Running JSizer (a tool that shows java code size.) on oracle.jbo.server would give:
SO quoting Charalampos Arapidis
- The Width of a class-node represents the number of fields.
- The Height of a node represents the number of methods.
- The Color represents LOC - lines of code.
So, quoting jSizer's author Robert Olofsson:
What you want to do is to look at the graph, find the big dark boxes and possibly refactor them.Sources: