public static class CLevelOfGraph<V,S>
    {
        public int iCalcLevelOfGraph(CGraph<V,S> pcGraph)
        {
            ArrayList<V> c_list_of_vertices = pcGraph.cGetVertices();
            int i_max_degree = 0;
            for (V v : c_list_of_vertices)
            {
                int i_act_degree = pcGraph.cGetEdges(v).size();
                if(i_act_degree > i_max_degree)
                    i_max_degree = i_act_degree;
            } // for (V v : c_list_of_vertices)
            return i_max_degree;
        } // public int iCalcLevelOfGraph(CGraph<V,S>)
    } // public static class LevelOfGraph<V,S>