The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the I/O classes ...

Q: I’ve been asked to extend my company’s Java-based spreadsheet software to read and write Excel spreadsheets. Can you recommend an open source Java library that will help me with this task?

Java 23, now generally available, includes previews of module import declarations, stream gatherers, structured concurrency, scoped values, and a class-file API. And much more.