Java Graph Library used in "Introduction to Algorithms, Data Structures and Formal Languages" by M. J. Dinneen, G. Gimel'farb and M. C. Wilson (Pearson NZ, 2004). Copyright Michael J. Dinneen Permission to use, copy, modify, sell, and distribute this source is hereby granted without fee provided that the above copyright notice appears in all copies and that both the copyright notice and this permission notice appear in supporting documentation. The author makes no representations about the suitability of this source code for any purpose. It is provided "as is" without express or implied warranty.