The figure below is called a graph. The circles are called nodes and the lines are called edges. An edge connects two nodes. You can interpret the graph as a haunted house containing rooms and passages between rooms. The nodes can be thought of as rooms and an edge connects one room to another. Note that each node could have, at most, four edges.

 

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Start A E B F J C G K D H L Exit North ↑ Start A E B F J C G K D H L Exit North ↑

Answer rating: 100% (QA)

Heres an implementation of the HauntedHouse class in Java that uses references to instances of a Node class to represent the graph structure import ja... View the full answer