Shuffle characters in a String (java)

Converts chars to List --> Collections.shuffle --> String.join

import java.util.Collections;
import java.util.List;
import java.util.Arrays;

public class Shuffler {

     public static void main(String []args){
        String s = "012345";
        
        for( int i = 0; i < 10; i++) {
           System.out.println(shuffle(s));
        }
     }
     
     public static String shuffle(String s) {
        List<String> chars = Arrays.asList(s.split(""));
        Collections.shuffle(chars);
        return String.join("", chars);
     }
}