Builder Pattern

Definitions

1. A creational design pattern that constructs complex objects step by step through a fluent API, separating construction from representation. Especially useful when objects have many optional parameters (avoiding telescoping constructors). Common in query builders, HTTP request builders, and configuration objects.

   In plain English: Building complex objects step by step with method chaining, instead of passing dozens of parameters to a constructor.

   Example: "QueryBuilder.select("name").from("users").where("active", true).orderBy("created").limit(10) — the builder pattern makes complex queries readable."

Related Terms

• Hexagonal Architecture
• Factory Pattern
• Observer Pattern
• Strategy Pattern
• Adapter Pattern
• Repository Pattern
• Clean Architecture
• Abstract Class