Installation of Linux Mint 18.1 under JDK

First download the OPENJDK installed by itselfsudo apt-get update && apt-get remove openjdk*

Download the JDK from Oracle website and extract it to/USR/LIB/JVM, if there is no JVM folder, create it Yourself

And then to the home directory there are. BASHRC hides the file, edits the file, and finally writes the following statement

export JAVA_HOME =/usr/lib/jvm/jdk1.8  .0_131  export jre_home=  ${java_home}/jre  export Classpath=.:  ${java_home}/lib:  ${jre_home}/lib  export path=  ${JAVA_HOME }/bin:   $PATH  
  
 Finally input java-version in the terminal will show the Java environment  
       

Installation of the JDK under Linux Mint 18.1