package com.day17.IO;
/*
* BufferedInputStream是一个缓冲区，它在内存中，速度要快的很多
* */
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
public class IOBufferCopy {
public static void main(String[] args) throws IOException {
FileInputStream fis=new FileInputStream("桌面背景.jpg");
FileOutputStream fos=new FileOutputStream("桌面背景copy.jpg");
BufferedInputStream bis=new BufferedInputStream(fis);
BufferedOutputStream bos=new BufferedOutputStream(fos);
int b;
while((b=bis.read())!=-1) {
bos.write(b);
}
bis.close();
bos.close();
}
}