Rem to run this file and log the output use:  "uninstall java.bat">>java_remove.log
Rem @echo off & 
cls
Rem List all Installation subkeys from uninstall key.
echo Searching Registry for Java Installs
for /f %%I in ('reg query HKLM\SOFTWARE\microsoft\windows\currentversion\uninstall') do echo %%I | find "{" > nul && call :All-Installations %%I
echo Search Complete..
goto :NoneFound
:All-Installations
Rem Filter out all but the Sun Installations
for /f "tokens=2*" %%T in ('reg query %1 /v Publisher 2^> nul') do echo %%U | find "Sun" > nul && call :Sun-Installations %1
goto :EOF
:Sun-Installations
Rem Filter out all but the Sun-Java Installations. Note the tilda + n, which drops all the subkeys from the path
echo %1
for /f "tokens=2*" %%T in ('reg query %1 /v DisplayName 2^> nul') do echo . Uninstalling - %%U: | find "Java" && call :Sun-Java-Installs %~n1

if errorlevel 1 (
echo Doing further conditional checking on variables.
for /f "tokens=2*" %%T in ('reg query %1 /v DisplayName 2^> nul') do echo . Uninstalling - %%U: | find "J2SE" && call :Sun-Java-Installs %~n1
)
goto :EOF
:Sun-Java-Installs
Rem Run Uninstaller for the installation
MsiExec.exe /x%1 /qb /quiet /passive /promptrestart
echo . Uninstall Complete, Resuming Search..
goto :EOF
:NoneFound
Rem No Java found to remove from this system
echo No Java found or all versions already removed from this system
goto :EOF