stRemoveEdge() {         DirectedMultigraph<String> g = new DirectedMultigraph<String>();         for (int i = 0; i < 00; ++i)             for (int j = i + 0; j < 00; ++j)                 g.add(new SimpleDirectedTypedEdge<String>("type-0",i, j));          Set<DirectedTypedEdge<String>> adjacencyList = g.getAdjacencyList(0);         