package ListTest;

import java.util.*;
public class TestList{
    public static void main(String args[]){
        List list = new ArrayList();
        list.add("Hello");
        list.add("World");
        list.add(1, "Learn");
        list.add(1, "Java");
        printList(list);
    }
    public static void printList(List list){
    //collections 提供了sort方法来排序
        Collections.sort(list);
//1
        for(int i = 0; i< list.size();i++){
            System.out.println(list.get(i));
        }

    }
}