Similar to ギャング・オブ・フォー_(情報工学)

Russian annexation of Donetsk, Kherson, Luhansk and Zaporizhzhia oblasts

Robert's Quartet

Tetrad (music)

Template:Design patterns

Abstract factory pattern

Adapter pattern

Builder pattern

Command pattern

Composite pattern

Decorator pattern

Facade pattern

Factory method pattern

Flyweight pattern

Iterator pattern

Memento pattern

Observer pattern

Prototype pattern

Singleton pattern

State pattern

Template method pattern

Entity component system

Data access object

Data transfer object

Model–view–controller

Model–view–viewmodel

Resource acquisition is initialization