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           </div><h1><a rel="NOFOLLOW" title="金宝搏188体育" href="//www.soft30t.com">金宝搏188体育</a></h1><p>Java, Spring和Web开发教程</p>
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               <td height="48" align="center" valign="middle" class="odd"><b>订阅</b><br><br><a rel="nofollow" href="https://feeds.feedblitz.com/baeldung&x=1"><img title="Subscribe using RSS" src="https://assets.feedblitz.com/images/rss.gif"></a><a rel="nofollow" href="https://feeds.feedblitz.com/baeldung&m=1"><img title="Mobile version" src="https://assets.feedblitz.com/images/mobile.png"></a></td>
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            </table>目前的文章</h2><p>该提要的当前文章如下所示。订阅此提要中所有可用内容的更新，或点击此处查看原文。</p><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/722082396/0/baeldung~Alternatives-for-instanceof-Operator-in-Java">Java中的instanceof Operator的替代方案</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-14 22:28 UTC by 金宝搏188体育baeldung</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p><strong><a class="editor-rtfLink" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~//www.soft30t.com/java-instanceof" target="_blank" rel="noopener"><em>运算符</em></a></strong><span data-preserver-spaces="true"><strong>操作符是否将对象的实例与类型进行比较</strong>．它也被称为类型比较操作符。</span></p><p><span data-preserver-spaces="true">在本教程中，我们将看看传统的不同替代品</span><em><span data-preserver-spaces="true">运算符</span></em><span data-preserver-spaces="true">的方法。我们可能需要其他方法来改进代码设计和可读性。</span></p><h2 id="bd-example-setup" data-id="example-setup">2.示例设置</h2>
           <div class="bd-anchor" id="example-setup"></div><p>让我们开发一个简单的程序，<em>.．.</em></p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/722082396/0/baeldung~Alternatives-for-instanceof-Operator-in-Java"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/722082396/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/722080302/0/baeldung~Running-Multiple-Thread-Groups-in-JMeter">在JMeter中运行多线程组</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-14 22:10 UTC by 金宝搏188体育baeldung</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p>使用JMeter，我们可以对场景进行分组，并以不同的方式运行它们，以复制现实世界的流量。</p><p>在本教程中，我们将学习如何以及何时使用多个线程组复制真实场景，以及如何使用简单的测试计划按顺序或并行地运行它们。</p><h2 id="bd-creating-multiple-thread-groups" data-id="creating-multiple-thread-groups">2.创建多个线程组</h2>
           <div class="bd-anchor" id="creating-multiple-thread-groups"></div><p>.．.</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/722080302/0/baeldung~Running-Multiple-Thread-Groups-in-JMeter"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/722080302/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/722080304/0/baeldung~Changing-the-Docker-Image-Installation-Directory">修改Docker镜像安装目录</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-14 22:05 UTC作者:纳伦德拉·康格拉卡尔</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p>在与<a rel="nofollow" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~https://www.docker.com/">码头工人</a>容器中，我们经常需要创建各种持久化对象，比如卷和映像。默认情况下，这些对象占用引导磁盘的磁盘空间。这种默认配置可能会导致一些重要的数据问题，例如其他应用程序的低磁盘空间或在硬件情况下的数据丢失……</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/722080304/0/baeldung~Changing-the-Docker-Image-Installation-Directory"><b>继续阅读</b></a>
             <!-- _!fbztxtlnk!_ https://feeds.feedblitz.com/~/722080304/0/baeldung~Changing-the-Docker-Image-Installation-Directory --><b>»</b></span></p><p></p>
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             <!-- _!fbztxtlnk!_ https://feeds.feedblitz.com/~/721856188/0/baeldung~Form-Login-and-Basic-Authentication-in-springdocopenapi --><b>»</b></span></p><p></p>
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           <div class="bd-anchor" id="anonymous-classes-in-java"></div><p>简而言之，一个匿名类，如…</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721856192/0/baeldung~Convert-Anonymous-Class-into-Lambda-in-Java"><b>继续阅读</b></a>
             <!-- _!fbztxtlnk!_ https://feeds.feedblitz.com/~/721856192/0/baeldung~Convert-Anonymous-Class-into-Lambda-in-Java --><b>»</b></span></p><p></p>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721856196/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721801780/0/baeldung~Reversing-a-Stack-in-Java">在Java中反转堆栈</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-11 23:41 UTC by 金宝搏188体育baeldung</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p>在本文中，我们将研究使用Java反转堆栈的不同方法。一个<a rel="nofollow" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~//www.soft30t.com/java-stack">堆栈</a>是后进先出(LIFO)数据结构，支持从同一侧插入(推入)和删除(弹出)元素。</p><p>我们可以把堆叠想象成桌子上的一堆盘子;从…进入盘子是最安全的</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721801780/0/baeldung~Reversing-a-Stack-in-Java"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721801780/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721800522/0/baeldung~Set-the-Date-Format-Using-Apache-POI">使用Apache POI设置日期格式</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-11 23:38 UTC by 金宝搏188体育baeldung</span></h3><p></p><h2 id="bd-introduction" data-id="introduction"><strong>1.简介</strong></h2>
