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style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-10923987/75127b2f38d002c1cf032e1f74a26aa9.png?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/10923987" track-click="{"objectType":"user","objectId":10923987}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://developer.qcloudimg.com/avatar/23987.png?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/10923987" track-click="{"objectType":"user","objectId":10923987}" target="_blank" class="author-info name">YY的秘密代码小屋</a><span class="author-info time"><time dateTime="2024-11-24 08:20:56" title="2024-11-24 08:20:56"> <span>5</span>小时前<span class="com-v-box">2024-11-24 08:20:56</span></time></span></div></div></div><p class="com-article-panel-v2-des"></p><div class="com-operations 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track-click="{"areaId":113001,"objectType":"tag","objectId":17290}" class="com-tag-v2">函数</a><a href="/developer/tag/17332?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17332}" class="com-tag-v2">进程</a><a href="/developer/tag/17440?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17440}" class="com-tag-v2">数据</a><a href="/developer/tag/10308?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":10308}" class="com-tag-v2">linux</a><a href="/developer/tag/17248?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17248}" class="com-tag-v2">对象</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-10923987/bf5fb8f0b40e4a01f417b6280bf588d8.png?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div 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href="/developer/tag/17183?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17183}" class="com-tag-v2">编程</a><a href="/developer/tag/17217?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17217}" class="com-tag-v2">程序员</a><a href="/developer/tag/17248?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17248}" class="com-tag-v2">对象</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-7079191/d3a182897767f9d7dde9d1501d53730e.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/7079191" track-click="{"objectType":"user","objectId":7079191}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://ask.qcloudimg.com/http-save/yehe-7079191/z6xkdwm7nc.jpeg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/7079191" track-click="{"objectType":"user","objectId":7079191}" target="_blank" class="author-info name">蒙娜丽宁</a><span class="author-info time"><time dateTime="2024-11-23 15:44:24" title="2024-11-23 15:44:24"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:44:24</span></time></span></div></div></div><p class="com-article-panel-v2-des">实现缓存：静态工厂方法可以返回相同的实例，而不是每次都创建一个新对象。例如，布尔值 Boolean.valueOf(true) 会返回 Boolean.TRUE...</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>17</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" 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track-click="{"areaId":113001,"objectType":"tag","objectId":17354}" class="com-tag-v2">垃圾回收</a><a href="/developer/tag/17382?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17382}" class="com-tag-v2">内存</a><a href="/developer/tag/10174?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":10174}" class="com-tag-v2">go</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-7079191/bedad53e35f5d4a5f16962b39b766835.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/7079191" track-click="{"objectType":"user","objectId":7079191}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://ask.qcloudimg.com/http-save/yehe-7079191/z6xkdwm7nc.jpeg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/7079191" track-click="{"objectType":"user","objectId":7079191}" target="_blank" class="author-info name">蒙娜丽宁</a><span class="author-info time"><time dateTime="2024-11-23 15:43:42" title="2024-11-23 15:43:42"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:43:42</span></time></span></div></div></div><p class="com-article-panel-v2-des">Go 的垃圾回收基于三色标记-清除算法。这个算法将堆中的对象分为三类：白色、灰色和黑色。白色对象是垃圾回收的候选对象，而灰色对象可能指向白色对象，黑色对象则不会...</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>36</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" 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track-click="{"areaId":113001,"objectType":"tag","objectId":17554}" class="com-tag-v2">优化</a><a href="/developer/tag/10688?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":10688}" class="com-tag-v2">jvm</a><a href="/developer/tag/17197?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17197}" class="com-tag-v2">并发</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-2253892/29f9cd0c41c8a7ceabe82e6f9b3c2083.