Delete file using Java IO API : File Commands « File Input Output « Java






Delete file using Java IO API

import java.io.File; publicclass Delete { publicstaticvoid main(String[] args) { String fileName = "file.txt"; // A File object to represent the filename File f = newFile(fileName); // Make sure the file or directory exists and isn't write protected if (!f.exists()) thrownew IllegalArgumentException( "Delete: no such file or directory: " + fileName); if (!f.canWrite()) thrownew IllegalArgumentException("Delete: write protected: " + fileName); // If it is a directory, make sure it is empty if (f.isDirectory()) { String[] files = f.list(); if (files.length > 0) thrownew IllegalArgumentException( "Delete: directory not empty: " + fileName); } // Attempt to delete it boolean success = f.delete(); if (!success) thrownew IllegalArgumentException("Delete: deletion failed"); } } 








Related examples in the same category

1.Touch: set File Last Modified Time
2.File Copy in Java with NIO
3.File Copy in Java
4.Counts words in a file, outputs results in sorted form
5.Copying a file using channels and buffers
6.Copy files using Java IO APICopy files using Java IO API
7.Mimic the Unix Grep command
8.Grep tools
9.BGrep: a regular expression search utility, like Unix grep
10.File concatenation
11.Compress files using the Java ZIP API
12.Undent - remove leading spaces
13.TeePrintStream tees all PrintStream operations into a file, rather like the UNIX tee(1) command
14.Delete a file from within Java, with error handling
15.DirTree - directory lister, like UNIX ls or DOS and VMS dirDirTree - directory lister, like UNIX ls or DOS and VMS dir
16.Program to empty a directory
17.Report on a file's status in Java
18.Simple directory lister
19.Readonly Files
20.List root directoryList root directory
21.Rename a file in Java
22.FNFilter - directory lister using FilenameFilter
23.mkdir examples
24.Program to remove files matching a name in a directory
25.Ls directory lister modified to use FilenameFilterLs directory lister modified to use FilenameFilter
26.Move a File
27.Word Count
28.Diff: text file difference utility.Diff: text file difference utility.
29.Count chars in a File
30.Move File
31.Get file date and time
32.Return readable file size with selected value measure
33.Move a file
34.File Compressor
35.Recursive Delete File
36.Read number of lines from a File
37.Copy and overwrite files
close