HDU 2000 java中的char數組和排序函數的運用

import java.io.BufferedReader;  
import java.util.*;  
import java.io.Console;  
import java.io.IOException;  
import java.io.InputStreamReader;  
import java.util.Scanner;  
import javax.swing.JOptionPane; 
import java.util.*;  

public class Main {
	
	public static void main(String[] args) {
        Scanner sc = new Scanner(System.in); 
        while(sc.hasNext())
        {
        	String s = sc.next(); 
        	char []ch = new char[10];
        	ch = s.toCharArray(); // 將字符串複製到char數組中
        	Arrays.sort(ch); // 排序
        	System.out.println(ch[0]+" "+ch[1]+" "+ch[2]);
        }
        sc.close();
	}
}