Structural Patterns

Proxy pattern is used to provide a surrogate or placeholder for another object to control access to it. Let’s learn in detail about this design pattern.   This article is a part of our design patterns tutorial.   Proxy Pattern’s Intent To provide a surrogate or placeholder for another object to control access to it. […]

Flyweight pattern is used to share for supporting large number of fine-grained objects efficiently. Let’s look at this design pattern in detail.   This article is a part of our design patterns tutorial.   Flyweight pattern’s Intent To use sharing for supporting large number of fine-grained objects efficiently.   Flyweight pattern’s Motivation Some programs require […]

Facade pattern provides a unified interface to a set of interfaces in a subsystem. Let’s learn in detail about this pattern along with Java sample code.   This article is a part of our design patterns tutorial.   Façade Pattern’s Intent Provide a unified interface to a set of interfaces in a subsystem. Façade defines […]

Decorator pattern is used to attach additional responsibilities to an object dynamically. Decorator provides an alternative to subclassing for extending the functionality.   This article is a part of our design patterns tutorial.   Decorator pattern’s Intent To attach additional responsibilities to an object dynamically. Decorator provides an alternative to subclassing for extending the functionality. […]

Composite pattern is used to compose objects into tree structures to represent part-whole hierarchies.   This article is a part of our design patterns tutorial.   Composite Pattern’s Intent To compose objects into tree structures to represent part-whole hierarchies. Composite pattern lets client treat individual objects and compositions of objects uniformly.   Composite Pattern’s Motivation […]