Java Examples - Modify the File's Last Modified Date

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The following example demonstrates how to use the File class's fileToChange.lastModified() and fileToChange.setLastModified() methods to modify the file's last modified date:

Main.java file

import java.io.File; import java.util.Date; public class Main { public static void main(String[] args) throws Exception { File fileToChange = new File("C:/myjavafile.txt"); fileToChange.createNewFile(); Date filetime = new Date(fileToChange.lastModified()); System.out.println(filetime.toString()); System.out.println(fileToChange.setLastModified(System.currentTimeMillis())); filetime = new Date(fileToChange.lastModified()); System.out.println(filetime.toString()); } }

The output of running the above code is:

Sat Mar 21 22:00:48 CST 2015
true
Fri Apr 10 11:09:19 CST 2015

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