Iterate

Iterate with LinkList
class GFG
{
    public static void bfs(int s, ArrayList<Integer> adj[],boolean visited[])
    {
        visited[s]=true;
        LinkedList<Integer> queue=new LinkedList<>();
        queue.add(s);
        while(!queue.isEmpty())
        {
            int temp=queue.poll();
            System.out.print(temp+" ");
            Iterator<Integer> ir=adj[temp].listIterator();
            while(ir.hasNext())
            {
                int t=ir.next();
                if(!visited[t])
                {
                    visited[t]=true;
                    queue.add(t);
                }
            }
           
        }
    }
}
 public void DFS(int v,LinkedList<Integer> adj[],boolean visited[])
    {
       visited[v]=true;
       System.out.print(v+" ");
       Iterator<Integer> ir=adj[v].listIterator();
       while(ir.hasNext())
       {
           int t=ir.next();
           if(!visited[t])
           {
               DFS(t,adj,visited);
           }
       }
    }