This is complete guide to File Handling in Java. The source code of this guide is well tested in our local development environment and code is analyzed with static code analyzer tools SonatLint, PMD etc. The source code from this guide is bug free and used JDK 8 to compile and execute the source code.

Java I/O Basics

• Overview of Java I/O
• Java I/O Byte Streams
• Java I/O Character Streams
• Java I/O Buffered Streams
• Java I/O Object Streams
• Java I/O Data Streams

File Handling Examples

List of the File examples to show the use of Java I/O to create, read, write, modify file and get the file’s information.

• Create File
• Write File
• Delete File
• Copy File
• Move File
• Rename File
• Append to File
• Read File using BufferReader
• Read File using BufferInputStream
• Read File using DataInputStream
• Get File Size in Bytes KB MB GB TB

File Serialization Examples

• How to write an Object to file in Java
• How to Read Object from File

File Compression Examples

• Compress Files in ZIP format in Java
• Decompress Files from a ZIP file in Java

Directory

List of the directory manipulation examples.

• Get the current working directory
• Create directory
• Delete directory
• Copy directory
• Traverse /List a directory structure
• Check if directory is empty

File Utilities

• Java File Utility Class
• Java Zip Utility Class
• Top File Utility Methods

Java I/O Reference

• https://docs.oracle.com/javase/tutorial/essential/io/index.html
• https://docs.oracle.com/javase/8/docs/api/java/io/package-tree.html

GitHub Repository

• https://github.com/RameshMF/java-io-guide