Treffer: Open Data Structures (in Java)

I am grateful to Nima Hoda, who spent a summer tirelessly proofreading many of the chapters in this book, and to the students in the Fall 2011 offering of COMP2402/2002, who put up with the first draft of this book and spotted many typographic, grammatical, and factual errors in the first draft. Why This Book? There are plenty of books that teach introductory data structures. Some of them are very good. Most of them cost money, and the vast majority of computer science undergraduate students will shell-out at least some cash on a data structures book. Thereareafewfreedatastructuresbooksavailableonline. Someareverygood,but most of them are getting old. The majority of these books became free when the author and/or publisher decided to stop updating them. Updating these books is usually not