The java.io package exposes a number of classes and interfaces that provide useful abstractions on top of the character and byte reading and writing operations defined by InputStream and OutputStream.

Welcome to the Java 101 study guide. This guide complements " Packages Organize Classes and Interfaces." It provides a glossary of terms specific to that article, tips and cautions, new homework ...

Create packages, import packaged classes and interfaces into your programs, move packages, and encapsulate them in jar files.