A: You might want to check out JExcelAPI, which is a mature, Java-based open source library that lets you read, write, and modify Excel spreadsheets. Here are a few of its many features: ...

Java's I/O streams provide standardized ways to read and write data. Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream.

You can even control the type of language encoding Excel uses when reading the file, if your information deals with international names or titles. Use Java's FileWriter classes to create UTF-8 ...