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The Java I/O API

Java I/O is a set of classes that give access to external resources including file systems and the network.

This tutorial will guide you through the Java I/O API, presenting the basic notions you need to understand in order to start writing Java code that takes advantage of the API.

  1. Understanding the Main Java I/O Concepts

    Introducing the Java I/O API: files, paths, streams of characters and streams of bytes.

  2. File System Basics

    Working with the file system: working with files and paths, working with directories, getting file metadata.

  3. File Operations Basics

    Writing and reading files: getting to know the difference between text files and binary files.

  4. Putting it All Together

    A complex use case to use all the Java I/O structures and decorations.