New life of old Visitor design pattern

Introduction Visitor [1, 2] is a widely known classical design pattern. There are a lot of resources that explain it in…

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Two ways to extend enum functionality

Preface In my previous article I explained how and why to use enums instead of switch/case control structure in Java…

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Featured enum instead of switch

Problem and  its solution Switch/case is the common control structure implemented in most imperative programming languages. Switch is considered more…

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