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Graphs are a broad category of data structures. There are five programming assignments for this unit. The first three are rather straight-forward. The fourth problem is challenging and the fifth is optional and very challenging. All are in CodingRooms.
8.01. Complete the Graph constructor and its toString method.
8.02. Complete the addEdge method in the Graph class.
8.03. Complete the findDistance method in the Graph class.
8.04 Complete three methods the Graph class: getShortestDistance, getNodeWithLowestDistance, and updateUnsettled. Together these methods implement Dijkstra's algorithm and find the shortest distances from a given vertex to all the other nodes in the graph.
8.05 Complete the getBestPath method in the Graph class which returns a List of the nodes that form the shortest path from the first node to the last node. This is an optional assignment.
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