{"id":40194,"date":"2024-11-26T14:20:41","date_gmt":"2024-11-26T06:20:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40194\/"},"modified":"2024-11-26T14:20:41","modified_gmt":"2024-11-26T06:20:41","slug":"java%e6%80%8e%e4%b9%88%e6%94%b9%e5%8f%98%e6%95%b0%e7%bb%84%e9%87%8c%e9%9d%a2%e7%9a%84%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40194\/","title":{"rendered":"java\u600e\u4e48\u6539\u53d8\u6570\u7ec4\u91cc\u9762\u7684\u7c7b"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5728 java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1f \u4fee\u6539\u6570\u7ec4\u4e2d\u5bf9\u8c61\u6b65\u9aa4\u5982\u4e0b\uff1a1. \u8bbf\u95ee\u5bf9\u8c61\uff1b2. \u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\uff1b3. \u66ff\u6362\u5bf9\u8c61\uff08\u53ef\u9009\uff09\uff1b4. \u6ce8\u610f\u4e0d\u53ef\u53d8\u5bf9\u8c61\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111722340780540.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6539\u53d8\u6570\u7ec4\u91cc\u9762\u7684\u7c7b\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6539\u53d8\u6570\u7ec4\u91cc\u9762\u7684\u7c7b\u63d2\u56fe\" \/><\/p>\n<h2>\u5982\u4f55\u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61<\/h2>\n<p>\u4fee\u6539\u6570\u7ec4\u4e2d\u5bf9\u8c61\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<h3>1. \u8bbf\u95ee\u5bf9\u8c61<\/h3>\n<p>\u8981\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u9996\u5148\u9700\u8981\u8bbf\u95ee\u8be5\u5bf9\u8c61\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u5177\u4f53\u7684\u5bf9\u8c61\uff1a<\/p>\n<pre>Object[] array = new Object[]{new Object(), new Object()};\nObject object = array[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>2. \u4fee\u6539\u5bf9\u8c61\u5c5e\u6027<\/h3>\n<p>\u4e00\u65e6\u8bbf\u95ee\u4e86\u5bf9\u8c61\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u5176\u5c5e\u6027\uff1a<\/p>\n<pre>object.setProperty(\"value\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>3. \u66ff\u6362\u5bf9\u8c61\uff08\u53ef\u9009\uff09<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66ff\u6362\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 set() \u65b9\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>array[0] = new Object();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>4. \u6ce8\u610f\u4e0d\u53ef\u53d8\u5bf9\u8c61<\/h3>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u6570\u7ec4\u4e2d\u5305\u542b\u4e0d\u53ef\u53d8\u5bf9\u8c61\uff0c\u5219\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\u5176\u5c5e\u6027\u3002\u5fc5\u987b\u521b\u5efa\u65b0\u5bf9\u8c61\u5e76\u66ff\u6362\u65e7\u5bf9\u8c61\u3002<\/p>\n<h3>\u793a\u4f8b\u4ee3\u7801<\/h3>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1a<\/p>\n<pre>public class Example {\n\n  public static void main(String[] args) {\n    Person[] people = new Person[]{new Person(\"Alice\"), new Person(\"Bob\")};\n\n    \/\/ \u4fee\u6539 Alice \u7684\u59d3\u540d\n    people[0].setName(\"Alice Smith\");\n\n    \/\/ \u7528\u65b0\u5bf9\u8c61\u66ff\u6362 Bob\n    people[1] = new Person(\"Charlie\");\n\n    \/\/ \u8f93\u51fa\u4fee\u6539\u540e\u7684\u6570\u7ec4\n    for (Person person : people) {\n      System.out.println(person.getName());\n    }\n  }\n\n  private static class Person {\n    private String name;\n\n    public Person(String name) {\n      this.name = name;\n    }\n\n    public String getName() {\n      return name;\n    }\n\n    public void setName(String name) {\n      this.name = name;\n    }\n  }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>Alice Smith\nCharlie<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6539\u53d8\u6570\u7ec4\u91cc\u9762\u7684\u7c7b\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>\u5982\u4f55\u5728 java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1f \u4fee\u6539\u6570\u7ec4\u4e2d\u5bf9\u8c61\u6b65\u9aa4\u5982\u4e0b\uff1a1. \u8bbf\u95ee\u5bf9\u8c61\uff1b2. \u4fee\u6539\u5bf9\u8c61\u5c5e\u6027\uff1b3. \u66ff\u6362\u5bf9\u8c61\uff08\u53ef\u9009\uff09\uff1b4. \u6ce8\u610f\u4e0d\u53ef\u53d8\u5bf9\u8c61\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61 \u4fee\u6539\u6570\u7ec4\u4e2d\u5bf9\u8c61\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a 1. \u8bbf\u95ee\u5bf9\u8c61 \u8981\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u9996\u5148\u9700\u8981\u8bbf\u95ee\u8be5\u5bf9\u8c61\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u5177\u4f53\u7684\u5bf9\u8c61\uff1a Object[] array = new Object[]{new Object(), new Object()}; Object object = array[0]; \u767b\u5f55\u540e\u590d\u5236 2. \u4fee\u6539\u5bf9\u8c61\u5c5e\u6027 \u4e00\u65e6\u8bbf\u95ee\u4e86\u5bf9\u8c61\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u5176\u5c5e\u6027\uff1a object.setProperty(&#8220;value&#8221;); \u767b\u5f55\u540e\u590d\u5236 3. \u66ff\u6362\u5bf9\u8c61\uff08\u53ef\u9009\uff09 \u5982\u679c\u9700\u8981\u66ff\u6362\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 set() \u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array[0] = new Object(); \u767b\u5f55\u540e\u590d\u5236 4. \u6ce8\u610f\u4e0d\u53ef\u53d8\u5bf9\u8c61 \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u6570\u7ec4\u4e2d\u5305\u542b\u4e0d\u53ef\u53d8\u5bf9\u8c61\uff0c\u5219\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\u5176\u5c5e\u6027\u3002\u5fc5\u987b\u521b\u5efa\u65b0\u5bf9\u8c61\u5e76\u66ff\u6362\u65e7\u5bf9\u8c61\u3002 \u793a\u4f8b\u4ee3\u7801 \u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1a public class Example { public static [&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-40194","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40194","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=40194"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40194\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}