Java Fucker

### Java Cleanup x86
### This script will identify the latest version of Java and Rustle Jimmies with all prior versions.

# Search registry for Java uninstall keys.
$findJava = GCI -Path HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall | `
Get-Itemproperty | Select Displayname,UninstallString,DisplayVersion | `
where {$_.displayname -match 'Java [0-9]+ Update'}

# Find latest Java Version number.
$latestJava = $findJava | Sort-Object -Property DisplayVersion | Select -ExpandProperty Displayversion -First 1

# Filter out latest version and build list of versions to uninstall from registry.
$uninstallJava = $findJava | where {$_.displayversion -ne $latestJava}

# For each old version use uninstall string from registry and run as command to uninstall.
if ($uninstallJava) {
    $uninstallJava | ForEach-Object {
        $uninstallString = $_ | select -ExpandProperty UninstallString
        & cmd /c $uninstallString /quiet
        }
    }