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}
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html.dark {
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--c-bg: #22272e;
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}
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<link rel="icon" href="/images/favicon.ico"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta property="og:title" content="Arthas"><meta property="og:image:alt" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta property="og:image" content="/images/arthas_mate_image.png"><meta property="og:description" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="600"><meta property="twitter:image:src" content="/images/arthas_mate_image.png"><meta property="twitter:image:alt" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta itemprop="name" content="Arthas"><meta itemprop="image" content="/images/arthas_mate_image.png"><meta itemprop="description" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><script>
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<link rel="modulepreload" href="/assets/app.b50c38a7.js"><link rel="modulepreload" href="/assets/sysprop.html.aefdcafe.js"><link rel="modulepreload" href="/assets/sysprop.html.bad87bbb.js"><link rel="prefetch" href="/assets/index.html.ec74869a.js"><link rel="prefetch" href="/assets/index.html.d3cced9f.js"><link rel="prefetch" href="/assets/index.html.c047f67a.js"><link rel="prefetch" href="/assets/advanced-use.html.7d8cad47.js"><link rel="prefetch" href="/assets/advice-class.html.81ca867b.js"><link rel="prefetch" href="/assets/agent.html.116d2095.js"><link rel="prefetch" href="/assets/arthas-properties.html.1a6ee17c.js"><link rel="prefetch" href="/assets/async.html.846b0018.js"><link rel="prefetch" href="/assets/auth.html.166d9576.js"><link rel="prefetch" href="/assets/base64.html.29f63ec7.js"><link rel="prefetch" href="/assets/batch-support.html.84d19c82.js"><link rel="prefetch" href="/assets/cat.html.f100d9a7.js"><link rel="prefetch" href="/assets/classloader.html.b74bdea1.js"><link rel="prefetch" href="/assets/cls.html.f6f67018.js"><link rel="prefetch" href="/assets/commands.html.fe29fa8d.js"><link rel="prefetch" href="/assets/contact-us.html.6604f2e9.js"><link rel="prefetch" href="/assets/dashboard.html.92d46fc2.js"><link rel="prefetch" href="/assets/docker.html.a21ac0d0.js"><link rel="prefetch" href="/assets/download.html.24566778.js"><link rel="prefetch" href="/assets/dump.html.db117ae6.js"><link rel="prefetch" href="/assets/echo.html.3a53ce15.js"><link rel="prefetch" href="/assets/faq.html.5181458e.js"><link rel="prefetch" href="/assets/getstatic.html.7b756fa0.js"><link rel="prefetch" href="/assets/grep.html.ed15c9c0.js"><link rel="prefetch" href="/assets/groovy.html.1e44a2ad.js"><link rel="prefetch" href="/assets/heapdump.html.77260129.js"><link rel="prefetch" href="/assets/help.html.4328ee99.js"><link rel="prefetch" href="/assets/history.html.7d1ee6db.js"><link rel="prefetch" href="/assets/http-api.html.c068f40e.js"><link rel="prefetch" href="/assets/idea-plugin.html.d1b8320d.js"><link rel="prefetch" href="/assets/install-detail.html.ff4b709c.js"><link rel="prefetch" href="/assets/jad.html.b9ba0618.js"><link rel="prefetch" href="/assets/jvm.html.7433a432.js"><link rel="prefetch" href="/assets/keymap.html.5e56e402.js"><link rel="prefetch" href="/assets/logger.html.dd664c3e.js"><link rel="prefetch" href="/assets/manual-install.html.985e84d2.js"><link rel="prefetch" href="/assets/mbean.html.375818fb.js"><link rel="prefetch" href="/assets/mc.html.c087f4a7.js"><link rel="prefetch" href="/assets/memory.html.d126f7ce.js"><link rel="prefetch" href="/assets/monitor.html.e640658b.js"><link rel="prefetch" href="/assets/ognl.html.50d31bfa.js"><link rel="prefetch" href="/assets/options.html.02f35cf0.js"><link rel="prefetch" href="/assets/perfcounter.html.be2ca263.js"><link