| 20 | */ |
| 21 | public class StringDemo { |
| 22 | public static void main(String[] args) throws IOException { |
| 23 | // ��ȡ�ļ����ݣ���һ�Σ����ַ������ܡ� |
| 24 | BufferedReader br = new BufferedReader(new FileReader("s.txt")); |
| 25 | String line = br.readLine(); |
| 26 | br.close(); |
| 27 | |
| 28 | // ���ַ���ת�����ַ����� |
| 29 | char[] chs = line.toCharArray(); |
| 30 | |
| 31 | // ���ַ������������ |
| 32 | Arrays.sort(chs); |
| 33 | |
| 34 | // ���ַ�����ת���ַ��� |
| 35 | String s = String.valueOf(chs); |
| 36 | |
| 37 | // ���ַ���д���ı��ļ� |
| 38 | BufferedWriter bw = new BufferedWriter(new FileWriter("ss.txt")); |
| 39 | bw.write(s); |
| 40 | bw.newLine(); |
| 41 | bw.flush(); |
| 42 | bw.close(); |
| 43 | |
| 44 | } |
| 45 | } |