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Installing JDK after upgrading JRE several times - WIndows XP

830463Jan 12 2011 — edited Jan 13 2011

I am not certain if this is the correct forum for posting JDK installation questions (for Windows XP)? If not, please direct me to the correct one.

I would like to install the JDK for the very first time but I noticed that I have at least two versions of the JRE and a few updates for both. Should I uninstall both JRE's and their updates before installing the latest JDK OR do I merely overinstall?

I have the following:
J2SE Runtime 5.0 Update 10
J2SE Runtime 5.0 Update 11
Java 2 Runtime, SE v1.4.2_01
Java 6 Update 20
Java SE Runtime 6 Update 1

Not sure what the difference between J2SE and Java 6 and whether or not I need both to run applications.

Thanks in advance for clearing up my confusion.

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Locked on Feb 9 2011

Added on Jan 12 2011

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