How to implement Strategy Design Pattern in Java? (with Real World Example, Pros and Cons)
Strategy Design pattern is one of most useful versatile pattern, you will often see used in Object Oriented design. This pattern is one of the behavioral pattern mentioned by famous Gang of Four in there design pattern classics Elements of Reusable Design Pattern is Software development. As per definition goes, Strategy pattern allows you to encapsulate a set of algorithms and make them interchangeable. The best thing about Strategy pattern is that it allows you to pass a dynamic code to a method much like Lambda expression. In fact, it was one of the way to achieve same effect prior to Java 8. Also, there are multiple example of Strategy Pattern in JDK itself like Comparator and Comparable are the best example of Strategy Pattern in Java.
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