scf>    int i = 0;                 // first char
scf>        int j = array.length - 1;  // last char
scf>        char tmp;
scf>        while (j > i) {
scf>            tmp = array[j];
scf>            array[j] = array[i];
scf>            array[i] = tmp;
scf>            j--;
scf>            i++;
scf>        }
scf>