53d8\u91cf\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int sum = 0; for (int element : array) { sum += element; } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6d41\u5f0f API Java 8 \u5f15\u5165\u4e86\u6d41\u5f0f API\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u6c42\u53d6\u6570\u7ec4\u548c\uff1a int sum = Arrays.stream(array).sum(); \u767b\u5f55\u540e\u590d\u5236 [&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-65564","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65564","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=65564"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65564\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}