what can this module do?

1. it can search all your drivers, looking for jdk installed directories by locating javac.exe
2. it can change your jdk version by window powershell

which are files put?

$env:PSModulePath -split ';'

put files in modules directory

how to use?

PS> Change-JDK

PS> Set-Alias -Name cj -Value Change-JDK

PS> cj

enjoy life!