public void st(String[] s){
String[] e = {};
int n =0;
int m =0;
System.out.println(Arrays.toString(s));
System.out.println("length"+s.length);
for(int i = 0;ii;j--){
n = i;
m =j;
System.out.println("i:"+s+"j:"+s[j]);
while(s[n]==s[m]){
System.out.println("进入while");