使用DataInputStream从文件读取长型数据

/** 
来 自 
NowJava.com - 时代Java
**/


import java.io.DataInputStream;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

 

public class Main {

 

  public static void main(String[] args) {

 

    String strFilePath = "C://Folder//readLong.txt";

   

    try

    {

      FileInputStream fin = new FileInputStream(strFilePath);

      DataInputStream din = new DataInputStream(fin);

      long l = din.readLong();

      System.out.println("long : " + l);

      din.close();       

    }
    /** 
    来 自 
    时代Java - nowjava.com
    **/

    catch(FileNotFoundException fe)

    {

      System.out.println(