TestBuffferStream

TestBufferStream1.java:

package com.ylkj0401;

import java.io.BufferedInputStream;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

public class TestBufferStream1 {

public static void main(String[] args) {
FileInputStream fis;
try {
fis = new FileInputStream("E:\\yingli1.txt");//有一个管道fis插在文件上
BufferedInputStream bis = new BufferedInputStream(fis);//不满意fis这个管道，所以在他的外边包上了一个bis管道，这个bis管道有缓冲区功能
int c = 0;
System.out.println(bis.read());
System.out.println(bis.read());
bis.mark(100);//在100这个位置做了个标记
for(int i = 0;i <= 10 && (c = bis.read()) != -1;i++ ){
System.out.println((char)c+"");
}
System.out.println();
bis.reset();

for(int i =0;i <= 10 && (c = bis.read()) != -1;i++){
System.out.println((char)c+"");
}
bis.close();
} catch (FileNotFoundException e) {

e.printStackTrace();
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}

}

}

TestBufferStream2.java:

package com.ylkj0401;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

public class TestBufferStream2 {

public static void main(String[] args) {
try {
BufferedWriter bw = new BufferedWriter(new FileWriter("E:\\yingli1.txt"));
BufferedReader br = new BufferedReader(new FileReader("E:\\yingli1.txt"));

String s = null;
for(int i = 0;i < 10;i++){
s = String.valueOf(Math.random());
bw.newLine();
bw.newLine();
}
bw.flush();
while((s = br.readLine())!= null){
System.out.println(s);

}
bw.close();
br.close();
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}

}

}