ubuntu如何安装配置JDK1.8

拼搏现实的明天。 2022-05-22 02:55 221阅读 0赞

## 工具/原料 ##

*  ubuntu 16.04
 *  jdk-8u161-linux-x64.tar.gz

## 方法/步骤 ##

1.  到Oracle官网下载JDK1.8安装包
    
    官网地址：http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8]][ubuntu_JDK1.8_ubuntu_JDK1.8]
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6.  将下载的文件jdk-8u161-linux-x64.tar.gz传输到ubuntu系统上，本例存放安装包的路径为/tmp
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 1]][ubuntu_JDK1.8_ubuntu_JDK1.8 1]
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11. 切换到root用户，在/usr/local目录下执行命令mkdir java创建java安装目录
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 2]][ubuntu_JDK1.8_ubuntu_JDK1.8 2]
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16. 将目录切换到/usr/local/java,执行命令 mv /tmp/jdk-8u161-linux-x64.tar.gz ./将jdk-8u161-linux-x64.tar.gz移动到此目录
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 3]][ubuntu_JDK1.8_ubuntu_JDK1.8 3]
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21. 执行tar -xzvf jdk-8u161-linux-x64.tar.gz命令，解压安装包
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 4]][ubuntu_JDK1.8_ubuntu_JDK1.8 4]
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26. 执行命令vim /etc/profile，在文件最后添加JAVA环境变量配置
    
    export JAVA\_HOME=/usr/local/java/jdk1.8.0\_161
    
    export JRE\_HOME=$\{JAVA\_HOME\}/jre
    
    export CLASSPATH=.:$\{JAVA\_HOME\}/lib:$\{JRE\_HOME\}/lib
    
    export PATH=$\{JAVA\_HOME\}/bin:$PATH
    
    保存退出后，执行source /etc/profile命令使配置立即生效
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 5]][ubuntu_JDK1.8_ubuntu_JDK1.8 5]
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32. 7
    
    执行java -version，检查安装是否成功
    
    [![ubuntu如何安装配置JDK1.8][ubuntu_JDK1.8 6]][ubuntu_JDK1.8_ubuntu_JDK1.8 6]
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[ubuntu_JDK1.8]: https://imgsa.baidu.com/exp/w=500/sign=eb3d7af812178a82ce3c7fa0c603737f/562c11dfa9ec8a130a3cd7d4fb03918fa0ecc0e4.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8]: /images/20220522/5c100731aa6e48f2acc028aec08584b1.png
[ubuntu_JDK1.8 1]: https://imgsa.baidu.com/exp/w=500/sign=18f64232a3c379317d688629dbc4b784/4d086e061d950a7b620ecef006d162d9f2d3c9cf.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 1]: /images/20220522/369beedabb80460fb2ca568fa30bb9e9.png
[ubuntu_JDK1.8 2]: https://imgsa.baidu.com/exp/w=500/sign=3e821c0540086e066aa83f4b32087b5a/f31fbe096b63f624ed7bb9378b44ebf81a4ca3e4.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 2]: /images/20220522/1b8cd2c106694ba984be34b376f84167.png
[ubuntu_JDK1.8 3]: https://imgsa.baidu.com/exp/w=500/sign=b46b481b4d34970a4773102fa5cbd1c0/38dbb6fd5266d016159c1e1c9b2bd40735fa3578.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 3]: /images/20220522/0c69ea7416ec41fb84dab6d3abf47cd5.png
[ubuntu_JDK1.8 4]: https://imgsa.baidu.com/exp/w=500/sign=258c1b6ad1c451daf6f60ceb86fd52a5/b64543a98226cffc204e3c86b5014a90f603ea9a.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 4]: /images/20220522/63f7cb53f7fc49ae8a59f14aa1070251.png
[ubuntu_JDK1.8 5]: https://imgsa.baidu.com/exp/w=500/sign=8e13cef006d162d985ee621c21dfa950/8644ebf81a4c510f55e2622e6c59252dd42aa5e4.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 5]: /images/20220522/69d1c8325a6345bfae22883cda33321f.png
[ubuntu_JDK1.8 6]: https://imgsa.baidu.com/exp/w=500/sign=4d709ad9afcc7cd9fa2d34d909002104/8cb1cb13495409233c8be24a9e58d109b3de4920.jpg
[ubuntu_JDK1.8_ubuntu_JDK1.8 6]: /images/20220522/7a6b7b20914f4b34ae538df2bd68e92c.png