i/o流(4)

package io;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class TestBuffer {
public static void main(String[] args) throws Exception {
buReader();
buWriter();
}

private static void buWriter() throws Exception{
BufferedWriter bw = new BufferedWriter(new FileWriter("第10章/a.txt"));
bw.write("liutingshishabi");
//刷新缓存
// bw.flush();
//默认执行fush(),关闭管道。
bw.close();
}

private static void buReader() throws Exception {
BufferedReader br=new BufferedReader(new FileReader("第10章/a.txt"));
String str=br.readLine();
str=br.readLine();
System.out.println(str);
}
}

读写字符文件()
BufferedReader bw=new BufferedReader(new FileReader("文件路径"));　　　//(字符输入缓冲流)
BufferedWriter bw = new BufferedWriter(new FileWriter("文件路径"));         //(字符输出缓冲流)