Graphs Introduction

package pep.Day38;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class Graphs_Introduction {
    static class Edge {
        int src;
        int nbr;
        int wt;

        Edge(int src, int nbr, int wt) {
            this.src = src;
            this.nbr = nbr;
            this.wt = wt;
        }
    }

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int vtces = Integer.parseInt(br.readLine());


        ArrayList<Edge>[] graphs = new ArrayList[vtces];
        for (ArrayList<Edge> graph : graphs) {
            graph = new ArrayList<>();
        }
        int edges = Integer.parseInt(br.readLine());

        for (int i = 0; i < edges; i++) {
            String[] parts = br.readLine().split(" ");
            int v1 = Integer.parseInt(parts[0]);
            int v2 = Integer.parseInt(parts[1]);
            int wt = Integer.parseInt(parts[2]);

            graphs[v1].add(new Edge(v1, v2, wt));
            graphs[v2].add(new Edge(v2, v1, wt));
        }

        int src = Integer.parseInt(br.readLine());
        int dest = Integer.parseInt(br.readLine());
    }
}