缓冲流

package random;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;

public class BufferImpl {

public static void main(String[] args) throws Exception{

int a = 0;
BufferedInputStream bis = new BufferedInputStream(new FileInputStream("c:\\测试\\a.txt"));
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream("c:\\测试\\f.txt"));
while ((a = bis.read()) > 0) {
bos.write(a);
}
bos.flush();
bis.close();
bos.close();
}
}