           <div class="bd-anchor" id="introduction"></div><p>当我们在Apache POI中处理日期时，我们希望确保它们是格式化的<span data-slate-fragment="JTVCJTdCJTIydHlwZSUyMiUzQSUyMnBhcmFncmFwaCUyMiUyQyUyMmNoaWxkcmVuJTIyJTNBJTVCJTdCJTIydGV4dCUyMiUzQSUyMiUyMGNvcnJlY3RseS4lMjAlMjIlN0QlNUQlN0QlNUQ=">正确。</span></p><p><span data-slate-fragment="JTVCJTdCJTIydHlwZSUyMiUzQSUyMnBhcmFncmFwaCUyMiUyQyUyMmNoaWxkcmVuJTIyJTNBJTVCJTdCJTIydGV4dCUyMiUzQSUyMkZvcnR1bmF0ZWx5JTJDJTIwaXQncyUyMGVhc3klMjB0byUyMHNldCUyMHRoZSUyMGRhdGUlMjBmb3JtYXQlMjB1c2luZyUyMEFwYWNoZSUyMFBPSS4lMjBJbiUyMHRoaXMlMjBibG9nJTIwcG9zdCUyQyUyMHdlJ2xsJTIwc2hvdyUyMHlvdSUyMGhvdyUyMHRvJTIwZG8lMjBpdC4lMjIlN0QlNUQlN0QlNUQ=">幸运的是，使用Apache POI设置日期格式很容易。在本教程中，我们将展示如何</span>定义自定义<em>DataFormat</em>对于一个约会来说<em>CellStyle</em>与<a rel="nofollow" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~//www.soft30t.com/java-microsoft-excel">Apache POI</a>以及如何利用现有资源<em>DataFormats</em>．</p><h2 id="bd-starting-point" data-id="starting-point"><strong>2.起点</strong></h2>
           <div class="bd-anchor" id="starting-point"></div><p>.．.</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721800522/0/baeldung~Set-the-Date-Format-Using-Apache-POI"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721800522/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721756330/0/baeldung~Managing-JWT-With-Auth-javajwt">使用Auth0管理JWT</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-11 13:01 UTC作者Avin Buricha</span></h3><p></p><h2 id="bd-introduction" data-id="introduction">1.简介</h2>
           <div class="bd-anchor" id="introduction"></div><p><a rel="nofollow" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~https://www.rfc-editor.org/rfc/rfc7519">JWT</a>(JSON Web Token)是一种标准，它定义了在双方之间传输数据和签名的紧凑而安全的方式。JWT中的有效负载是断言一些声明的JSON对象。验证者可以很容易地验证和信任这个有效负载，因为它是数字签名的。<strong>jwt可以使用…</strong></p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721756330/0/baeldung~Managing-JWT-With-Auth-javajwt"><b>继续阅读</b></a>
             <!-- _!fbztxtlnk!_ https://feeds.feedblitz.com/~/721756330/0/baeldung~Managing-JWT-With-Auth-javajwt --><b>»</b></span></p><p></p>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721756330/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721583486/0/baeldung~RxJava-Singlejust-vs-SinglefromCallable">RxJava Single.just() vs Single.fromCallable()</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-09 20:16 UTC作者:Emanuel Trandafir</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p>在这个简短的教程中，我们将比较两种流行的创建<em>单</em>在RxJava中，我们将使用<a rel="nofollow" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~//www.soft30t.com/rxjava-testing"><em>TestSubscriber</em></a>．首先，我们来看看<em>Single.just ()</em>Factory方法，并急切地使用它来创建对象的实例。在那之后，我们将学习金宝搏官网188be<em>Single.fromCallable ()</em>看看如何使用…</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721583486/0/baeldung~RxJava-Singlejust-vs-SinglefromCallable"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721583486/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721583488/0/baeldung~Functors-in-Java">Java中的函子</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-09 20:13 UTC by 金宝搏188体育baeldung</span></h3><p></p><h2 id="bd-overview" data-id="overview">1.概述</h2>
           <div class="bd-anchor" id="overview"></div><p>在本教程中，我们将演示如何在Java中创建函子。首先，让我们回顾一下关于术语“函子”本质的一些细节。然后，我们将看一些如何在Java中使用它的代码示例。</p><h2 id="bd-whats-a-functor" data-id="whats-a-functor">2.什么是函子?</h2>
           <div class="bd-anchor" id="whats-a-functor"></div><p>“函子”这个词来自数学领域，…</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721583488/0/baeldung~Functors-in-Java"><b>继续阅读</b></a>
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           </div><img align="left" border="0" height="1" width="1" alt="" style="border:0;float:left;margin:0;padding:0;width:1px!important;height:1px!important;" hspace="0" src="https://feeds.feedblitz.com/~/i/721583488/0/baeldung"><h3 style="clear:both;padding-top:1em;"><img src="https://assets.feedblitz.com/images/star.png" width="16" height="16"><a rel="NOFOLLOW" href="https://feeds.feedblitz.com/~/721583490/0/baeldung~Getting-Started-with-Blaze-Persistence">从火焰坚持开始</a><br><img width="16" height="16" src="https://assets.feedblitz.com/images/blank.gif"><span style="font-size: 11px;color:#AAA">2022-12-09 20:08 UTC作者:Ana peterliic</span></h3><p></p><h2 id="bd-introduction" data-id="introduction">1.简介</h2>
           <div class="bd-anchor" id="introduction"></div><p>在本教程中，我们将讨论<a rel="noopener" href="https://feeds.feedblitz.com/~/t/0/0/baeldung/~https://github.com/Blazebit/blaze-persistence" target="_blank">大火持续</a>Spring Boot应用程序中的库。</p><p>该库提供了丰富的Criteria API，用于以编程方式创建SQL查询。它允许我们应用各种过滤器、函数和逻辑条件。</p><p>我们将涵盖项目设置，提供一些…</p><p></p><p style="clear:left"><span class="fbz_teasertext"><a rel="nofollow" href="https://feeds.feedblitz.com/~/721583490/0/baeldung~Getting-Started-with-Blaze-Persistence"><b>继续阅读</b></a>
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