ubuntu安装非默认版本的jdk
- 下载并解压jdk复制到/usr/local
sudo cp -r jdk1.8.0_231 /usr/local/jdk1.8
-
查看已经安装的jdk版本,我这里安装了openjdk12,openjdk8和oriclejdk8
-
手动添加oricle到可配置版本
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0_231/bin/java 300
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_231/bin/javac 300
sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8.0_231/bin/jar 300
- 查看可配置版本
sudo update-alternatives --config java
- 输入切换版本号,切换成功
I'm a fucKing fake coder!