Builder

The Builder design pattern separates the construction of a complex object from its representation so that the same construction process can create different representations. Frequency of use:

Usage          Medium-low

UML class diagram

A visualization of the classes and objects participating in this pattern.

Sample code

This structural code demonstrates the Builder pattern in which complex objects are created in a step-by-step fashion. The construction process can create different object representations and provides a high level of control over the assembly of the objects.

Output

See also

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• Common Design Patterns
• Design Guidelines
• Documentation