JDK Installation and Deployment
It is recommended to install JDK 11.
1. Dependency Environment
For open-source JDK, font library support is required. If it is already present on the Linux system, there's no need to install it.
yum install fontconfig fc-cache --force fc-cache -f
2. Extract JDK Installation Package
tar -zxvf jdk-11.0.9_linux-x64_bin.tar.gz -C /usr/local/
3. Configure Environment Variables
Open the profile configuration file:
Add the following configurations at the end of the file:
export JAVA_HOME=/usr/local/jdk-11.0.9 export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export PATH=$PATH:$JAVA_HOME/bin
Refresh the configuration to make it effective:
Check the installed Java version:
Please note that when copying and pasting these commands, ensure that the formatting remains consistent, and adjust paths and filenames as needed for your system.