Added PIE Java project link.

Author: jwasham

README.md

@@ -280,7 +280,9 @@ This is a shorter list than what I used. This is abbreviated to save you time.
 If you have tons of extra time:
 
 - [ ] [Elements of Programming Interviews (C++ version)](https://www.amazon.com/Elements-Programming-Interviews-Insiders-Guide/dp/1479274836)
-- [ ] [Elements of Programming Interviews (Java version)](https://www.amazon.com/Elements-Programming-Interviews-Java-Insiders/dp/1517435803/)
+- [ ] Elements of Programming Interviews (Java version)
+    - [book](https://www.amazon.com/Elements-Programming-Interviews-Java-Insiders/dp/1517435803/)
+    - [Companion Project - Method Stub and Test Cases for Every Problem in the Book](https://github.com/gardncl/elements-of-programming-interviews)
 
 ### Computer Architecture