Linux Mint install Java jdk

1. Download the corresponding version of Java SE

2. Unzip to the appropriate directory

1 tar -xvf jdk.*.*.tar.gz

3. Environment configuration

1 vim ~/ .bashrc
 2  
3  #JAVA
 4 export JAVA_HOME=$HOME/Java/ jdk1.8 .0_161/
 5 export JRE_HOME=$JAVA_HOME/ jre
 6 export PATH=$JAVA_HOME/bin:$JRE_HOME/ bin:$PATH
 7 export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib:.(<-- note that this '.' is very important, it means the current directory)
 8  
9  After exiting:
 10 source ~/.bashrc

You can view the path represented by dir $HOME

JAVA_HOME, JRE_HOME combined with its own path