Design Patterns Demonstrates How Software Developers Can Improve The Performance, Maintainability, Portability, And Scalability Of Their Code Through The Use Of The Gang Of Four Design Patterns. After A Discussion Of Patterns Methodology, Reasons For Using Design Patterns, The Book Delves Into Each Of The 23 Patterns. Each Pattern Section Gives A Detailed Description Of The Pattern, Refactored From Either Boolean Logic Or Simpler, Less-Maintainable Code That You Might Encounter In The Real World, And Shows Readers How To Use The Pattern In Their Code. The Text Walks Readers Through Making The...