{"id":37348,"date":"2024-11-26T10:52:53","date_gmt":"2024-11-26T02:52:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37348\/"},"modified":"2024-11-26T10:52:53","modified_gmt":"2024-11-26T02:52:53","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e5%90%84%e4%bd%8d%e6%80%8e%e4%b9%88%e7%9b%b8%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37348\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u5404\u4f4d\u600e\u4e48\u76f8\u52a0"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u76f8\u52a0\u6709\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u6570\u503c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\u6216 arrays.stream() \u65b9\u6cd5\u76f8\u52a0\u5143\u7d20\u3002\u975e\u6570\u503c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\u6216 arrays.tostring() \u65b9\u6cd5\u5c06\u5143\u7d20\u8fde\u63a5\u8d77\u6765\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111304213052643.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u5404\u4f4d\u600e\u4e48\u76f8\u52a0\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u5404\u4f4d\u600e\u4e48\u76f8\u52a0\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6570\u7ec4\u5143\u7d20\u76f8\u52a0<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u76f8\u52a0\u3002\u8981\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u8fdb\u884c\u76f8\u5e94\u7684\u8fd0\u7b97\u3002<\/p>\n<p><strong>\u5bf9\u4e8e\u6570\u503c\u7c7b\u578b\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5faa\u73af\uff1a<\/strong><\/li>\n<\/ul>\n<p>\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u5c06\u5f53\u524d\u5143\u7d20\u6dfb\u52a0\u5230 sum \u53d8\u91cf\u4e2d\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint sum = 0;\nfor (int i = 0; i &lt; numbers.length; i++) {\n    sum += numbers[i];\n}\nSystem.out.println(\"Sum: \" + sum);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li><strong>\u4f7f\u7528 Arrays.stream()\uff1a<\/strong><\/li>\n<\/ul>\n<p>\u4f7f\u7528 Arrays.stream() \u65b9\u6cd5\u521b\u5efa\u6570\u7ec4\u7684\u6d41\uff0c\u5e76\u4f7f\u7528 sum() \u65b9\u6cd5\u5bf9\u6d41\u4e2d\u6240\u6709\u5143\u7d20\u6c42\u548c\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint sum = Arrays.stream(numbers).sum();\nSystem.out.println(\"Sum: \" + sum);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5bf9\u4e8e\u975e\u6570\u503c\u7c7b\u578b\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5faa\u73af\uff1a<\/strong><\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u6839\u636e\u5143\u7d20\u7c7b\u578b\u8fdb\u884c\u9002\u5f53\u7684\u76f8\u52a0\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e String \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 String.concat() \u65b9\u6cd5\u3002<\/p>\n<pre>String[] names = {\"Alice\", \"Bob\", \"Carol\"};\nString fullName = \"\";\nfor (String name : names) {\n    fullName = fullName.concat(name);\n}\nSystem.out.println(\"Full Name: \" + fullName);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li><strong>\u4f7f\u7528 Arrays.toString()\uff1a<\/strong><\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u975e\u6570\u503c\u7c7b\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a String \u5e76\u4f7f\u7528 String.join() \u65b9\u6cd5\u6765\u8fde\u63a5\u5143\u7d20\u3002<\/p>\n<pre>String[] names = {\"Alice\", \"Bob\", \"Carol\"};\nString fullName = String.join(\", \", names);\nSystem.out.println(\"Full Name: \" + fullName);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u5404\u4f4d\u600e\u4e48\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>\u5728 java \u4e2d\uff0c\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u76f8\u52a0\u6709\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u6570\u503c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\u6216 arrays.stream() \u65b9\u6cd5\u76f8\u52a0\u5143\u7d20\u3002\u975e\u6570\u503c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\u6216 arrays.tostring() \u65b9\u6cd5\u5c06\u5143\u7d20\u8fde\u63a5\u8d77\u6765\u3002 Java \u4e2d\u6570\u7ec4\u5143\u7d20\u76f8\u52a0 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u76f8\u52a0\u3002\u8981\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\u8fdb\u884c\u76f8\u5e94\u7684\u8fd0\u7b97\u3002 \u5bf9\u4e8e\u6570\u503c\u7c7b\u578b\u6570\u7ec4 \u4f7f\u7528\u5faa\u73af\uff1a \u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u5c06\u5f53\u524d\u5143\u7d20\u6dfb\u52a0\u5230 sum \u53d8\u91cf\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 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;Sum: &#8221; + sum); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.stream()\uff1a \u4f7f\u7528 Arrays.stream() [&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-37348","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37348","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=37348"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37348\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}