How to use two versions of JAVA


  1. aintnorock
    Posts : 72
    windows 7 home premium 64 bit
       New #1

    How to use two versions of JAVA


    I have an old (very old) program that I just bought that is very useful, but it has caused a bit of a problem (which I fixed), but now it won't run.

    When you install the program from CD's, it also installs JAVA v 1.3 (yea, I know, it's ancient). After installation, the program works fine. However, it disables about half the other programs I run because they want the latest JAVA.

    I uninstalled the JAVA, reinstalled the latest version, but now the program won't run, saying that it needs JAVA 1.3.

    Can I have both versions on my machine at the same time? Or should I separate them on a flash drive or hard drive partition?

    I have a Windows 7 Home Premium SP1 machine, 64 bit. 1TB drive with plenty of room. 8 GB RAM

    Suggestions, please.

    Carl
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  3. Adryanss
    Posts : 1
    Windows 7 Ultimate 64bit
       New #2

    If you try to install Java 1.3 while the new version (7 update 67?) is already installed, will the old java overwrite the new version?
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  4. aintnorock
    Posts : 72
    windows 7 home premium 64 bit
    Thread Starter
       New #3

    No, it does not.
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  6. hotLiverLips
    Posts : 1
    Windows 7 Home Premium SP1 64-bit
       New #4

    Hi there! I don't know if this will help you but there's a link from the Oracle site that will tell you how to delegate certain RIAs in order to use specific Java versions in multiple applications.
    https://blogs.oracle.com/java-platfo..._java_versions

    Would you be able to keep the old Java on 1 browser, for instance, & the new version on another browser & just disable whichever version you're not using? If you have that option, you could easily disable the Java when necessary.
    Good luck! I hope you're able to resolve it soon.
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