Files Tutorials

1. How do I write a String to a File?
2. How do I read a String from a File?
3. How do I write a JavaBean to an XML file using JOX?
4. How do I read a JavaBean from an XML file using JOX?
5. How do I write a JavaBean to an XML file using XMLEncoder?
6. How do I read a JavaBean from an XML file using XMLDecoder?
7. How do I write to an Excel file using POI?
8. How do I read from an Excel file using POI?
9. How do I write to a PDF file using iText?
10. How do I read a properties file?
11. How do I write a properties file?
12. How do I read properties from an XML file?
13. How do I write properties to an XML file?
14. How do I read a String from a File line-by-line?
15. How do I read a properties file with a Resource Bundle?
16. How do I display the contents of a zip file?
17. How do I unzip the contents of a zip file?
18. How can I create a zip file from a set of files?
19. How can I create an uncompressed zip file from a set of files?
20. What's the difference between a file's path, absolute path, and canonical path?
21. How do I get a URL or URI to a file?
22. How do I display the contents of a directory?
23. How do I use a FileFilter to display only the directories within a directory?
24. How do I use a FilenameFilter to display a subset of files in a directory?
25. How do I recursively display all files and directories in a directory?
26. How do I zip a directory and all its contents?
27. How do I deflate and inflate a file?
28. How do I compress and uncompress a gzip file?
29. How do I write the contents of a file to standard output?
30. How do I write an object to a file and read it back?
31. How do I redirect standard output to a file?
32. How do I redirect standard error to a file?
33. How do I generate an MD5 digest for a file?
34. How do I encrypt and decrypt files using DES?
35. How do I use a SequenceInputStream to connect several FileInputStreams?
36. How do I alphabetically sort the lines of a file?
37. How do I write a String to a File using Commons IO?
38. How do I read a String from a File using Commons IO?
39. How do I get a List of the lines in a File using Commons IO?
40. How do I get a List of the lines in a File using Commons IO and alphabetize them?
41. How do I determine the size of a directory?
42. How do I display a cleanly formatted file size?
43. How do I perform a touch on a file?
44. How do I get all files in a directory including subdirectories using Commons IO?
45. How do I get all files with certain extensions in a directory including subdirectories?
46. How do I determine the free space on a drive?
47. What's a quick way to tell if the contents of two files are identical or not?
48. How do I copy a file?
49. How do I copy a file to a directory?
50. How do I move a file?
51. How do I move a file to a directory?
52. How do I filter files based on their last-modified dates?
53. How do I get the directories in a directory using a filter?
54. How do I select files to a particular depth in a directory?
55. How do I get the files in a directory using a filter?
56. How do I get the hidden or visible files in a directory using a filter?
57. How do I sort an array of files according to their last modified dates?
58. How do I sort an array of files according to their names?
59. How do I get an array of files based on a file prefix?
60. How do I get an array of files based on a regular expression?
61. How do I sort an array of files according to their sizes?
62. How do I get an array of files based on a file suffix?