1import java.util.ArrayList;
2import java.util.List;
3 
4public class Main {
5    public static <T> void printAll(List<T> list) {
6        for (T item : list) {
7            System.out.println(item);
8        }
9    }
10 
11    public static void main(String[] args) {
12        List<String> words = new ArrayList<>();
13        words.add("cat");
14        words.add("dog");
15        printAll(words);
16 
17        List<Integer> nums = new ArrayList<>();
18        nums.add(10);
19        nums.add(20);
20        printAll(nums);
21    }
22}