try (BufferedReader file = new BufferedReader(new FileReader("Distances.txt"))) {
            String line = file.readLine();
            Graph g = null;
            //new MatrixGraph(10);
            while(line != null) {

                if(line.startsWith("//")){
                    line = file.readLine();
                    continue;
                }
                String[] characters = line.split(" +");
                if(g != null){
                    g = new MatrixGraph(Integer.parseInt(characters[0]));
                }
                int i = Integer.parseInt(characters[0]);
                int j = Integer.parseInt(characters[1]);
                int d = Integer.parseInt(characters[2]);
                g.add(i, j, d);
            }
            line = file.readLine();
            file.close();
            bfs(g, from, to);