Avoid Instanceof Checks With Visitor Pattern.
Avoid combining Visitor pattern with instanceof checks, it breaks separation and leads to fragile design. Use polymorphism instead, favor encapsulation and keep code clean & maintainable.
Don't knock. You are accepted TL;DR: Avoid combining the Visitor pattern with instanceof checks. Problems 😔 Open/Closed principle violation Tight Coupling Maintainability Code duplication Poor readability Brittle design IFs Solutions 😃 Implement the Visitor pattern correctly. Avoid instanceof checks. Favor polymorphism. Encapsulate behavior. Context 💬 When you use the Visitor pattern, you aim to separate algorithms from the objects they operate on. Combining it with instanceof checks breaks this separation, leading to a fragile and hard-to-maintain design....