how to upgrade JDK or JRE

[Kimihiko . Kitase]

Simple question, When we upgrade JDK or JRE to newer version, Must I un-install old version of JDK and JRE? Or Can I install newer version on old JDK or JRE? Which is better? Thank you, Kimi --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]