What the factory method pattern is
The factory method pattern is a software design pattern that provides a way to create objects while letting subclasses decide which specific type of object to create. Instead of calling a constructor directly to make an object, code calls a special method - the factory method - whose job is to produce the object. This adds a layer of flexibility to how objects are created.
Deferring the choice of class
The central idea of the factory method is that the decision about exactly which kind of object to create can be deferred to subclasses. A general method defines that an object will be created, but subclasses can override it to determine the precise type. This means the code that uses the factory method does not have to know in advance which concrete class it will get.
Why the pattern helps
The factory method pattern helps by separating the code that uses objects from the code that decides how to create them. This makes it easier to introduce new types of objects without changing the code that relies on them, since the creation logic lives in one place that can be adjusted or extended. The result is software that is more flexible and easier to extend.
Creation patterns
The factory method is one of several patterns that deal with how objects are created, sometimes called creational patterns. These patterns exist because directly constructing objects everywhere can make code rigid and hard to change. By routing object creation through a dedicated method, the factory method gives a system more control over what gets built and when.
Factory method among design patterns
Like other design patterns, the factory method provides a named, reusable solution to a common problem - in this case, flexible object creation. Referring to it by name gives developers a shared vocabulary for a familiar technique. Recognizing the factory method helps when reading and designing software that needs to create objects in a controlled, extensible way.
Why it matters
The factory method pattern is a classic design pattern for object creation. Understanding what it is - defining a method for creating objects while letting subclasses decide the exact type - clarifies a common approach to writing flexible, extensible code. For anyone studying software design, it is a valuable pattern that appears in many real systems.
Related on Skillo
See also: What is a design pattern? Explained, What is object-oriented programming? Explained.
Sources
Published date reflects the original event date (2025-01-14). This article is original Skillo editorial written from the sources above; facts were verified in September 2026.
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