Degree

The degree of a node is the number of edges connected to the node.

The maximum degree of a graph is the highest degree of all nodes.

Directed Graphs

For directed graphs, node can have an indegree and an outdegree which corresponds to the number of incoming and outgoing edges respectively.

Indegree

  • The number of incoming edges

Outdegree

  • The number of outgoing edges

References

https://www.interviewcake.com/concept/java/topological-sort