Complete the program by implementing the Prim’s algorithm solution using Java( I
ID: 3865882 • Letter: C
Question
Complete the program by implementing the Prim’s algorithm solution using Java( IDE: Eclipse Neon). A priority queue (pq) has been included. The codes need to pass the JUnit tests.
Implement the FindMST method (and any helper methods you want) in LAB5.java. Please check the Google Drive link below
Please check the Google Drive link below. Please check the Google Drive link below. Please check the Google Drive link below.
Please check the Google Drive link below. Please check the Google Drive link below. Please check the Google Drive link below.
Here is a link to all the codes: https://drive.google.com/open?id=0BxTT6LOOzpMPYTRzTk5OTUFEa0k
Expects one input: • Graph with the vertices.
Return one output: • The graph with the vertices with the MST edges added to it.
A preview of some of the codes:
public class LAB5 {
// TODO document this method
public static void FindMST(Graph g) {
// TODO implement this method
/*Playground:
* The following sniplets of code is provided to ease your life.
* You don't have to use it or look at it.
*/
//V: list of vertices
Vertex[] V = g.getVertices();
//E: list of edges
List<Edge> E = new ArrayList<Edge>();
//add implicit edges to a new list
for (Vertex u: V) {
for (Vertex v: V) {
if (u != v) {
E.add(new Edge(u, v));
}
}
}
/*
* look at my pretty edges:
Edge[] E = g.getEdges();
*/
//Init all Q[i].key = inf
double myInf = Double.POSITIVE_INFINITY;
//sample useage of a PQ:
int[] dist = {20, 30, 10, 5, 333};
IndexMinPQ<Integer> Q = new IndexMinPQ<Integer>(dist.length);
for (int i = 0; i < dist.length; i++) {
Q.insert(i, dist[i]);
}
// print each key using the iterator
System.out.println("Priority Queue iterator example:");
for (int i : Q) {
System.out.println(i + " " + dist[i]);
}
}
/********************************************
*
* You shouldn't modify anything past here
*
********************************************/
Explanation / Answer
public class Prim { int weightArray[][] = new int[20][20]; int visited[] = new int [20]; int d[] = new int[20]; int p[] = new int[20]; int verticeCount, edgeCount; int nodeA, nodeB, weight; int current, total, mincost; public static void main(String args[]) throws IOException { // Instantiate the graph based on input BufferedReader buf = new BufferedReader(new InputStreamReader(System.in)); System.out.print(" Enter number of vertices: "); verticeCount = Integer.parseInt(buf.readLine()); System.out.print(" Enter number of edges: "); edgeCount = Integer.parseInt(buf.readLine()); for (int i = 1; iRelated Questions
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