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面试java：单例模式

基于JAVA家庭记账系统计算机毕业设计源码+系统+mysql数据库+lw文档+部署

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路飞Fly了·2024-09-07 02:08

常见面试2

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LongProgrammer·2024-09-07 02:08

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光光网络·2024-09-07 02:07

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<div class="article-excerpt"> 如果程序执行的是一个<em>Java</em>方法，则计数器记录的是正在执行的 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 幸福的小酒瓶<span class="dot">·</span>2024-09-07 01:04 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%86%85%E5%AD%98%E5%88%92%E5%88%86/1.htm"> 内存划分 </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="newsitem-info clearfix"> <a href="/article/1832114301469552640.htm" ></a> <a target="_blank" href="/article/1832114301469552640.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>java</em> 运行内存_<em>Java</em>运行时内存区域</h4> </div> <div class="article-excerpt"> 一.运行时数据区域<em>Java</em>虚拟机在执行<em>Java</em>程序的过程中会把它所管理的内存划分为几个不同的数据区域，这些区域都有各自的用途，以及创建和销毁的时间，有的区域随着虚拟机进程的启动而存在，有的区域则依赖用户线程的启动和结束而建立和销毁 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> wb0r0r<span class="dot">·</span>2024-09-07 01:03 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%BF%90%E8%A1%8C%E5%86%85%E5%AD%98/1.htm"> 运行内存 </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="newsitem-info clearfix"> <a href="/article/1832110520895893504.htm" ></a> <a target="_blank" href="/article/1832110520895893504.htm"> <div class="mb5 mt5"> <h4 class="newsitem-title mt0"><em>java</em>运行时内存</h4> </div> <div class="article-excerpt"> 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clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832102704772640768.htm" ></a> <a target="_blank" href="/article/1832102704772640768.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">docker 启动 ElasticSearch</h4> </div> <div class="article-excerpt"> dockerrun--nameelasticsearch-p9200:9200-p9300:9300-e"discovery.type=single-node"-eES_<em>JAVA</em>_OPTS="-Xms64m-Xmx128m </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 终是庄周梦了蝶_G<span class="dot">·</span>2024-09-07 01:58 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%AC%94%E8%AE%B0/1.htm"> 笔记 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/docker/1.htm"> docker </a> </li> <li 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<em>Java</em>虚拟机（<em>Java</em>SE7版）管理的内存包括以下几个运行时数据区域。1.程序计数器程序计数器（ProgramCounterRegister）是当前线程所执行的字节码的行号指示器。 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> benlocke<span class="dot">·</span>2024-09-07 00:57 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Java/1.htm"> Java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/jvm/1.htm"> jvm </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/heap/1.htm"> heap </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/stack/1.htm"> stack </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%86%85%E5%AD%98/1.htm"> 内存 </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix 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