What a great tool MAT (Memory Analyser) is by the way.
www.eclipse.org/projects/project_summary.php?projectid=tools.mat
I recommend using the stand alone version as eclipse really starts to creak with this as a plugin. I would also strongly recommend the x64 version as you will need all the memory and breathing space your local desktop can give it!
http://www.eclipse.org/mat/downloads.php
Java is a wonderful language but sometimes developers can get carried away without much regard for object creation!