Tag: Design patterns

According to open-close principle, code should be open for extensions but closed for modifications. In other words, you should avoid modifying production code unless it's really necessary. A proxy design pattern is one of the solutions to this problem.

Fluent builder is a well-known design pattern that helps to build objects of a given type. It makes code more readable and maintainable thanks to method chaining. The problem occurs when you try to extend the functionality of the existing builder using inheritance.