{"id":38291,"date":"2024-11-26T15:53:26","date_gmt":"2024-11-26T07:53:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38291\/"},"modified":"2024-11-26T15:53:26","modified_gmt":"2024-11-26T07:53:26","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e6%95%b0%e7%bb%84%e7%9a%84%e6%95%b0%e7%9b%b8%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38291\/","title":{"rendered":"java\u600e\u4e48\u5c06\u6570\u7ec4\u7684\u6570\u76f8\u52a0"},"content":{"rendered":"<blockquote><p>\n  \u4e3a\u4e86\u5c06 java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u57fa\u672c for \u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u7d2f\u52a0\u5143\u7d20\uff1b2. \u4f7f\u7528 java 8 stream api \u7684 sum() \u65b9\u6cd5\u6765\u8ba1\u7b97\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u603b\u548c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111412184092281.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5c06\u6570\u7ec4\u7684\u6570\u76f8\u52a0\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5c06\u6570\u7ec4\u7684\u6570\u76f8\u52a0\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0<\/strong><\/p>\n<p>\u4e3a\u4e86\u5c06 Java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u57fa\u672c for \u5faa\u73af<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint sum = 0;\n\nfor (int i = 0; i &lt; numbers.length; i++) {\n    sum += numbers[i];\n}\n\nSystem.out.println(\"\u6570\u7ec4\u6570\u5b57\u7684\u548c\u4e3a\uff1a\" + sum);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a sum \u7684\u53d8\u91cf\u6765\u5b58\u50a8\u603b\u548c\u3002<\/li>\n<li>\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u5c06\u5f53\u524d\u5143\u7d20\u6dfb\u52a0\u5230 sum \u4e2d\u3002<\/li>\n<li>\u6253\u5370\u51fa\u6570\u7ec4\u4e2d\u6570\u5b57\u7684\u603b\u548c\u3002<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528 Java 8 Stream API<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Stream API\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u6cd5\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint sum = Arrays.stream(numbers).sum();\n\nSystem.out.println(\"\u6570\u7ec4\u6570\u5b57\u7684\u548c\u4e3a\uff1a\" + sum);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u4f7f\u7528 Arrays.stream() \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a Stream\u3002<\/li>\n<li>\u4f7f\u7528 sum() \u65b9\u6cd5\u6765\u8ba1\u7b97 Stream \u4e2d\u6240\u6709\u5143\u7d20\u7684\u603b\u548c\u3002<\/li>\n<li>\u6253\u5370\u51fa\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u6570\u7ec4\u7684\u6570\u76f8\u52a0\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\u5c06 java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u57fa\u672c for \u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u7d2f\u52a0\u5143\u7d20\uff1b2. \u4f7f\u7528 java 8 stream api \u7684 sum() \u65b9\u6cd5\u6765\u8ba1\u7b97\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u603b\u548c\u3002 \u5982\u4f55\u5c06 Java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0 \u4e3a\u4e86\u5c06 Java \u6570\u7ec4\u4e2d\u7684\u6570\u5b57\u76f8\u52a0\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528\u57fa\u672c for \u5faa\u73af int[] numbers = {1, 2, 3, 4, 5}; int sum = 0; for (int i = 0; i &lt; numbers.length; i++) { sum += numbers[i]; } System.out.println(&#8220;\u6570\u7ec4\u6570\u5b57\u7684\u548c\u4e3a\uff1a&#8221; + sum); \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\uff1a [&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-38291","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38291","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=38291"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38291\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}