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What is the primary focus of 'Object Lessons'?
In-depth analysis of object-oriented programming
Cross-disciplinary problem solving
Perspective on software development methodologies
Advanced programming techniques
The correct answer is: Perspective on software development methodologies
"Object Lessons" is a book that provides a perspective on software development methodologies. This means it discusses the overall approach and strategies for software development, rather than focusing specifically on programming techniques or object-oriented programming. Option A is incorrect because the book is not solely focused on object-oriented programming, but rather on a broader perspective. Option B is incorrect because it does not specifically address cross-disciplinary problem solving. Option D is incorrect because it does not mention any specific focus on advanced programming techniques.