As far as I know, JBuilder and Jude are good tools for your need.
After creating a java project and importing the source code of ImageJ,
you can distill UML diagram by using the provided function.
When it comes to Eclipse, Together.for.Eclipse may meet your need.
Good luck.
----- Original Message -----
From: "zhao yl" <
[hidden email]>
To: <
[hidden email]>
Sent: Monday, February 13, 2006 2:59 PM
Subject: What tool used to create ImageJ's UML class diagram?
> Hi,
> I am interested in knowing what tool used to create ImageJ's UML
> class diagram?
>
> Yili Zhao