java-design-patterns/double-dispatch/index.md

layout, title, folder, categories, tags

layout	title	folder	categories	tags
pattern	Double Dispatch	double-dispatch	pattern_cat	pattern_tag

Intent: Double Dispatch pattern is a way to create maintainable dynamic behavior based on receiver and parameter types.

Applicability: Use the Double Dispatch pattern when

• the dynamic behavior is not defined only based on receiving object's type but also on the receiving method's parameter type.

Real world examples:

• ObjectOutputStream