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- public static void perm(String s) {
- alternativePerm("", s);
- }
- public static void alternativePerm(String prefix, String s) {
- if (s.length() == 0) {
- System.out.println(prefix);
- }
- for (int i=0; i<s.length(); i++) {
- alternativePerm(prefix+s.charAt(i), s.substring(0,i) + s.substring(i+1, s.length()));
- }
- }
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