package com.test;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Iterator;

import java.util.List;

/**

 * Created with IntelliJ IDEA.

 * User: jackzhao

 * Date: 14-1-22

 * Time: 下午3:58

 * To change this template use File | Settings | File Templates.

 */

public class HelloWord {

    public static void main(String[] arg){

        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

        System.out.println("请输入数字：");

        List<Integer> list=new ArrayList<Integer>();

        try

        {

            String [] str=br.readLine().split(",");

            for(int i=0;i<str.length;i++)

            {

                list.add(Integer.parseInt(str[i]));

            }

        }

        catch (Exception ex)

        {

            ex.printStackTrace();

        }

        System.out.println(list.size());

        //按升序排序

        Collections.sort(list);

        Iterator<Integer> it=list.iterator();

        System.out.print("排序后按升序输出:");

        while(it.hasNext())

        {

            System.out.print(it.next()+",");

        }

        System.out.println();

        System.out.print("排序后按降序输出:");

        for(int i=list.size()-1;i>=0;i--)

        {

            System.out.print(list.get(i)+",");

        }

    }

}