sort the contents in txt file

input.txt
january
february
march
april
may
june
july
auguest
september
october
november
december

package com.usr.io;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

public class SortTheContentsInTxtFile {

       public static void main(String[] args) {

              File fin = new File("C:\\input.txt");

              File fout = new File("C:\\output.txt");

              try {

                     FileInputStream fis = new FileInputStream(fin);

                     FileOutputStream fos = new FileOutputStream(fout);

                     BufferedReader br = new BufferedReader(new InputStreamReader(fis));

                     BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos));

                     String line = "";

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

                     while ((line = br.readLine()) != null) {

                           list.add(line);

                     }

                     Collections.sort(list);

                     for (String temp : list) {

                           System.out.println(temp);

                           bw.write(temp);

                           bw.newLine();

                     }

                     br.close();

                     bw.close();

              }

              catch (FileNotFoundException e) {

                     e.printStackTrace();

              } catch (IOException ex) {

                     ex.printStackTrace();

              }

       }

}

output.txt 

april
auguest
december
february
january
july
june
march
may
november
october
september