Arraylist how we get data?

#1

if we have a Arraylist of type node then how we will iterate Arraylist node data

#2

Hey @amankumar7017

Enhanced for Loop

ArrayList children = new ArrayList<>();
for(Node node : children) {

	}
#3

if we have Arraylist<Arraylist> (graph situation) then how we print only vertex of graph (adjacency list )