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This article applies to the following:
BlackBerry® Java® Plug-in for Eclipse®
If multiple BlackBerry Java SDKs are installed for the BlackBerry Java Plug-in for Eclipse only one can be active at a time. To switch to a different component package, complete the following steps:
Expand your project.
Right click on JRE System Library.
Select the desired BlackBerry Java SDK version in the Alternate JRE dropdown.