安装JAVA环境
<h5>JDK下载地址</h5>
<ul>
<li><a href="https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html">https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html</a></li>
</ul>
<p>我下载的版本是1.8的,如下图,如果你下载时候要求登录账号,可以自己注册一个账号然后再进行下载</p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/28adfe64582c9820d8d56cef7c342162?showdoc=.jpg" alt="" /></p>
<h5>版本要求</h5>
<ul>
<li><code>JAVA版本要求1.8+</code></li>
</ul>
<h5>开始部署java环境</h5>
<ul>
<li>将我们刚刚下载的JDK上传到我们服务器
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/ca871bc896b4966dfe775ba8a00df52a?showdoc=.jpg" alt="" /></li>
<li>
<p>开始上传
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/5b5123303c261547e04d04bded7e8b74?showdoc=.jpg" alt="" /></p>
</li>
<li>
<p>上传完成,我们开始解压压缩包
依次执行如下linux命令:
<code>tar -zxvf jdk-8u251-linux-x64.tar.gz</code></p>
<p><code>mkdir /usr/local/java</code></p>
<p><code>cp -R ./jdk1.8.0_251/* /usr/local/java/</code></p>
<p><code>echo -e "export JAVA_HOME=/usr/local/java\n\ export JRE_HOME=${JAVA_HOME}/jre\n\ export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib\n\ export PATH=${JAVA_HOME}/bin:$PATH\n" >> /etc/profile</code></p>
<p><code>source /etc/profile</code></p>
</li>
<li>
<p>输入命令</p>
<p><code>java -version</code></p>
</li>
</ul>
<p>显示下图表示java环境安装成功
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/16f0206c0c45b408c8064a87c664f0ee?showdoc=.jpg" alt="" /></p>