题解 | #字符串排序#
字符串排序
https://www.nowcoder.com/practice/5af18ba2eb45443aa91a11e848aa6723
import java.util.*; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); while (in.hasNextLine()) { String num = in.nextLine(); ArrayList<String> t = new ArrayList<String>(); for (int i = 0; i < Integer.valueOf(num); i++) { String str = in.nextLine(); t.add(str); } //将nextLine改为next,后者不接受空格回车: Object[] arr = t.toArray(); Arrays.sort(arr); for (Object s : arr) { System.out.println(s); } } } }