public void display() {
System.out.println("******************************************");
System.out.println("Vertices ");
for (VertexIter vxiter = getVertices(); vxiter.hasNext(); ) {
vxiter.next().display();
}
System.out.println("******************************************");
}
// Finds a vertex given its name in the vertices list
public Vertex findsVertex(String theName) {
Vertex theVertex = null;
// if we are dealing with the root
if (theName == null) {
return null;
}
for (VertexIter vxiter = getVertices(); vxiter.hasNext(); ) {
theVertex = vxiter.next();
if (theName.equals(theVertex.getName())) {
return theVertex;
}
}
return theVertex;
}
