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    <title>创建型模式 on 杨刚的个人网站</title>
    <link>https://www.ygang.top/posts/3ab7256e/6e08a29a/16c47591/</link>
    <description>Recent content in 创建型模式 on 杨刚的个人网站</description>
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      <title>1、单例模式</title>
      <link>https://www.ygang.top/posts/3ab7256e/6e08a29a/16c47591/d6eeb5cd/</link>
      <pubDate>Sat, 11 Nov 2023 00:00:00 +0000</pubDate>
      
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      <description>&lt;h2 class=&#34;relative group&#34;&gt;要解决的问题： 
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&lt;p&gt;所谓类的单例设计模式，就是采取一定的方法保证在整个的软件系统中，对某个类只能存在一个对象实例。&lt;/p&gt;</description>
      
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