Sort files base on their last modified date : Files « File Input Output « Java






Sort files base on their last modified date

   

import org.apache.commons.io.comparator.LastModifiedFileComparator;
 
import java.io.File;
import java.util.Arrays;
 
public class Main {
    public static void main(String[] args) {
        File dir = new File("c:\\");
        File[] files = dir.listFiles();
 
        Arrays.sort(files, LastModifiedFileComparator.LASTMODIFIED_COMPARATOR);
        for (int i = 0; i < files.length; i++) {
            File file = files[i];
            System.out.printf("File %s - %2$tm %2$te,%2$tY%n= ", file.getName(),
                    file.lastModified());
        }
 
        Arrays.sort(files, LastModifiedFileComparator.LASTMODIFIED_REVERSE);
        for (int i = 0; i < files.length; i++) {
            File file = files[i];
            System.out.printf("File %s - %2$tm %2$te,%2$tY%n= ", file.getName(),
                    file.lastModified());
        }
    }
}

   
    
    
  








Related examples in the same category

1.Create file
2.Create a temporary file
3.Creating a Temporary File and delete it on exit
4.Create a directory (or several directories)
5.Get file size
6.Change last modified time of a file or directory
7.Construct file path
8.Create temporary file with specified extension suffix
9.Create temporary file in specified directory
10.Create new empty file
11.Compare two file paths
12.Delete a file
13.Delete file or directory
14.Deleting a Directory (an empty directory)
15.Delete file or directory when virtual machine terminates
16.Determine File or Directory
17.Determine if a file can be read
18.Determine if a file can be written
19.Determine if file or directory exists
20.Determine if File or Directory is hidden
21.Demonstrate File.
22.Moving a File or Directory to Another Directory
23.Find out the directoryFind out the directory
24.Get all path information from java.io.File
25.Getting an Absolute Filename Path from a Relative Filename Path
26.Getting an Absolute Filename Path from a Relative Filename with Path
27.Getting an Absolute Filename Path from a Relative Filename parent Path
28.Get Absolute path of the file
29.Get File size in bytes
30.Get parent directory as a File object
31.Get a file last modification date
32.File.getCanonicalFile() converts a filename path to a unique canonical form suitable for comparisons.
33.Getting the Parents of a Filename Path
34.Get the parents of an absolute filename path
35.Getting and Setting the Modification Time of a File or Directory
36.Mark file or directory Read Only
37.List Filesystem roots
38.List drives
39.Listing the Directory ContentsListing the Directory Contents
40.Rename file or directory
41.Forcing Updates to a File to the Disk
42.Random FileRandom File
43.Create a directory; all ancestor directories must exist
44.Create a directory; all non-existent ancestor directories are automatically created
45.Getting the Current Working Directory
46.Change a file attribute to writable
47.Data fileData file
48.Output to a text File
49.Choose a FileChoose a File
50.Read data from text file
51.Copy File
52.Querying a File for Information
53.Working with RandomAccessFileWorking with RandomAccessFile
54.Get a list of files, and check if any files are missing
55.Delete a file from within Java
56.Work with temporary files in Java
57.Compare File Dates
58.Strings -- extract printable strings from binary file
59.Get extension, path and file nameGet extension, path and file name
60.Read file contents to string using commons-io?
61.Get all xml files by file extension
62.Get icon for file type
63.Change a file attribute to read only
64.Get file extension name
65.Search for files recursively
66.Create a human-readable file size
67.Set file attributes.
68.Format file length in string
69.Return a file with the given filename creating the necessary directories if not present.