layout	title	folder	permalink	categories	tags
pattern	Twin	twin	/patterns/twin/	Structural	Extensibility

Intent

Twin pattern is a design pattern which provides a standard solution to simulate multiple inheritance in java

Class diagram

Applicability

Use the Twin idiom when

• To simulate multiple inheritance in a language that does not support this feature.
• To avoid certain problems of multiple inheritance such as name clashes.

Credits

• Twin – A Design Pattern for Modeling Multiple Inheritance