{"id":34923,"date":"2024-11-26T08:52:11","date_gmt":"2024-11-26T00:52:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34923\/"},"modified":"2024-11-26T08:52:11","modified_gmt":"2024-11-26T00:52:11","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aaf-n-%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34923\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2af n \u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u5b9a\u4e49 float \u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u4f7f\u7528\u8bed\u6cd5 “float[] arrayname;” \u5b9a\u4e49\u6570\u7ec4\u3002\u4f7f\u7528\u5b57\u9762\u91cf\u521d\u59cb\u5316\u5668\u6216 “new float[size]” \u521d\u59cb\u5316\u6570\u7ec4\u3002\u901a\u8fc7 “arrayname[index]” \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2af<\/p>\n

\u5982\u4f55\u7528 Java \u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4<\/strong><\/p>\n

\u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4<\/strong><\/p>\n

\u8981\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

float[] arrayName;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • [] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u6570\u7ec4\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
    \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n
    \u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u4e4b\u4e00\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\uff1a<\/p>\n
      \n
    • \u4f7f\u7528\u5b57\u9762\u91cf\u521d\u59cb\u5316\u5668\uff1a<\/strong><\/li>\n<\/ul>\n
      float[] arrayName = {1.2f, 3.4f, 5.6f};<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \n
      • \u4f7f\u7528 new \u5173\u952e\u5b57\uff1a<\/strong><\/li>\n<\/ul>\n
        float[] arrayName = new float[size];<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u5176\u4e2d\uff1a<\/p>\n
        \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
          \n
        • size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n
        • new \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u6570\u7ec4\u7684\u65b0\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
          \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
          \u8981\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
          float element = arrayName[index];<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u5176\u4e2d\uff1a<\/p>\n
          \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
            \n
          • element \u662f\u6570\u7ec4\u5143\u7d20\u7684\u503c\u3002<\/li>\n
          • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
          • index \u662f\u8981\u8bbf\u95ee\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
            \u793a\u4f8b<\/strong><\/p>\n
            \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9a\u4e49\u3001\u521d\u59cb\u5316\u548c\u8bbf\u95ee float \u6570\u7ec4\u5143\u7d20\u7684\u793a\u4f8b\uff1a<\/p>\n
            public class FloatArrayExample {\n\n    public static void main(String[] args) {\n        \/\/ \u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a numbers \u7684 float \u6570\u7ec4\n        float[] numbers;\n\n        \/\/ \u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a 3\n        numbers = new float[3];\n\n        \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u5728\u5176\u4e2d\u5b58\u50a8\u503c\n        numbers[0] = 1.2f;\n        numbers[1] = 3.4f;\n        numbers[2] = 5.6f;\n\n        \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u6253\u5370\u503c\n        System.out.println(numbers[0]); \/\/ \u8f93\u51fa\uff1a1.2\n        System.out.println(numbers[1]); \/\/ \u8f93\u51fa\uff1a3.4\n        System.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a5.6\n    }\n}<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2af n \u6570\u7ec4\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":"
            \u5728 java \u4e2d\u5b9a\u4e49 float \u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u4f7f\u7528\u8bed\u6cd5 “float[] arrayname;” \u5b9a\u4e49\u6570\u7ec4\u3002\u4f7f\u7528\u5b57\u9762\u91cf\u521d\u59cb\u5316\u5668\u6216 “new float[size]” \u521d\u59cb\u5316\u6570\u7ec4\u3002\u901a\u8fc7 “arrayname[index]” \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u7528 Java \u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4 \u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4 \u8981\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a float \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a float[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 [] \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u6570\u7ec4\u7c7b\u578b\u3002 \u521d\u59cb\u5316\u6570\u7ec4 \u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u4e4b\u4e00\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\uff1a \u4f7f\u7528\u5b57\u9762\u91cf\u521d\u59cb\u5316\u5668\uff1a float[] arrayName = {1.2f, 3.4f, 5.6f}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 new \u5173\u952e\u5b57\uff1a float[] arrayName = new float[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a […]<\/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-34923","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34923","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=34923"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34923\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}