BufferedWriter与BufferedRead --------------------------Test2

package com.test;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
 * 将两个文档合并为一个文档，需要注意要读取的文件的编码格式与java文件的编码格式相同
 * @author Administrator
 *
 */
public class Demo3 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Readwrite111 readwrite111 = new Readwrite111();
        readwrite111.copyDate();
        
    }

}

class Readwrite111 {
    public static void copyDate() {
        BufferedReader bufferedReader = null;
        BufferedReader bufferedReader2 = null;
        BufferedWriter bufferedWriter = null;
        try {
            //将要进行合并的文档
            File file = new File("D://userMsg//userinfo.txt");
            File file2 = new File("D://userMsg//userinfo11.txt");
            //保存读取到的文档内容
            List<String> list = new ArrayList<String>();
            String str = null;
            //开始进行第一个文档的读取
            FileReader fileReader = new FileReader(file);
            bufferedReader = new BufferedReader(fileReader);
            while((str = bufferedReader.readLine())!= null){
                list.add(str);
                
            }
            //开始进行第二个文档的读取
            FileReader fileReader2 = new FileReader(file2);
            bufferedReader2 = new BufferedReader(fileReader2);
            while((str = bufferedReader2.readLine())!=null){
                list.add(str);
                
            }
            //将要进行合并的文档，并此将结果写入到此文档中
            File file3 = new File("D://userMsg//userinfo22.txt");
            FileWriter fileWriter = new FileWriter(file3);
            bufferedWriter = new BufferedWriter(fileWriter);
            for(String s : list){
                bufferedWriter.write(s);
                //写入数据是进行换行
                bufferedWriter.write("
");
                System.out.println(s);
            }
            bufferedWriter.flush();
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e){
            e.printStackTrace();
        }finally{
            try {
                if(bufferedReader!=null){
                    bufferedReader.close();
                }
                if(bufferedReader2!=null){
                    bufferedReader2.close();
                }
                if(bufferedWriter!=null){
                    bufferedWriter.close();
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        
        
    }
}