字符文件缓冲流 BufferedWriter/BufferedReader

BufferedReader

package IO.Demo06;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class BufferedReaderA {
    public static void main(String[] args) throws IOException {
        FileReader fr = new FileReader("G:\\新建文本文档.txt");
        BufferedReader br = new BufferedReader(fr);
/*        char[] buf=new char[1024];
        int date=0;
        while((date=br.read(buf))!=-1){
            System.out.println(new String(buf,0,date));
        }*/
        System.out.println("----------第二种，读取行---------");
        String line =null;
        while((line=br.readLine())!=null){
            System.out.println(line);
        }
        fr.close();
    }
}

BufferedWriter

package IO.Demo06;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class BufferedWriterA {
    public static void main(String[] args) throws IOException {
        FileWriter fw = new FileWriter("G:\\新建文本文档.txt");
        BufferedWriter bw = new BufferedWriter(fw);
        for (int i = 0; i < 10; i++) {
            bw.write("杀敌大神");
            bw.newLine();
            bw.flush();
        }
        bw.close();
        System.out.println("完毕");
    }
}