NYOJ之ASCII码排序

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AC代码：

import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        
        int n=Integer.parseInt(sc.nextLine());
        
        while(n-->0){
            
            String s=sc.nextLine();

            char[] book=s.toCharArray();
            Arrays.sort(book);
            
            for(int i=0;i<book.length;i++){
                System.out.printf("%c ",book[i]);
            }
            System.out.println();
        }
        
    }
    
}

题目来源：http://acm.nyist.net/JudgeOnline/problem.php?pid=4