The product is a textbook titled "Design Patterns: Elements of Reusable Object-Oriented Software" by authors John Vlissides, Ralph Johnson, Richard Helm, and Erich Gamma. Published in 1994 by Addison-Wesley Professional, this hardcover book is part of the Addison-Wesley Professional Computing Series. It covers the subject areas of Programming/Object Oriented and Computer Vision & Pattern Recognition, providing 416 pages of valuable insights and information on design patterns in the field of computer science. The book offers a comprehensive exploration of reusable object-oriented software design patterns, making it a valuable resource for students and professionals alike.
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