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42 lines
1.1 KiB
42 lines
1.1 KiB
Rem check java version
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@echo off
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cls
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setlocal ENABLEEXTENSIONS
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set KEY_NAME="HKLM\SOFTWARE\JavaSoft\Java Runtime Environment"
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set VALUE_NAME=CurrentVersion
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::
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:: get the current version
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::
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FOR /F "usebackq skip=2 tokens=3" %%A IN (`REG QUERY %KEY_NAME% /v %VALUE_NAME% 2^>nul`) DO (
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set ValueValue=%%A
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)
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if defined ValueValue (
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@echo the current Java runtime is %ValueValue%
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) else (
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@echo %KEY_NAME%\%VALUE_NAME% not found.
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goto end
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)
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set JAVA_CURRENT="HKLM\SOFTWARE\JavaSoft\Java Runtime Environment\%ValueValue%"
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set JAVA_HOME=JavaHome
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::
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:: get the javahome
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::
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FOR /F "usebackq skip=2 tokens=3*" %%A IN (`REG QUERY %JAVA_CURRENT% /v %JAVA_HOME% 2^>nul`) DO (
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set JAVA_PATH=%%A %%B
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)
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echo the path of the current Java JVM according to the registry is
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echo %JAVA_PATH%
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echo.
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echo now if we try it :
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"%JAVA_PATH%\bin\java.exe" -version
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:end
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Rem if %ValueValue% ==1.8
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if %ValueValue%==1.8 (
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echo "Java 8 encontrado"
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pause) else (echo Java versão 8 não encontrado: você quer abrir a página de download?
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START Https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html
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pause)
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