major changes to this Fourth Edition include an earlier introduction to UML, a new section on inter-file communication in Chapter 13, and a revised approach to software development in Chapter 16.
Introducing the UML at the beginning allows the use of UML diagrams where they fit naturally with topics in the text, so there are many new UML diagrams throughout the book. The section on inter-file communication gathers together many concepts that were previously scattered throughout the book. The industry’s approach to object-oriented analysis and design has evolved since the last edition, and accordingly we’ve modified the chapter on this topic to reflect recent developments.
C++ itself has changed very little since the last edition. However, besides the revisions just mentioned, we’ve made many smaller changes to clarify existing topics and correct typos and inaccuracies in the text.
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