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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This post covers common I/O tasks in modern Java, especially in web applications. It discusses reading and writing text files, working with ZIP files, creating temporary files or directories, and highlights the significant API improvements since Java 8. Key points include the default shift to UTF-8 in Java 18, and the obsolescence of certain older classes like java.io.File in favor of java.nio.file.Files and other newer classes.

Common I/O Tasks in Modern Java