1. Design and implement an adjacency matrix implementation of the directed graph ADT. 2. Add a method convertToMatrix to the LinkedDirectedGraph class. This function builds and returns an adjacency...

1. Design and implement an adjacency matrix implementation of the directed graph ADT.

2. Add a method convertToMatrix to the LinkedDirectedGraph class. This function builds and returns an adjacency matrix representation of this graph, as defined in Project 7.