Graph: changed a lot
DirectedGraph: added
Id: added
Graph: made T to extend Id
DirectedGraph: fixed
Graph: changed List to Collection, added get(int id)
SimpleDirectedGraph: added
Graph: changed Iterator to ListIterator
Connection: removed
SimpleDirectedGraph: changed return type of getConnections to
ListIterator, added throw new UnsupportedOperationException lines
TestSimpleDirectedGraph: added
Vertice: deleted
SimpleDirectedGraph: added private class Vertice, field vertices,
implemented add
TestSimpleDirectedGraph: overrided toString for Item, changed
SimpleDirectedGraph to Graph
SimpleDirectedGraph: implemented clear, contains, get, remove, size,
isEmpty
SimpleDirectedGraph: refactored get, contains, remove, add
TestSimpleDirectedGraph: implemented tests for all methods of Graph,
except getConnections, connect, addAll, iterator, reverse