// For more info:
//   http://java.sun.com/j2se/1.5.0/docs/api/java/util/ArrayList.html

import java.util.*;

class TestArrayList {
    public static void main(String[] args) {
        ArrayList<String> al = new ArrayList<String>();
        
        // print empty list
        System.out.println(al);
        
        // add some objects
        al.add("zero");
        al.add("one");
        al.add("two");
        al.add("three");
        System.out.println(al);
        
        // sort it
        // (Can't use Arrays.sort: not an array)
        Collections.sort(al);
        System.out.println(al);

        // delete an element
        al.remove(2);
        System.out.println(al);
        
        String s = al.get(0);
        System.out.println(s);
    }
}