Lesson 1 wrapper 1

import java.util.ArrayList;

public class ArrayListTest {
 public static void main(String[] args){
  ArrayList<Integer> list = new ArrayList<>();

  Integer x = new Integer(1);
  Integer y = 2;

  list.add(x);
  list.add(y);
  list.add(x+y+5);

  System.out.println(list.get(2));
 }
}