/* * 解题思路: Collections.sort() * 补充说明: 如果是其他排序, 需用实现Comparator接口及其中的compare方法 */ import java.util.*; public class Main { public static void main(String[] args) { ArrayList<String> list = new ArrayList(); Scanner sc = new Scanner(System.in); if (sc.nextInt() == 0) { return; } sc.nextLine(); while (sc.hasNext()) { list.add(sc.nextLine()); } Collections.sort(list); for (String s: list) { System.out.println(s); } } }