Getting and Setting the Modification Time of a File or Directory Java code example - Click here to copy ->>>
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// -----------------------------------------------------------------------------
// GetSetModificationTime.java
// -----------------------------------------------------------------------------
/*
* =============================================================================
* Copyright (c) 1998-2005 Jeffrey M. Hunter. All rights reserved.
*
* All source code and material located at the Internet address of
* http://www.idevelopment.info is the copyright of Jeffrey M. Hunter, 2005 and
* is protected under copyright laws of the United States. This source code may
* not be hosted on any other site without my express, prior, written
* permission. Application to host any of the material elsewhere can be made by
* contacting me at jhunter@idevelopment.info.
*
* I have made every effort and taken great care in making sure that the source
* code and other content included on my web site is technically accurate, but I
* disclaim any and all responsibility for any loss, damage or destruction of
* data or any other property which may arise from relying on it. I will in no
* case be liable for any monetary damages arising from such loss, damage or
* destruction.
*
* As with any code, ensure to test this code in a development environment
* before attempting to run it in production.
* =============================================================================
*/
import java.io.File;
import java.util.Date;
/**
* -----------------------------------------------------------------------------
* This program demonstrates how to get and set the modification time of a file
* or directory.
*
* @version 1.0
* @author Jeffrey M. Hunter (jhunter@idevelopment.info)
* @author http://www.idevelopment.info
* -----------------------------------------------------------------------------
*/
public class GetSetModificationTime {
private static void doModifyTime() {
// Create a File object
File file = new File("README_InputFile.txt");
// Get the last modified time.
// 0L is returned if the file does not exist.
long modifiedTime = file.lastModified();
System.out.println();
System.out.println("The last modified time of file " + file);
System.out.println("---------------------------------------------------");
System.out.println(" - milliseconds since midnight, January 1, 1970, GMT = " + modifiedTime);
System.out.println(" - date = " + new Date(modifiedTime));
System.out.println();
// Set the last modified time
long newModifiedTime = System.currentTimeMillis();
boolean success = file.setLastModified(newModifiedTime);
System.out.println("Setting a new modified time for the file " + file);
System.out.println("---------------------------------------------------");
System.out.println(" - new milliseconds = " + newModifiedTime);
System.out.println(" - date = " + new Date(newModifiedTime));
System.out.println();
}
/**
* Sole entry point to the class and application.
* @param args Array of String arguments.
*/
public static void main(String[] args) {
doModifyTime();
}
}
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References.
The list of classes which were used on this page you can find below. The
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