1.4 and 1.3 on the Same Computer

I need to have J2SE 1.3 on my development machine since that matches what is deployed. But I would like to start getting to know J2SE 1.4. The 1.4 installation doc says I have to uninstall 1.3 before installing 1.4. Would I really need 2 separate computers to support what I'm wanting to do? Is there no zip file format of the SDK I can download? Do I really need the registry settings?

I was able to do this with 1.2 and 1.3.1 so take with a grain of salt...
What I did was to place the path for the environment I wanted to use on a regular basis (in your case, 1.3) in my PATH variable. Went ahead and installed the other, but make sure to take out any reference in the PATH and CLASSPATH to that version. This way when normally typing "java" or "javac" at a prompt it finds my primary installation. (you can verify this by typing "java -version" at the prompt and it will tell you what version it finds).
When wanted to fiddle with the new version, I just made sure to explicity call that version (c:\<path to new java>\bin\javac myFile.java) To expediate this I set up a batch file that I caould use (I called it javanew.bat) that took a parameter and basically just passed the input to the other java runtime. So, for example, I had:
c:\java\jdk1.3.1\bin\java %1
in javanew.bat and something similar for javacnew.bat
hope this helps, and good luck.
- b

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See Recover your iTunes library from your iPod or iOS device. But you'll still need the password.
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tt2

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You can consider to use Firefox Sync to sync all the profiles.
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Safest is to modify the desktop shortcut and add -P "profile name" to the command line to start each version with its own profile.<br />
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* http://kb.mozillazine.org/Shortcut_to_a_specific_profile
* http://kb.mozillazine.org/Using_multiple_profiles_-_Firefox
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anthonyitaliano
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Disclaimer: I don't work for Microsoft. Any advice given is my own and does not represent Microsoft.
Follow me on Twitter:
@WindowsZach

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[email protected]

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1.4 and 1.3 on the Same Computer

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