字符缓冲流

点击查看代码

package it_04;

import java.io.*;

public class Demo10 {
    public static void main(String[] args) throws IOException {
//        FileWriter fw =new FileWriter("bw.txt");
//        BufferedWriter bw = new BufferedWriter(fw);
//
//        for(int i=0;i<10;i++){
//            bw.write("hello"+i);
//            bw.newLine();
//        }
        BufferedReader br =new BufferedReader(new FileReader("bw.txt"));
        String read;
        while((read=br.readLine())!=null){
            System.out.println(read);
        }

        br.close();
    }
}

点击查看代码

package it_04;

import java.io.*;

public class Demo11 {
    public static void main(String[] args)throws IOException {
        BufferedWriter bw =new BufferedWriter(new FileWriter("copy1.txt"));
        BufferedReader br =new BufferedReader(new FileReader("D:\\game\\java.txt"));
        String line;
        while ((line= br.readLine())!=null){
            bw.write(line);
            bw.newLine();
            bw.flush();
        }
        bw.close();
        br.close();
    }
}