Best shuffle: Difference between revisions

char[] s2 = s1.toCharArray();

Collections.shuffle(Arrays.asList(s2));

for (int i = 0; i < s2.length; i++) {

if (s2[i] != s2[j] && s2[i] != s1.charAt(j) && s2[j] != s1.charAt(i)) {

char tmp = s2[i];

break;

}

}

}

return s1 + " " + new String(s2) + " (" + count(s1, s2) + ")";