import java.util.ArrayList;
import java.util.LinkedList;
public class main {
public static void main(String[] args)
{
LinkedList list1 = new LinkedList<String>();
list1.add("l1_value1");
list1.add("l1_value2");
LinkedList list2 = new LinkedList();
list2.add("l2_value1");
list2.add("l2_value2");
LinkedList list3 = new LinkedList();
list3.add("l3_value1");
list3.add("l3_value2");
ArrayList<LinkedList> arrayList = new ArrayList<LinkedList>();
arrayList.add(list1);
arrayList.add(list2);
arrayList.add(list1);
arrayList.forEach(System.out::println);
System.out.println("Classname: " + arrayList.get(0).getClass());
}
}