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File handling program to display directory contents

Posted By: Easy Tutor     Category: Java     Views: 8380

Write file handling program to display directory contents contains file or directory.

Code for File handling program to display directory contents in Java

import java.io.File;

class  DirList
    publicstaticvoid main(String[] args) 
         String dirname= "e:/songs";
         File f1 = new File(dirname);
    if (f1.isDirectory())
              System.out.println("Directory of " + dirname);
              String s[] = f1.list();

              for (int i=0;i<s.length ;i++ )
                    File f = new File(dirname + "/"+ s[i]);
                    if (f.isFile()){
                         System.out.println(s[i] + " is a File");
                        System.out.println(s[i] + " is a directory");
           System.out.println(dirname + " is not  a directory");

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Easy Tutor
Easy Tutor author of File handling program to display directory contents is from United States. Easy Tutor says

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Mike Juma from Kenya Comment on: Mar 24
THANK-YOU in advance for you kindness and help on this question.

Display Input-Output from database to device, phone and input new data

IdNumber First LastName Course City DateEnrolled

2101 Rajesh Khan PHP London 05/03/2012
2102 Mohamed Sarwar vbnet Mahwah 06/03/2011
2103 Hamisi Juma Csharp Mombasa 08/03/2010
2104 Erik Dell cplusplus JeseyCity 09/03/2009
2105 David Maina php Nairobi 10/03/2008
2106 Mahesh Shah java NewDelhi 05/03/2007
2107 John Stevens mysql Dearborn 05/03/2006
2108 Anthony Rwandiga sql Kigali 07/03/2005

How can I write a code in Java using above input from access or sql and display that information on a phone? Update student information to the database via hand held device and phone.

1. For example when I enter student id on the phone it displays the rest of the information (name, course) as it interacts with the database.

2. I would like if I scan a student ID using a hand held device it gives me the name course etc., while being at the same time being able to input and update new student information to the database through handheld device or phone. Prosperity and peace to you.



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