my latest jdk switcher for os x bash

README.md

Once this is in your shell, you can just do:

$ jdk 6
Using Java 6 /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

$ java -version
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)

$ jdk 7
Using Java 7 /Library/Java/JavaVirtualMachines/jdk1.7.0_65.jdk/Contents/Home

$ java -version
java version "1.7.0_65"
Java(TM) SE Runtime Environment (build 1.7.0_65-b17)
Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)

$ jdk 8
Using Java 8 /Library/Java/JavaVirtualMachines/jdk1.8.0_11.jdk/Contents/Home

$ java -version
java version "1.8.0_11"
Java(TM) SE Runtime Environment (build 1.8.0_11-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)

jdx_switch.sh

function jdk {
    export JAVA_HOME=`/usr/libexec/java_home -v 1.$1*`
    set_path
    echo "Using Java $1 $JAVA_HOME"
}
 
function set_path {
    PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin
    PATH=$PATH:$JAVA_HOME/bin
    
    # Set other path vars here
    
    # Reload GVM
    export GVM_INIT=
    [[ -s "/Users/tim.yates/.gvm/bin/gvm-init.sh" && ! $(which gvm-init.sh) ]] && source "/Users/tim.yates/.gvm/bin/gvm-init.sh"
}

set_path