Returns true if the edges in this graph are directed. Directed edges connect a {@link EndpointPair#source() source node} to a {@link EndpointPair#target() target node}, while undirected edges connect a pair of nodes to each other.
()
| 124 | * undirected edges connect a pair of nodes to each other. |
| 125 | */ |
| 126 | @Override |
| 127 | boolean isDirected(); |
| 128 | |
| 129 | /** |
no outgoing calls