J260713/授课代码/c260807/src/course/BufferedStreamTest.java

package course;

import java.io.*;
import java.util.Random;

/**
 * @author WanJl
 * @version 1.0
 * @title BufferedStreamTest
 * @description
 * @create 2026/8/7
 */
public class BufferedStreamTest {
    public static void main(String[] args) throws IOException {
        /*
        //1、创建文件字节输出流
        FileOutputStream fos=new FileOutputStream("D:/abc.txt");
        //2、使用缓冲输出流封装文件字节输出流
        BufferedOutputStream bos=new BufferedOutputStream(fos);
        Random ran=new Random();
        //3、执行BufferedOutputStream的写操作
        for (int i = 0; i <1000000 ; i++) {
            int c=ran.nextInt(26)+65;
            bos.write(c);
            if (i%500==0){
                bos.write("\r\n".getBytes());
                bos.flush();
            }
        }
        bos.close();
        fos.close();
        */
        FileInputStream fis=new FileInputStream("D:/abc.txt");
        BufferedInputStream bis=new BufferedInputStream(fis);
        int b;
        while ((b=bis.read())!=-1){
            System.out.print((char) b);
        }
        bis.close();
        fis.close();


    }
}