ArrayELinkedList.java

import java.util.ArrayList;
import java.util.LinkedList;

public class ArrayELinkedList {

	public static void main(String[] args) {
		
		ArrayList<LinkedList<String>> arrayList = new ArrayList<>();
		
		LinkedList<String> linked01 = new LinkedList<>();
		linked01.add("A");
		linked01.add("B");
		
		LinkedList<String> linked02 = new LinkedList<>();
		linked02.add("C");
		
		arrayList.add(linked01);
		arrayList.add(linked02);
		
		//acessando o "B"
		if (arrayList.get(0) != null){ //é sempre bom verificar antes de usar
			System.out.println(arrayList.get(0).get(1));
		}

	}

}