14 缓冲流+字节流 实例

package bufferedIO;

import java.io.*;

public class TestBufferStream {
    public static void main(String[] args) {
        try {
            FileInputStream fis = new FileInputStream("E:/jar/1.txt");
            //将fis管道放到带有缓冲区功能的bis管道里
            BufferedInputStream bis = new BufferedInputStream(fis);
            int c = 0;
            //System.out.println(bis.read());
            
            //直接从第100个字符开始读
            bis.mark(100);
            for(int i=0;i<10 && (c = bis.read()) != -1;i++){
                System.out.println((char)c+"");
            }
            
            //回到刚刚设立的那个点，，bis.mark(100);
            bis.reset();
            for(int i=0;i<10 && (c = bis.read()) != -1;i++){
                System.out.println((char)c+"");
            }
            bis.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}