Object-Oriented Thought Process, The, Second Edition

Types of Design Patterns

Design Patterns features 23 patterns grouped into the three categories listed below. Most of the examples are written in C++, with some written in Smalltalk. The time of the book's publication is indicative of the use of C++ and Smalltalk. The publication date of 1995 was right at the cusp of the Internet revolution and the corresponding popularity of the Java programming language. After the benefit of design patterns became apparent, many other books rushed in to fill the newly created market. Many of these later books were written in Java.

In any event, the actual language used is irrelevant. Design Patterns is inherently a design book, and the patterns can be implemented in any number of languages. The authors of the ...