change java home

change_java_home.bat

@echo off
rem This batch program will switch java env version in 1.6/1.8

set @v1_6=C:\Program Files (x86)\Java\jdk1.6.0_45
set @v1_8=C:\Program Files\Java\jdk1.8.0_121

set @cur=%JAVA_HOME%

echo Current path is %@cur%

set /p @change=Wanna change [version number:1.6/1.8]?:

goto answer%@change%
:answer1.6
setx -m JAVA_HOME "%@v1_6%"
goto end
:answer1.8
setx -m JAVA_HOME "%@v1_8%"
goto end
:end
echo byebye!
pause