Coming straight to the point, which is the use of Strategy Design pattern in e-commerce applications. But wait, first, let us know what is strategy pattern.
Tutorialspoint.com’s definition of the strategy pattern
In a strategy pattern, a class behavior or its algorithm can be changed at run time. This type of design pattern comes under behavior pattern. In strategy pattern, we create objects which represent various strategies and a context object whose behavior varies as per its strategy object. The strategy object changes the executing algorithm of the context object.
Coming to the implementation of strategy pattern in e-commerce.