This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

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.

Interested in how to write a Java screen scraper application with HtmlUnit instead of JSoup? Here's a screen scraper example to help you get started with content aggregation.