This article focuses on tasks that application programmers are likely to encounter, particularly in web applications, such as reading and writing text files, reading text, images, JSON from the web, and more.

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Highlights common I/O tasks in modern Java, including reading and writing text files, handling directories and ZIP files, and creating temporary files. Emphasizes API improvements since Java 8 such as UTF-8 default encoding and enhancements to classes like java.nio.file.Files. Provides practical code examples for various tasks and advises against using outdated classes like java.io.File.

Common I/O Tasks in Modern Java