1回答

• 

  慕雪0332877

  2019-03-26 14:20:43

  package com.imooc;
  
  import java.io.File;
  import java.io.*;
  
  public class FileInOutEx {
   
      public static void main(String[] args) throws IOException{
  
  File file_Book1 = new File("Book1.txt");
  
  byte[] bookInfo = "世界是好的\t 350.0\t Friedman\t".getBytes();
  
  file_Book1.createNewFile();
  
  FileOutputStream fos = new FileOutputStream(file_Book1);
  
  fos.write(bookInfo);
  
  fos.close();
  
  FileInputStream fis = new FileInputStream(file_Book1);
  
  byte[] byt = new byte[1024];
  
  System.out.println("书籍名称\t 价格\t 作者\t");
  
  System.out.println("---------------------------------------");
  
  int i = fis.read(byt);
  
  
  
  System.out.print(new String(byt,0,i));
  
  fis.close();
  
  }
  }
  
  

  0 0