I have a set of files in a folder, and all of them starting with a similar name, except one. Here is an example: I am able to list all the files from the specified folder, but the list is not in an ascending order of the spectrum number. Example: I get the following result when the program is executed:
Tag: file
Java 7 WatchService – Ignoring multiple occurrences of the same event
The javadoc for StandardWatchEventKinds.ENTRY_MODIFY says: Directory entry modified. When a directory is registered for this event then the WatchKey is queued when it is observed that an entry in the directory has been modified. The event count for this event is 1 or greater. When you edit the content of a fi…
Using BufferedReader to read Text File
I’m having problems with using the BufferedReader I want to print the 6 lines of a text file: Now from what I can gather every time I call the readLine() method it automatically advances to the next line. So I can’t use the condition br.readLine() != null since it’ll already advance it one l…
How to create my own file extension like .odt or .doc? [closed]
It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 10 years ago. The community revie…
Setting file permissions returns FALSE always
The code: On Ubuntu all 3 calls return false. On my Windows only the 3rd call to setWritable returns false. The target is to create the file/dir so the user (tomcat) and the group will be able to read/write. BUT the file created on Ubuntu without permissions for the group to write. Answer I found the solution…
Delete all files with an extension using Java
I’m (relatively) new to Java and I’m trying to implement a .jar that runs a list of commands that in Windows XP’s command prompt it would be: My (failed) attempt: I screwed somewhere around that “get(i)”, but I think I’m pretty close to my goal now. I ask for your help and …
Android : How to read file in bytes?
I am trying to get file content in bytes in Android application. I have get the file in SD card now want to get the selected file in bytes. I googled but no such success. Please help Below is the code to get files with extension. Through this i get files and show in spinner. On file selection I want
Most efficient way to check if a file is empty in Java on Windows
I am trying to check if a log file is empty (meaning no errors) or not, in Java, on Windows. I have tried using 2 methods so far. Method 1 (Failure) Method 2 (Failure) Now both these methods fail at times when the log file is empty (has no content), yet the file size is not zero (2 bytes). What
Eclipse – Show generated class files
How can I show the folder (bin) where my class files are placed after I build a project in eclipse? I want this directory to show up in the package explorer. Searched the forums, but can’t seem to find an answer Answer You can view the the bin folders in the Navigator (Window –> Show View ̵…
Access file in jar file?
I need to be able to access a file stored in a compiled jar file. I have figured out how to add the file to the project, but how would I reference it in the code? How might I copy a file from the jar file to a location on the user’s hard drive? I know there are dozens of