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://developer.qcloudimg.com/http-save/10011/1b9c3652fd10c71666f670e276e212aa.jpg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="author-info name">码哥字节</a><span class="author-info time"><time dateTime="2024-11-23 15:33:17" title="2024-11-23 15:33:17"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:33:17</span></time></span></div></div></div><p class="com-article-panel-v2-des">这样就降低了对象频繁进入老年代的问题，实际上很多优化都是围绕着如何减少 Full GC 去做的，就是尽可能把短期存活的对象留在 survivor 里，不要进入老...</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>24</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" hotrep="community.tag.tag_detail.activities.article.2470091.sharing"><i class="com-i-share"></i></a><ul class="com-share-options"></ul></span></div></div></div></section><section class="com-article-panel-v2 higher"><a href="/developer/article/2470087" track-click="{"areaId":113001,"objectType":"article","objectId":2470087}" track-exposure="{"areaId":113001,"objectType":"article","objectId":2470087}" target="_blank" class="com-article-panel-v2-link"></a><div class="com-article-panel-v2-hd"><h3 class="com-article-panel-v2-title">vivo 校招：说一说 JVM 垃圾回收算法有哪些？分别用在哪些垃圾收集器？</h3><nav class="com-tag-v2-list com-article-panel-v2-tags"><a href="/developer/tag/17248?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17248}" class="com-tag-v2">对象</a><a href="/developer/tag/17354?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17354}" class="com-tag-v2">垃圾回收</a><a href="/developer/tag/17460?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17460}" class="com-tag-v2">算法</a><a href="/developer/tag/17508?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17508}" class="com-tag-v2">线程</a><a href="/developer/tag/10688?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":10688}" class="com-tag-v2">jvm</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-2253892/15f05cf0e4b71b7dc5b1fe72dc2dfc6f.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://developer.qcloudimg.com/http-save/10011/1b9c3652fd10c71666f670e276e212aa.jpg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="author-info name">码哥字节</a><span class="author-info time"><time dateTime="2024-11-23 15:28:47" title="2024-11-23 15:28:47"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:28:47</span></time></span></div></div></div><p class="com-article-panel-v2-des">通过维护每个对象的引用计数来判断对象是否可以被回收。当有一个指针引用它，那么引用计数+1，当引用计数为 0 时，表示没有被对象引用，可以被回收。</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>29</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" 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track-click="{"areaId":113001,"objectType":"tag","objectId":17248}" class="com-tag-v2">对象</a><a href="/developer/tag/17250?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17250}" class="com-tag-v2">多线程</a><a href="/developer/tag/17508?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17508}" class="com-tag-v2">线程</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-2253892/856708a32772c2570215881f64f7a0f7.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://developer.qcloudimg.com/http-save/10011/1b9c3652fd10c71666f670e276e212aa.jpg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="author-info name">码哥字节</a><span class="author-info time"><time dateTime="2024-11-23 15:26:47" title="2024-11-23 15:26:47"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:26:47</span></time></span></div></div></div><p class="com-article-panel-v2-des">通过 do while 实现了自旋，getAndAddInt() 循环获取给定对象 o 中的偏移量处的值 v，然后判断内存值是否等于 v。</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>16</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" 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track-click="{"areaId":113001,"objectType":"tag","objectId":17440}" class="com-tag-v2">数据</a><a href="/developer/tag/17508?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17508}" class="com-tag-v2">线程</a><a href="/developer/tag/17525?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17525}" class="com-tag-v2">性能</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-2253892/01d865f2098c061e385e8035cfe20f56.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://developer.qcloudimg.com/http-save/10011/1b9c3652fd10c71666f670e276e212aa.jpg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/2253892" track-click="{"objectType":"user","objectId":2253892}" target="_blank" class="author-info name">码哥字节</a><span class="author-info time"><time dateTime="2024-11-23 15:23:47" title="2024-11-23 15:23:47"> <span>22</span>小时前<span class="com-v-box">2024-11-23 15:23:47</span></time></span></div></div></div><p class="com-article-panel-v2-des">对象头主要包括标记字段 Mark World，元数据指针，如果是数组对象的话，对象头还必须存储数组长度。</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>44</span><span class="com-opt-link link-like"><i class="com-i-like"></i>1</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" 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class="com-tag-v2">go</a><a href="/developer/tag/17248?