how to read returned arraylist from another class method

1import java.util.ArrayList;
2public class test {
3   private numbers number;
4
5   //example
6   public test() {
7     number = new numbers();
8     List<Integer> list = number.getList();
9     //hurray !
10   }
11}
12

1import java.util.ArrayList;
2public class numbers {
3   private int number1 = 50;
4   private int number2 = 100;
5   private List<Integer> list;
6
7   public numbers() {
8       list = new ArrayList<Integer>();
9       list.add(number1);
10       list.add(number2);
11   }
12
13   public List<Integer> getList() {
14       return list;
15   }
16}
17