Compare File Dates : Files « File Input Output « Java

1. Java
2. File Input Output
3. Files

Compare File Dates

  
import java.io.File;

public class CompareFileDates {
  public static void main(String[] args) {
    // Get the timestamp from file 1
    String f1 = "run.bat";
    long d1 = new File(f1).lastModified();

    // Get the timestamp from file 2
    String f2 = "build.xml";
    long d2 = new File(f2).lastModified();

    String relation;
    if (d1 == d2)
      relation = "the same age as";
    else if (d1 < d2)
      relation = "older than";
    else
      relation = "newer than";
    System.out.println(f1 + " is " + relation + ' ' + f2);
  }
}

           
         
    
  

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 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 Contents
40.	Rename file or directory
41.	Forcing Updates to a File to the Disk
42.	Random 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 file
48.	Output to a text File
49.	Choose a File
50.	Read data from text file
51.	Copy File
52.	Querying a File for Information
53.	Working 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.	Sort files base on their last modified date
58.	Strings -- extract printable strings from binary file
59.	Get 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.