rel="prefetch" href="/assets/profiler.html.5c15fc85.js"><link rel="prefetch" href="/assets/pwd.html.178ca91a.js"><link rel="prefetch" href="/assets/quick-start.html.23bab134.js"><link rel="prefetch" href="/assets/quit.html.32b791ff.js"><link rel="prefetch" href="/assets/redefine.html.b99e2349.js"><link rel="prefetch" href="/assets/release-notes.html.a31e5aa6.js"><link rel="prefetch" href="/assets/reset.html.9cc609e7.js"><link rel="prefetch" href="/assets/retransform.html.16689941.js"><link rel="prefetch" href="/assets/save-log.html.4b8f9354.js"><link rel="prefetch" href="/assets/sc.html.81bd67fa.js"><link rel="prefetch" href="/assets/session.html.5dca4ee2.js"><link rel="prefetch" href="/assets/sm.html.cdbbfc63.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.3e4e52ea.js"><link rel="prefetch" href="/assets/stack.html.db2ffb06.js"><link rel="prefetch" href="/assets/start-arthas.html.fdd98fbc.js"><link rel="prefetch" href="/assets/stop.html.05acafa3.js"><link rel="prefetch" href="/assets/sysenv.html.b20090af.js"><link rel="prefetch" href="/assets/sysprop.html.b112fbfa.js"><link rel="prefetch" href="/assets/tee.html.17ceb9fc.js"><link rel="prefetch" href="/assets/thread.html.674aa7a4.js"><link rel="prefetch" href="/assets/trace.html.ba67b8f
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<link rel="stylesheet" href="/assets/style.c4fc83ba.css">
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</head>
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<body>
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<div id="app"><!--[--><div class="theme-container"><!--[--><header class="navbar"><div class="toggle-sidebar-button" title="切换侧边栏" aria-expanded="false" role="button" tabindex="0"><div class="icon" aria-hidden="true"><span></span><span></span><span></span></div></div><span><a href="/" class="" data-v-2aa8cc94><!----><span class="site-name can-hide" data-v-2aa8cc94>arthas</span><span class="navbar-version" data-v-2aa8cc94>vundefined</span></a></span><div class="navbar-items-wrapper" style=""><!--[--><!--]--><nav class="navbar-items can-hide"><!--[--><div class="navbar-item"><a href="/" class="" aria-label="首页"><!--[--><!--]--> 首页 <!--[--><!--]--></a></div><div class="navbar-item"><a class="external-link" href="/doc/arthas-tutorials.html?language=cn&id=arthas-basics" rel="noopener noreferrer" target="_blank" aria-label="在线教程"><!--[--><!--]--><span>在线教程</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/" class="router-link-active" aria-label="文档"><!--[--><!--]--> 文档 <!--[--><!--]--></a></div><div class="navbar-item"><div class="navbar-dropdown-wrapper"><button class="navbar-dropdown-title" type="button" aria-label="解决方案"><span class="title">解决方案</span><span class="arrow down"></span></button><button class="navbar-dropdown-title-mobile" type="button" aria-label="解决方案"><span class="title">解决方案</span><span class="right arrow"></span></button><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a class="external-link" href="https://cn.aliyun.com/product/aliware/mse?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="微服务解决方案"><!--[--><!--]--><span>微服务解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a class="external-link" href="https://www.aliyun.com/aliware/txc?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="分布式事务解决方案"><!--[--><!--]--><span>分布式事务解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a class="external-link" href="https://www.aliyun.com/product/ahas?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="高可用解决方案"><!--[--><!--]--><span>高可用解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" v
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sysprop [-h] [property-name] [property-value]
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SUMMARY:
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Display, and change all the system properties.
