[The JAVA] Installation and configuration path jdk

Domestic image installation

https://repo.huaweicloud.com/java/jdk/12.0.1+12/

path

cd
vim .zshrc

Add a comment in the path

export JAVA_HOME=/home/txl/Documents/jdk-12.0.1
export JRE_HOME=${JAVA_HOME}/jre  
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib  
export PATH=${JAVA_HOME}/bin:$PATH

Become effective

source .zshrc

test

java -version