@echo off
set j11=C:\XXX\Java\jdk-11.0.6
set j8=C:\XXX\Java\jdk1.8.0_251
set old=%JAVA_HOME%
if "%old%"=="%j11%" (
set new=%j8%
) else (
set new=%j11%
)
setx "JAVA_HOME" "%new%" /m
::echo.%old% -^> %new%
@echo off
set j11=C:\XXX\Java\jdk-11.0.6
set j8=C:\XXX\Java\jdk1.8.0_251
set old=%JAVA_HOME%
if "%old%"=="%j11%" (
set new=%j8%
) else (
set new=%j11%
)
setx "JAVA_HOME" "%new%" /m
::echo.%old% -^> %new%