MithraTalluri

import java.util.HashSet;
import java.util.LinkedList;

class Vertex{
    private String name;
    private LinkedList<Edge> edgeList;

    public Vertex(String name){
        this.name = name;
        edgeList = new LinkedList<>();

MithraTalluri

   //new class to store level of each node along with the node 
   static class QueueNode{
        Node node;
        int level;
        public QueueNode(Node node, int level){
            this.node = node;
            this.level = level;
        }
    }