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Strategy pattern can be categorized as it's simple and powerful. It can be considered in a kind of scenario where your object would perform a common action and that's a choice of different options.

Let’s understand the widely accepted definition of strategy pattern which you can find from various resources on net. “Strategy pattern defines a family of algorithms, encapsulates each one of them and makes them interchangeable.” Confused with the definition? let’s try to break it in three parts:-

Family of Algorithms- The definition says that the pattern defines the family of algorithms- it means we have functionality (in these algorithms) which will do the same common thing for our object, but in different ways.
Encapsulate each one of them- The pattern would force you to place your algorithms in different classes (encapsulate them). Doing so would help us in selecting the appropriate algorithm for our object.
Make them interchangeable- The beauty with strategy pattern is we can select at run time which algorithm we should apply to our object and can replace them with one another

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