{"id":66536,"date":"2025-05-03T16:51:44","date_gmt":"2025-05-03T08:51:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66536\/"},"modified":"2025-05-03T16:51:44","modified_gmt":"2025-05-03T08:51:44","slug":"java%e6%80%8e%e4%b9%88%e7%94%a8%e7%ba%bf%e6%80%a7%e8%a1%a8%e5%bb%ba%e7%ab%8b%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66536\/","title":{"rendered":"java\u600e\u4e48\u7528\u7ebf\u6027\u8868\u5efa\u7acb\u6570\u7ec4"},"content":{"rendered":"

\n \u4f7f\u7528\u7ebf\u6027\u8868\u5728 java \u4e2d\u521b\u5efa\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u5bfc\u5165\u7ebf\u6027\u8868\u5e93 import java.util.arraylist;\u521b\u5efa\u7ebf\u6027\u8868 list mylist = new arraylist();\u5411\u7ebf\u6027\u8868\u6dfb\u52a0\u5143\u7d20 mylist.add(10);\u521b\u5efa\u6570\u7ec4 int[] myarray = new int[mylist.size()];\u5c06\u7ebf\u6027\u8868\u5143\u7d20\u590d\u5236\u5230\u6570\u7ec4 for (int i = 0; i <\/p>\n

\"java\u600e\u4e48\u7528\u7ebf\u6027\u8868\u5efa\u7acb\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528\u7ebf\u6027\u8868\u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n

\u6b65\u9aa4\uff1a<\/strong><\/p>\n

    \n
  1. \n

    \u5bfc\u5165\u7ebf\u6027\u8868\u5e93<\/strong><\/p>\n

    import java.util.ArrayList;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  2. \n
    \u521b\u5efa\u7ebf\u6027\u8868<\/strong><\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    List<Integer> myList = new ArrayList<>();<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  3. \n
    \u5411\u7ebf\u6027\u8868\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n
    myList.add(10);\nmyList.add(20);\nmyList.add(30);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  4. \n
    \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n
    int[] myArray = new int[myList.size()];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  5. \n
    \u5c06\u7ebf\u6027\u8868\u5143\u7d20\u590d\u5236\u5230\u6570\u7ec4<\/strong><\/p>\n
    for (int i = 0; i < myList.size(); i++) {\n myArray[i] = myList.get(i);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    import java.util.ArrayList;\n\npublic class Main {\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u7ebf\u6027\u8868\n        List<Integer> myList = new ArrayList<>();\n\n        \/\/ \u5411\u7ebf\u6027\u8868\u6dfb\u52a0\u5143\u7d20\n        myList.add(10);\n        myList.add(20);\n        myList.add(30);\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        int[] myArray = new int[myList.size()];\n\n        \/\/ \u5c06\u7ebf\u6027\u8868\u5143\u7d20\u590d\u5236\u5230\u6570\u7ec4\n        for (int i = 0; i < myList.size(); i++) {\n            myArray[i] = myList.get(i);\n        }\n\n        \/\/ \u6253\u5370\u6570\u7ec4\n        for (int element : myArray) {\n            System.out.println(element);\n        }\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236\n<\/p><\/blockquote>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7528\u7ebf\u6027\u8868\u5efa\u7acb\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f7f\u7528\u7ebf\u6027\u8868\u5728 java \u4e2d\u521b\u5efa\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u5bfc\u5165\u7ebf\u6027\u8868\u5e93 import java.util.arraylist;\u521b\u5efa\u7ebf\u6027\u8868 list mylist = new arraylist();\u5411\u7ebf\u6027\u8868\u6dfb\u52a0\u5143\u7d20 mylist.add(10);\u521b\u5efa\u6570\u7ec4 int[] myarray = new int[mylist.size()];\u5c06\u7ebf\u6027\u8868\u5143\u7d20\u590d\u5236\u5230\u6570\u7ec4 for (int i = 0; i \u5982\u4f55\u4f7f\u7528\u7ebf\u6027\u8868\u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4 \u6b65\u9aa4\uff1a \u5bfc\u5165\u7ebf\u6027\u8868\u5e93 import java.util.ArrayList; \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u7ebf\u6027\u8868 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b List<Integer> myList = new ArrayList<>(); \u767b\u5f55\u540e\u590d\u5236 \u5411\u7ebf\u6027\u8868\u6dfb\u52a0\u5143\u7d20 myList.add(10); myList.add(20); myList.add(30); \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u6570\u7ec4 int[] myArray = new int[myList.size()]; \u767b\u5f55\u540e\u590d\u5236 \u5c06\u7ebf\u6027\u8868\u5143\u7d20\u590d\u5236\u5230\u6570\u7ec4 for (int i = […]<\/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-66536","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66536","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=66536"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66536\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}