public void removeEdge(Edge edge) throws Exception {
  if (EdgeDistros.containsKey(edge))   EdgeDistros.remove(edge);
  super.removeEdge(edge);
}

public void removeEdge ( Edge edge ) throws Exception { if ( EdgeDistros . containsKey ( edge ) ) EdgeDistros . remove ( edge ) ; super . removeEdge ( edge ) ; }
removes the selected edge from the graph .
