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Subject: Re: How to notify Matlab about Java object change in Matlab Java
Date: Tue, 21 Apr 2009 16:13:02 +0000 (UTC)
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If you are using swing components, you might take a look at Yair Altman's uicomponent or my own jcontrol class on the FEX. 
http://www.mathworks.com/matlabcentral/fileexchange/15580
Both provide access to the MATLAB container and the underlying swing component through a single object.
A MATLAB figure can not parent a JFrame to the best of my knowledge but you can build GUIs in e.g. a JPanel contained in an ML figure easily enough.