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EXAMPLES:
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sysprop
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sysprop file.encoding
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sysprop production.mode true
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WIKI:
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https://arthas.aliyun.com/doc/sysprop
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OPTIONS:
|
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-h, --help this help
|
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|
<property-name> property name
|
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<property-value> property value
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="查看所有属性" tabindex="-1"><a class="header-anchor" href="#查看所有属性" aria-hidden="true">#</a> 查看所有属性</h4><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>$ sysprop
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KEY VALUE
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-------------------------------------------------------------------------------------------------------------------------------------
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java.runtime.name Java(TM) SE Runtime Environment
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sun.boot.library.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib
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java.vm.version 25.51-b03
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user.country.format CN
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gopherProxySet false
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java.vm.vendor Oracle Corporation
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java.vendor.url http://java.oracle.com/
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path.separator :
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java.vm.name Java HotSpot(TM) 64-Bit Server VM
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file.encoding.pkg sun.io
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user.country US
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sun.java.launcher SUN_STANDARD
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sun.os.patch.level unknown
|
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java.vm.specification.name Java Virtual Machine Specification
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user.dir /private/var/tmp
|
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java.runtime.version 1.8.0_51-b16
|
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java.awt.graphicsenv sun.awt.CGraphicsEnvironment
|
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java.endorsed.dirs /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/endors
|
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|
|
ed
|
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os.arch x86_64
|
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java.io.tmpdir /var/folders/2c/tbxwzs4s4sbcvh7frbcc7n000000gn/T/
|
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line.separator
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java.vm.specification.vendor Oracle Corporation
|
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os.name Mac OS X
|
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sun.jnu.encoding UTF-8
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java.library.path /Users/wangtao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Libra
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|
ry/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
|
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|
sun.nio.ch.bugLevel
|
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|
java.specification.name Java Platform API Specification
|
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|
java.class.version 52.0
|
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|
sun.management.compiler HotSpot 64-Bit Tiered Compilers
|
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|
os.version 10.12.6
|
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user.home /Users/wangtao
|
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|
user.timezone Asia/Shanghai
|
|
|
|
java.awt.printerjob sun.lwawt.macosx.CPrinterJob
|
|
|
|
file.encoding UTF-8
|
|
|
|
java.specification.version 1.8
|
|
|
|
user.name wangtao
|
|
|
|
java.class.path .
|
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|
|
java.vm.specification.version 1.8
|
|
|
|
sun.arch.data.model 64
|
|
|
|
java.home /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre
|
|
|
|
sun.java.command Test
|
|
|
|
java.specification.vendor Oracle Corporation
|
|
|
|
user.language en
|
|
|
|
awt.toolkit sun.lwawt.macosx.LWCToolkit
|
|
|
|
java.vm.info mixed mode
|
|
|
|
java.version 1.8.0_51
|
|
|
|
java.ext.dirs /Users/wangtao/Library/Java/Extensions:/Library/Java/JavaVirtualMachines/jdk1.
|
|
|
|
8.0_51.jdk/Contents/Home/jre/lib/ext:/Library/Java/Extensions:/Network/Library
|
|
|
|
/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java
|
|
|
|
sun.boot.class.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/resour
|
|
|
|
ces.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/li
|
|
|
|
b/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/l
|
|
|
|
ib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/H
|
|
|
|
ome/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Content
|
|
|
|
s/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Conte
|
|
|
|
nts/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jd
|
|
|
|
k/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.
|
|
|
|
jdk/Contents/Home/jre/classes
|
|
|
|
java.vendor Oracle Corporation
|
|
|
|
file.separator /
|
|
|
|
java.vendor.url.bug http://bugreport.sun.com/bugreport/
|
|
|
|
sun.cpu.endian little
|
|
|
|
sun.io.unicode.encoding UnicodeBig
|
|
|
|
sun.cpu.isalist
|
|
|
|
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="查看单个属性" tabindex="-1"><a class="header-anchor" href="#查看单个属性" aria-hidden="true">#</a> 查看单个属性</h4><div class="custom-container tip"><p class="custom-container-title">提示</p><p>支持通过<code>TAB</code>键自动补全</p></div><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>$ sysprop java.version
|
|
|
|
java.version=1.8.0_51
|
|
|
|
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="修改单个属性" tabindex="-1"><a class="header-anchor" href="#修改单个属性" aria-hidden="true">#</a> 修改单个属性</h4><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>$ sysprop user.country
|
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|
user.country=US
|
|
|
|
$ sysprop user.country CN
|
|
|
|
Successfully changed the system property.
|
|
|
|
user.country=CN
|
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