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: Does the JExcelAPI library contain any demos? A: JExcelAPI’s jexcelapi home directory contains a jxl.jar file that contains demos for reading, writing, and copying spreadsheets.

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.