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?

“Reading and writing files” is a frequently used operation in software development, and increasing speed greatly affects the performance of the entire software. When a user executes a program ...