{"id":37499,"date":"2024-11-26T08:47:08","date_gmt":"2024-11-26T00:47:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37499\/"},"modified":"2024-11-26T08:47:08","modified_gmt":"2024-11-26T00:47:08","slug":"java%e6%80%8e%e4%b9%88%e7%94%a8%e6%95%b0%e7%bb%84%e8%b0%83%e7%94%a8%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37499\/","title":{"rendered":"java\u600e\u4e48\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff0c\u65b9\u6cd5\u5305\u62ec\uff1a1. \u5c06\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1b2. \u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff1b3. \u4f7f\u7528 arrays.stream() \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\u5e76\u8fdb\u884c\u51fd\u6570\u8c03\u7528\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111306301995517.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\u63d2\u56fe\" alt=\"java\u600e\u4e48\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528\u6570\u7ec4\u8c03\u7528 Java \u51fd\u6570<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u7b7e\u540d\u548c\u6570\u7ec4\u7684\u5143\u7d20\u7c7b\u578b\u3002<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u5c06\u6570\u7ec4\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/strong><\/p>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u5c06\u6570\u7ec4\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>public static void sumArray(int[] arr) {\n    int sum = 0;\n    for (int num : arr) {\n        sum += num;\n    }\n    System.out.println(\"Sum of array: \" + sum);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8c03\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u6216\u53d8\u91cf\u6765\u4f20\u9012\u6570\u7ec4\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nsumArray(arr);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528\u53ef\u53d8\u53c2\u6570<\/strong><\/p>\n<p>\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u3002\u8fd9\u53ef\u4ee5\u7528\u6765\u63a5\u6536\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u540c\u65f6\u4fdd\u6301\u51fd\u6570\u7b7e\u540d\u7684\u7b80\u6d01\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>public static void sumArray(int... arr) {\n    int sum = 0;\n    for (int num : arr) {\n        sum += num;\n    }\n    System.out.println(\"Sum of array: \" + sum);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65f6\uff0c\u53ef\u4ee5\u50cf\u4f20\u9012\u5355\u4e2a\u53c2\u6570\u4e00\u6837\u4f7f\u7528\u6570\u7ec4\uff1a<\/p>\n<pre>sumArray(1, 2, 3, 4, 5);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 Arrays.stream()<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Arrays.stream() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\u3002\u6d41\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u51fd\u6570\u8fdb\u884c\u64cd\u4f5c\uff0c\u5305\u62ec\u51fd\u6570\u8c03\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint sum = Arrays.stream(arr).sum();\nSystem.out.println(\"Sum of array: \" + sum);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u5bf9\u6570\u7ec4\u5143\u7d20\u6267\u884c\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7528\u6570\u7ec4\u8c03\u7528\u51fd\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>\u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff0c\u65b9\u6cd5\u5305\u62ec\uff1a1. \u5c06\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1b2. \u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff1b3. \u4f7f\u7528 arrays.stream() \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\u5e76\u8fdb\u884c\u51fd\u6570\u8c03\u7528\u3002 \u4f7f\u7528\u6570\u7ec4\u8c03\u7528 Java \u51fd\u6570 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u7b7e\u540d\u548c\u6570\u7ec4\u7684\u5143\u7d20\u7c7b\u578b\u3002 \u65b9\u6cd5 1\uff1a\u5c06\u6570\u7ec4\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570 \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u5c06\u6570\u7ec4\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public static void sumArray(int[] arr) { int sum = 0; for (int num : arr) { sum += num; } System.out.println(&#8220;Sum of array: &#8221; + sum); } \u767b\u5f55\u540e\u590d\u5236 \u5728\u8c03\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u6216\u53d8\u91cf\u6765\u4f20\u9012\u6570\u7ec4\uff1a int[] arr = {1, 2, 3, 4, 5}; [&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-37499","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37499","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=37499"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37499\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}