Modify the path.java program (Listing 14.2) to print a table of the minimum cost

Question

Modify the path.java program (Listing 14.2) to print a table of the minimum costs to get from any vertex to any other vertex. This exercise will require some fiddling with routines that assume the starting vertex is always A.

LISTING 14.2 The path. java Program path java. demonstrates shortest path with weighted, directed graphs to run this program: C java PathApp class Dist Par distance and parent items stored in SPath array public int distance distance from start to this vertex public int parentverti current parent of this vertex public DistPar int pv int d il constructor distance di parent Vert pv il end class DistPar class Vertex public char label; label (e.g. A') public boolean isInTree public Vertex (char lab constructor label lab isInTree false end class Vertex class Graph private final int MAX VERTS 20

Explanation / Answer

//This is a java program to find the shortest path between source vertex and destination vertex import java.util.HashSet; import java.util.InputMismatchException; import java.util.Iterator; import java.util.Scanner; import java.util.Set; public class Dijkstras_Shortest_Path { private int distances[]; private Set settled; private Set unsettled; private int number_of_nodes; private int adjacencyMatrix[][]; public Dijkstras_Shortest_Path(int number_of_nodes) { this.number_of_nodes = number_of_nodes; distances = new int[number_of_nodes + 1]; settled = new HashSet(); unsettled = new HashSet(); adjacencyMatrix = new int[number_of_nodes + 1][number_of_nodes + 1]; } public void dijkstra_algorithm(int adjacency_matrix[][], int source) { int evaluationNode; for (int i = 1; i

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