Set last modified time of a file or directory

/*
  Set last modified time of a file or directory
  This Java example shows how set last modified time of a particular 
  file or directory using setLastModified method of Java File class.
*/
 
import java.io.*;
import java.util.Date;
 
public class SetFileLastModifiedTime {
 
  public static void main(String[] args) {
 
    //create file object
    File file = new File("C://FileIO//ReadText.txt");
 
    Date lastModified = new Date(file.lastModified());
    System.out.println("Last modified time of file is : " + lastModified );
 
    /*
     * To set last modified time of a file, use
     * boolean lastModifiedTime(long time) method of Java File class.
     *
     * Here, time is milliseconds since Jan 01, 1970 00:00:00.
     *
     * This method returns true if operation was successful, false otherwise.
     */
 
     lastModified = new Date();
 
     //set last modified time to current time
     boolean blnSuccess = file.setLastModified(lastModified.getTime());
 
     System.out.println("Was last modified time set successfully ?:" + blnSuccess);
 
     System.out.println("File last modification date is : " +
       new Date(file.lastModified()));
 
  }
}
 
/*
Typical output would be
Last modified time of file is : Sun Jan 06 16:23:55 EST 2008
Was last modified time set successfully ?:true
File last modification date is : Mon Jan 07 20:50:00 EST 2008
*/