Change java example to use TimeZone and Calendar classes to handle time  in UTC properly.
Change java example to use TimeZone and Calendar classes to handle time 
in UTC properly.


svn path=/trunk/; revision=8523

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot