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Getting the modification date and time of file or folder in Java 
 

In this section, you will learn how to get the last modification date and time of any file or a folder.

 

Getting the modification date and time of file or folder in Java

                         

Introduction

In this section, you will learn how to get the last modification date and time of any file or a folder.

The file name or the directory name is taken by the user to get the last modification date and time of the specified file or a folder. This program checks whether the specified file or the folder exists or not.

If the file or the folder exists then the method lastModified( ) gives you the last modification date and time of the specified file or folder name. This method shows the time in millisecond.

The getName( ) method retrieves the name of the file or directory.

Here is the code of the program : 

import java.io.*;
 
import 
java.util.*;
 
public class GetDirectoryAndFileModifiedTime{
 
  
public static void main(String[] argsthrows IOException{
    BufferedReader in = new BufferedReader(new 
                         
InputStreamReader(System.in));
    System.out.println("Enter file or directory name in proper 
                        format to get the modification date and time : "
);
    File filename = new File(in.readLine());
 
    
if (filename.isDirectory()){
 
      
if (filename.exists()){
 
       
long t = filename.lastModified();
 
       
System.out.println("Directory name : " + filename.getName());
        System.out.println("Directory 
                modification date and time : " 
new Date(t)); 
     
}
   
   
else{
    
    
System.out.println("Directory not found!");
 
        
System.exit(0);
    
  
}
   
 
}
  
  
else{
 
      
if (filename.exists()){
 
       
long t = filename.lastModified();
  
      
System.out.println("File name : " + filename.getName());
        System.out.println("File 
                    modification date and time : " 
new Date(t));
 
     
}
  else{
    
    
System.out.println("File not found!");
 
       
System.exit(0);
   
   
}
   
 
}
  
}
 
}


Output of the Program:

C:\nisha>java GetDirectoryAndFileModifiedTime
Enter file or directory name in proper format to get the modification date and time :
myfile.txt
File name : myfile.txt
File modification date and time : Thu Oct 04 16:31:39 GMT+05:30 2007

C:\nisha>

Download this example.

                         

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Current Comments

1 comments so far (
post your own) View All Comments Latest 10 Comments:

Simple but very useful..efficient in utilising it in the development of Complex module.

Posted by Vaishnavi on Friday, 11.30.07 @ 23:03pm | #40988

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