method for checking if this graph object has an id string for its
commit6d9a06f600685855c4add8e1b7647029bfdea647
authorJochen Keil <jochen.keil@gmail.com>
Mon, 21 Jun 2010 15:51:10 +0000 (21 17:51 +0200)
committerJochen Keil <jochen.keil@gmail.com>
Mon, 21 Jun 2010 15:51:10 +0000 (21 17:51 +0200)
treebe99a18b3cae9afdb075ba2bf5d62f88bb63ba73
parent6122a8ccb4a59fc3d7d2c44e62d800430bc0b172
method for checking if this graph object has an id string for its
cities/points
Graph.java