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    Omnis and java

    Research notes on java use in Omnis

    How can I find which version of Java is installed without running an applet in Windows or Mac?

    How can I find which version of Java is installed without running an applet in Windows or Mac?

    Strip Java out of Omnis RT

    Re: Strip Java out of Omnis RT - Omnis-Dev

    Information and system requirements for installation and use of Oracle Java on Mac OS X

    https://www.java.com/nl/download/faq/java_mac.xml#restore

    Verify installation of java runtime on Windows

    @echo off
    cls
    setlocal ENABLEEXTENSIONS
    set KEY_NAME="HKLM\SOFTWARE\JavaSoft\Java Runtime Environment"
    set VALUE_NAME=CurrentVersion
    ::
    :: get the current version
    ::
    FOR /F "usebackq skip=2 tokens=3" %%A IN (`REG QUERY %KEY_NAME% /v %VALUE_NAME% 2^>nul`) DO (
        set ValueValue=%%A
    )
    if defined ValueValue (
        @echo the current Java runtime is  %ValueValue%
    ) else (
        @echo %KEY_NAME%\%VALUE_NAME% not found.
        goto end
    )
    set JAVA_CURRENT="HKLM\SOFTWARE\JavaSoft\Java Runtime Environment\%ValueValue%"
    set JAVA_HOME=JavaHome
    ::
    :: get the javahome
    ::
    FOR /F "usebackq skip=2 tokens=3*" %%A IN (`REG QUERY %JAVA_CURRENT% /v %JAVA_HOME% 2^>nul`) DO (
        set JAVA_PATH=%%A %%B
    )
    echo the path of the current Java JVM according to the registry is 
    echo %JAVA_PATH%
    echo.
    echo now if we try it :
    "%JAVA_PATH%\bin\java.exe" -version
    :end
    

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