字符串排序（3）

import java.util.*;
public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        while(sc.hasNextLine()){
            String[] s=sc.nextLine().split(",");
            Arrays.sort(s);
            for(int i=0;i<s.length;i++){
                if(i!=s.length-1){
                    System.out.print(s[i]+",");
                }
                else{
                    System.out.print(s[i]);
                }
            }
            System.out.println();
        }
    }
}