import java.util.Arrays;
import java.util.List;

public class Main {

    public static void main(String[] args) {
        List<Integer> list = Arrays.asList(1, 2, 3, 2, 1);
        List<String> sList = Arrays.asList("abc", "xyz");
        /*print(list);
        printS(sList);*/

        print(list);
        print(sList);
    }

    /*public static void print(List<Integer> list) {
        for(Integer i : list) {
            System.out.print(i + " ");
        }
        System.out.println();
    }

    public static void printS(List<String> list) {
        for(String i : list) {
            System.out.print(i + " ");
        }
        System.out.println();
    }*/

    public static <TYPE> void print(List<TYPE> list) {
        for(TYPE value : list) {
            System.out.print(value + " ");
        }
        System.out.println();
    }
}