package cs601.graph;

public class UnweightedGraph<ID extends Comparable, N extends Node<ID>>
    implements Graph<ID,N>
{
}

@@ -116,10 +116,53 @@
 ID,N%3E%0A%7B%0A
+%09public N addNode(N node) %7B return null; %7D%0A
 %7D%0A

add first blank impl