Contains the mavenized code examples from Princeton's Introduction to Programming in Java.
http://introcs.cs.princeton.edu/java/
You can use the following dependency in your pom.xml to include the standard I/O classes:
<dependency>
<groupId>com.github.fracpete</groupId>
<artifactId>princeton-java-stdlib</artifactId>
<version>1.0.3</version>
</dependency>