Migrating my development platform from J2SE to J2EE

Context: Windows 2003 Server Edition
I downloaded and installed J2SE 5.0. Now I want to download J2EE 5.0 to get into some serious application development.
Should|Must I remove|uninstall J2SE first or can I just download and install J2EE over J2SE?
Does it make sense to have both coexisting on my server/development machine?
Thanks
Jim

this is not an exlusive-or situation.
you will develop j2ee apps using j2se code and j2ee code.
do not uninstall j2se :)

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