{"id":64221,"date":"2025-05-03T09:07:17","date_gmt":"2025-05-03T01:07:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64221\/"},"modified":"2025-05-03T09:07:17","modified_gmt":"2025-05-03T01:07:17","slug":"java%e9%87%8c%e6%80%8e%e4%b9%88%e6%b1%82%e6%95%b0%e7%bb%84%e9%87%8c%e7%9a%84%e6%80%bb%e5%92%8c-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64221\/","title":{"rendered":"java\u91cc\u600e\u4e48\u6c42\u6570\u7ec4\u91cc\u7684\u603b\u548c"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u6709\u56db\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff1a(1) \u4f7f\u7528\u5faa\u73af\uff1b(2) \u4f7f\u7528 java 8 \u6d41\uff1b(3) \u4f7f\u7528 apache commons lang3\uff1b(4) \u4f7f\u7528\u5176\u4ed6\u5916\u90e8\u5e93\u3002\n<\/p><\/blockquote>\n

\"java\u91cc\u600e\u4e48\u6c42\u6570\u7ec4\u91cc\u7684\u603b\u548c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u7684\u603b\u548c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8ba1\u7b97\u6570\u7ec4\u4e2d\u7684\u603b\u548c\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528\u5faa\u73af<\/strong><\/li>\n<\/ol>\n

    \u4f7f\u7528\u5faa\u73af\u662f\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\uff1a<\/p>\n

    int[] nums = {1, 2, 3, 4, 5};\nint sum = 0;\nfor (int num : nums) {\n    sum += num;\n}\nSystem.out.println(\"\u6570\u7ec4\u7684\u603b\u548c\u4e3a\uff1a\" + sum);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \u4f7f\u7528 Java 8 \u6d41<\/strong><\/li>\n<\/ol>\n
      Java 8 \u6d41\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff1a<\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
      int[] nums = {1, 2, 3, 4, 5};\nint sum = Arrays.stream(nums).sum();\nSystem.out.println(\"\u6570\u7ec4\u7684\u603b\u548c\u4e3a\uff1a\" + sum);<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \n
      1. \u4f7f\u7528 Apache Commons Lang3<\/strong><\/li>\n<\/ol>\n
        Apache Commons Lang3 \u5e93\u63d0\u4f9b\u4e86 ArrayUtils.sum() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff1a<\/p>\n
        import org.apache.commons.lang3.ArrayUtils;\n\nint[] nums = {1, 2, 3, 4, 5};\nint sum = ArrayUtils.sum(nums);\nSystem.out.println(\"\u6570\u7ec4\u7684\u603b\u548c\u4e3a\uff1a\" + sum);<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \n
        1. \u4f7f\u7528\u5916\u90e8\u5e93<\/strong><\/li>\n<\/ol>\n
          \u6709\u8bb8\u591a\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff0c\u4f8b\u5982 Guava \u548c Joda-Time\u3002\u5177\u4f53\u4f7f\u7528\u65b9\u5f0f\u8bf7\u53c2\u8003\u76f8\u5e94\u7684\u5e93\u6587\u6863\u3002<\/p>\n
          \u9009\u62e9\u65b9\u6cd5<\/strong><\/p>\n
          \u54ea\u79cd\u65b9\u6cd5\u6700\u9002\u5408\u53d6\u51b3\u4e8e\u6570\u7ec4\u7684\u5927\u5c0f\u548c\u6027\u80fd\u8981\u6c42\u3002\u5bf9\u4e8e\u8f83\u5c0f\u7684\u6570\u7ec4\uff0c\u5faa\u73af\u65b9\u6cd5\u53ef\u80fd\u5c31\u8db3\u591f\u4e86\u3002\u5bf9\u4e8e\u8f83\u5927\u7684\u6570\u7ec4\uff0c\u4f7f\u7528\u6d41\u6216\u5916\u90e8\u5e93\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662fjava\u91cc\u600e\u4e48\u6c42\u6570\u7ec4\u91cc\u7684\u603b\u548c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5728 java \u4e2d\uff0c\u6709\u56db\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff1a(1) \u4f7f\u7528\u5faa\u73af\uff1b(2) \u4f7f\u7528 java 8 \u6d41\uff1b(3) \u4f7f\u7528 apache commons lang3\uff1b(4) \u4f7f\u7528\u5176\u4ed6\u5916\u90e8\u5e93\u3002 \u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u7684\u603b\u548c \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8ba1\u7b97\u6570\u7ec4\u4e2d\u7684\u603b\u548c\uff1a \u4f7f\u7528\u5faa\u73af \u4f7f\u7528\u5faa\u73af\u662f\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\uff1a int[] nums = {1, 2, 3, 4, 5}; int sum = 0; for (int num : nums) { sum += num; } System.out.println(“\u6570\u7ec4\u7684\u603b\u548c\u4e3a\uff1a” + sum); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Java 8 \u6d41 Java 8 \u6d41\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u8ba1\u7b97\u6570\u7ec4\u603b\u548c\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b […]<\/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-64221","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64221","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=64221"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64221\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}