Former chapter 3 is broken into two new chapters, with current ch. 4 becoming 5 and so on. Earlier introduction to classes — now in Chapter 2 Earlier introduction to object-based problem solutions Comparison of object-based and procedural-based solutions, beginning in Chapter 3 Expanded coverage of challenging topics, including: Functions and parameter passing Bitwise operators I/O operators New discussion of platforms and tools including snapshots of code execution and error messages on a variety of platforms (Linux, OSX, .NET) Additional end-of-chapter exercises and new Problem Solving Applied applications