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.

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: ...

Open your Java software development kit and start a new project. Depending upon which software development kit you use, the exact steps will be different. Generally, locate "New" in the File menu.