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17248}" class="com-tag-v2">对象</a><a href="/developer/tag/17264?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17264}" class="com-tag-v2">服务</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-3014091/fd0353f0b6d37cfc372c98dd8f502d3e.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/3014091" track-click="{"objectType":"user","objectId":3014091}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://ask.qcloudimg.com/random-avatar/3014091/rjj1xj4v7.png)"></span></a><div class="com-media-body"><a href="/developer/user/3014091" track-click="{"objectType":"user","objectId":3014091}" target="_blank" class="author-info name">KevinYan</a><span class="author-info time"><time dateTime="2024-11-23 14:33:29" title="2024-11-23 14:33:29"> <span>23</span>小时前<span class="com-v-box">2024-11-23 14:33:29</span></time></span></div></div></div><p class="com-article-panel-v2-des">开发项目的时候我们都爱说XX模块，模块一般是跟着项目所服务的业务走的。而项目的分层则没有那么依赖具体的业务类型，靠一些软件设计的方法论和经验在项目搭建初期就能大...</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>26</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" hotrep="community.tag.tag_detail.activities.article.2470055.sharing"><i class="com-i-share"></i></a><ul class="com-share-options"></ul></span></div></div></div></section><section 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href="/developer/tag/17539?entry=article" track-click="{"areaId":113001,"objectType":"tag","objectId":17539}" class="com-tag-v2">异步编程</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-7499234/d31a690b505a14bd64b6a68198b99149.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/7499234" track-click="{"objectType":"user","objectId":7499234}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://ask.qcloudimg.com/http-save/yehe-7499234/c96c64adf4850c3af5eb82a172828dcb.jpeg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/7499234" track-click="{"objectType":"user","objectId":7499234}" target="_blank" class="author-info name">郑子铭</a><span class="author-info time"><time dateTime="2024-11-23 13:40:18" title="2024-11-23 13:40:18"> <span>1</span>天前<span class="com-v-box">2024-11-23 13:40:18</span></time></span></div></div></div><p class="com-article-panel-v2-des">在本博客中，我将分享我学到的有关 C# 的 20 个重要知识 — 从掌握面向对象的编程（OOP）到了解异步编程的强大功能，再到采用 LINQ 和模式匹配等现...</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>33</span><span class="com-opt-link link-like"><i class="com-i-like"></i>1</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" hotrep="community.tag.tag_detail.activities.article.2470003.sharing"><i class="com-i-share"></i></a><ul class="com-share-options"></ul></span></div></div></div></section><section class="com-article-panel-v2 higher"><a href="/developer/article/2470002" 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track-click="{"areaId":113001,"objectType":"tag","objectId":17590}" class="com-tag-v2">指针</a></nav></div><div class="com-article-panel-v2-bd"><div class="com-article-panel-v2-object"><span class="com-article-panel-v2-img" style="background-image:url(https://developer.qcloudimg.com/http-save/yehe-7499234/815333df04d2f7cdcaf8f38c62f11ef5.jpg?imageView2/2/w/400/h/7000)"></span></div><div class="com-article-panel-v2-cnt"><div class="com-article-panel-v2-user-wrap"><div class="com-media com-user-infos"><a href="/developer/user/7499234" track-click="{"objectType":"user","objectId":7499234}" target="_blank" class="com-media-object"><span class="com-media-img" style="background-image:url(https://ask.qcloudimg.com/http-save/yehe-7499234/c96c64adf4850c3af5eb82a172828dcb.jpeg?imageView2/2/w/48/h/7000)"></span></a><div class="com-media-body"><a href="/developer/user/7499234" track-click="{"objectType":"user","objectId":7499234}" target="_blank" class="author-info name">郑子铭</a><span class="author-info time"><time dateTime="2024-11-23 13:39:46" title="2024-11-23 13:39:46"> <span>1</span>天前<span class="com-v-box">2024-11-23 13:39:46</span></time></span></div></div></div><p class="com-article-panel-v2-des">C# 是一种多功能且功能强大的编程语言，广泛用于开发从 Web 服务到桌面软件的各种应用程序。</p><div class="com-operations com-article-panel-v2-opt"><span class="com-opt-link link-view"><i class="com-i-view"></i>4</span><span class="com-opt-link link-like"><i class="com-i-like"></i>0</span><span class="com-opt-link link-comment"><i class="com-i-dialog"></i>0</span><span><a href="javascript:;" class="com-opt-link link-share" hotrep="community.tag.tag_detail.activities.article.2470002.sharing"><i class="com-i-share"></i></a><ul class="com-share-options"></ul></span></div></div></div></section><section class="com-article-panel-v2 higher"><a href="/developer/article/2469997" track-click="{"areaId":113001,"objectType":"article","objectId":2469997}" 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