pick_jdk

pick_jdk

#!/bin/bash

PATH_SOURCE=~/.bash_profile
JDK8_HOME=/opt/java/jdk/jdk8u252-b09
JDK11_HOME=/opt/java/jdk/jdk-11


function installJDK(){
    
    sudo update-alternatives --install "/usr/bin/java" "java" "$1/bin/java" 1
    sudo update-alternatives --install "/usr/bin/javac" "javac" "$1/bin/javac" 1
    sudo update-alternatives --install "/usr/bin/jar" "jar" "$1/bin/jar" 1
    sudo update-alternatives --install "/usr/bin/javadoc" "javadoc" "$1/bin/javadoc" 1

}

function setJDK(){
    sudo update-alternatives --set java $1/bin/java
    sudo update-alternatives --set javac $1/bin/javac
    sudo update-alternatives --set jar $1/bin/jar
    sudo update-alternatives --set javadoc $1/bin/javadoc
    sed -ir "s|JAVA_HOME=.*|JAVA_HOME=$1|g" $PATH_SOURCE
}

function setJDK8(){
    setJDK $JDK8_HOME
}

function setJDK11(){
    setJDK $JDK11_HOME
}

function installJDK8(){
    installJDK $JDK8_HOME
    setJDK8
}

function installJDK11(){
    installJDK $JDK11_HOME
    setJDK11
}