{"id":34765,"date":"2024-11-26T12:09:11","date_gmt":"2024-11-26T04:09:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34765\/"},"modified":"2024-11-26T12:09:11","modified_gmt":"2024-11-26T04:09:11","slug":"%e6%b5%ae%e7%82%b9%e5%9e%8b%e6%95%b0%e7%bb%84%e5%9c%a8java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34765\/","title":{"rendered":"\u6d6e\u70b9\u578b\u6570\u7ec4\u5728java\u4e2d\u600e\u4e48\u7528"},"content":{"rendered":"

\n java \u4e2d\u7684\u6d6e\u70b9\u578b\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u6d6e\u70b9\u6570\u5b57\uff0c\u4f8b\u5982\u79d1\u5b66\u8ba1\u7b97\u6216\u56fe\u5f62\u5904\u7406\u3002\u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4\u4f7f\u7528\u8bed\u6cd5\uff1afloat[] \u6216 double[] \u6570\u7ec4\u540d\u79f0 = new float\/double[\u5927\u5c0f]\u3002\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u53ef\u4ee5\u4f7f\u7528 for \u6216 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6570\u7ec4\u65b9\u6cd5\u5305\u62ec length\uff08\u5927\u5c0f\uff09\u3001sort\uff08\u6392\u5e8f\uff09\u3001copy\uff08\u590d\u5236\uff09\u3001fill\uff08\u586b\u5145\uff09\u3002\n<\/p><\/blockquote>\n

\"\u6d6e\u70b9\u578b\u6570\u7ec4\u5728java\u4e2d\u600e\u4e48\u7528\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u7684\u6d6e\u70b9\u578b\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6d6e\u70b9\u578b\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u6d6e\u70b9\u7c7b\u578b\uff08float \u6216 double\uff09\u6570\u636e\u7684\u5bb9\u5668\u3002\u6d6e\u70b9\u7c7b\u578b\u8868\u793a\u5177\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u5b57\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u7528\u4e8e\u9700\u8981\u5b58\u50a8\u7cbe\u786e\u503c\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u79d1\u5b66\u8ba1\u7b97\u6216\u56fe\u5f62\u5904\u7406\u3002<\/p>\n

\u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4<\/strong><\/p>\n

\u8981\u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

float[] floatArray = new float[size];\ndouble[] doubleArray = new double[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0csize \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5b83\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n
\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u7279\u5b9a\u7684\u5143\u7d20\u3002\u6570\u7ec4\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a size – 1\u3002<\/p>\n
floatArray[0] = 3.14f;  \/\/ \u8bbe\u7f6e\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a 3.14\ndoubleArray[size - 1] = 100.0;  \/\/ \u8bbe\u7f6e\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u4e3a 100.0<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u6216 forEach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n
for \u5faa\u73af\uff1a<\/strong><\/p>\n
for (int i = 0; i < floatArray.length; i++) {\n    \/\/ \u5bf9 floatArray[i] \u6267\u884c\u64cd\u4f5c\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
forEach \u5faa\u73af\uff1a<\/strong><\/p>\n
floatArray.forEach(element -> {\n    \/\/ \u5bf9 element \u6267\u884c\u64cd\u4f5c\n});<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u65b9\u6cd5<\/strong><\/p>\n
Java \u4e2d\u7684\u6570\u7ec4\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6709\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n
    \n
  • length\uff1a\u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u3002<\/li>\n
  • sort()\uff1a\u5bf9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n
  • copy()\uff1a\u5c06\u6570\u7ec4\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u3002<\/li>\n
  • fill()\uff1a\u7528\u7ed9\u5b9a\u503c\u586b\u5145\u6570\u7ec4\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    public class FloatArrayExample {\n\n    public static void main(String[] args) {\n        float[] temperatures = new float[5];\n\n        \/\/ \u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20\n        temperatures[0] = 20.5f;\n        temperatures[1] = 25.2f;\n        temperatures[2] = 18.7f;\n        temperatures[3] = 30.1f;\n        temperatures[4] = 23.6f;\n\n        \/\/ \u6253\u5370\u6570\u7ec4\u5143\u7d20\n        System.out.println(\"Temperatures:\");\n        for (float temperature : temperatures) {\n            System.out.println(temperature);\n        }\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u6d6e\u70b9\u578b\u6570\u7ec4\u5728java\u4e2d\u600e\u4e48\u7528\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":"
    java \u4e2d\u7684\u6d6e\u70b9\u578b\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u6d6e\u70b9\u6570\u5b57\uff0c\u4f8b\u5982\u79d1\u5b66\u8ba1\u7b97\u6216\u56fe\u5f62\u5904\u7406\u3002\u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4\u4f7f\u7528\u8bed\u6cd5\uff1afloat[] \u6216 double[] \u6570\u7ec4\u540d\u79f0 = new float\/double[\u5927\u5c0f]\u3002\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u53ef\u4ee5\u4f7f\u7528 for \u6216 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6570\u7ec4\u65b9\u6cd5\u5305\u62ec length\uff08\u5927\u5c0f\uff09\u3001sort\uff08\u6392\u5e8f\uff09\u3001copy\uff08\u590d\u5236\uff09\u3001fill\uff08\u586b\u5145\uff09\u3002 Java \u4e2d\u7684\u6d6e\u70b9\u578b\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6d6e\u70b9\u578b\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u6d6e\u70b9\u7c7b\u578b\uff08float \u6216 double\uff09\u6570\u636e\u7684\u5bb9\u5668\u3002\u6d6e\u70b9\u7c7b\u578b\u8868\u793a\u5177\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u5b57\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u7528\u4e8e\u9700\u8981\u5b58\u50a8\u7cbe\u786e\u503c\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u79d1\u5b66\u8ba1\u7b97\u6216\u56fe\u5f62\u5904\u7406\u3002 \u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4 \u8981\u521b\u5efa\u6d6e\u70b9\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b float[] floatArray = new float[size]; double[] doubleArray = new double[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0csize \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5b83\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u7279\u5b9a\u7684\u5143\u7d20\u3002\u6570\u7ec4\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a size – 1\u3002 floatArray[0] = 3.14f; \/\/ \u8bbe\u7f6e\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a 3.14 doubleArray[size – 1] […]<\/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-34765","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34765","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=34765"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34765\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}