Why is did two JRE's load from SDK?

I've just set up the SDK 1.3.1 and have found the the JRE files have been loaded in 2 places, one under the c:\JDK1.3.1, the other under C:\Program Files\Javasoft. Are both necessary, or can the Javasoft copy be safely deleted.
Also in the Control Panel Java setting what is the "Default" plug-in location?
Thanks,
Will Salomon

First JRE is for launching tools from SDK, second is
JRE for java.exe elsewhere.I must admit that I do not understand the response. Why could not one single JRE be used for both purposes cited above? In fact I have just deleted the directory under "Program Files/Java" from my machine and redirected the registry entries referring to it to under "/j2sde1.4.1/jre/". At least to this moment I do not experience problems (perhaps it will still come).
Best regards
Johannes

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