(String s,int a,int b)
| 6 | permute(0,s); |
| 7 | } |
| 8 | public static String swap(String s,int a,int b) |
| 9 | { |
| 10 | char ch[] = s.toCharArray(); |
| 11 | char p=ch[a]; |
| 12 | ch[a]=ch[b]; |
| 13 | ch[b]=p; |
| 14 | return String.valueOf(ch); |
| 15 | } |
| 16 | public static void permute(int index, String s) |
| 17 | { |
| 18 | // bASE |