lastModified « API « Java I/O Q&A

1. How to change the file's permission and last modified in Java? stackoverflow.com

To my knowledge, Java's File class does not support to change the file's permission and last modified date. Is there any proper way to do this in a cross-platform style?

2. How do I find the last modified file in a directory in Java? stackoverflow.com

How do I find the last modified file in a directory in java?

3. The last modified time of a file is a 13 digit number. What does it mean? stackoverflow.com

    long lastmodify   =   f.lastModified();
    System.out.println("File Lost Modify:"+lastmodify);

I am running the above code of file("f"), but it displays the last modified ...

4. How to get the file with latest lastModified date, in Java? stackoverflow.com

I have a directory of files that I need to check for changes. I consider it changed when one of the files has a modifiedDate newer than what I remembered from ...

5. Java: Detecting modification to a file (file polling?) stackoverflow.com

What is the most efficient way to detect modification to a file in Java? I've read about file polling however, the polling approach has a number of drawbacks that become apparent as ...

6. Changing File's last modified without closing it stackoverflow.com

File's last modified time is changed only when the file is closed.

public class Main {
public static void main(String[] args) throws IOException {
    File f = new File("xyz.txt");

  ...

7. Trying to set the last modified time of a file in Java after renaming it stackoverflow.com

Here's the code I started off with:

long modifiedTime = [some time here];
File oldFile = new File("old_name.txt");
boolean renamed = oldFile.renameTo(new File("new_name.txt");
boolean timeChanged = oldFile.setLastModified(modifiedTime);

System.out.println("renamed: " + renamed);
System.out.println("time changed: " + timeChanged);

And the ...

8. lastModified return coderanch.com

9. wrong file size and last-modified date for very large files coderanch.com

Java is subject to the limitations of the native file system. I know for a fact that AIX used to have a 2GB file limit because it used a signed integer for file size (NOTE: this is going back 10 years). Some utilities may still have this limitation. I checked the platforms I have handy and Java can write and get ...

10. how to get LastModified time of a file system file and webserver file coderanch.com

hi , my task is that i have to compare modified time of 2 file.one is in file system other is database file . which is most recently updated (which is newer). details : we have to check that which file is most recently updated .if database 's file is newer then we copy that file in to file system other ...

11. file.lastModified() question coderanch.com

12. file.lastmodified () problem coderanch.com

Hello Every one. I wrote some code to get a list of files in a directory and print their last modified time with the filename into an output file. This is the code package com.test; import java.io.*; public class FileModify { /** * @param args */ public static void main(String[] args) { File dir = new File("/usr/sap/JVI/e2open/mdbc/mailbox/archive"); File[] files = dir.listFiles(); ...

13. Need info on File.lastModified() coderanch.com

14. Formatting the return value of: File(myFile).lastModified() forums.oracle.com

15. File.lastModified() is 2secods less forums.oracle.com

Hello, I have this issue for some files the returned last modified time is 2seconds less than what windows property popup shows on the respective file. Anyone has any idea how this is possible? Thanks, ionut Edited by: user6733576 on Oct 15, 2010 6:03 AM Edited by: user6733576 on Oct 15, 2010 6:11 AM

16. Alternative methods to Selector.selectNow() and File.lastModified() forums.oracle.com

17. Calculating age of a file in a directory using lastModified() forums.oracle.com

ArrayList fileListing = new ArrayList(); ArrayList dateTokens = new ArrayList(); // Get the directory listing File dir = new File(directoryName); if(dir.isDirectory()) { File[] files = dir.listFiles(); // traverse the directory for(File f: files) { // enter the directory listing into the ArrayList fileListing.add(f.getName()); } // end of for f // How many file in the directory directoryFiles = fileListing.size(); System.out.println("\n"directoryName" is ...

18. how to get LastModified time of a file and webserver file and compare..... forums.oracle.com

details : we have to check that which file is most recently updated .if database 's file is newer then we copy that file in to file system other wise we keep file system 's file as it is till database file is not updated so that we can put the latest data in cache(which is in file system ) so ...

19. how to get LastModified time of a file system file and webserver file forums.oracle.com

20. File.lastModified with folders forums.oracle.com

when i invoked the lastModified method on a certain folder and i tried to add or remove files from this folder,i was expecting to find the returned time by the method changed ,but it didn't change ,so does anybody know if this method works on folders too or just files? thanks in advance.