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. Proxy Pattern’s Intent To provide a surrogate or placeholder for another object to control access to it. Also Known As Surrogate Proxy Pattern’s Motivation Sometimes we […]
Flyweight pattern is used to share for supporting large number of fine-grained objects efficiently. Let’s look at this design pattern in detail. Flyweight pattern’s Intent To use sharing for supporting large number of fine-grained objects efficiently. Flyweight pattern’s Motivation Some programs require a large number of objects that have some shared state among […]
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. Façade Pattern’s Intent Provide a unified interface to a set of interfaces in a subsystem. Façade defines a higher-level interface that makes the subsystem easier to use. […]
Decorator pattern is used to attach additional responsibilities to an object dynamically. Decorator provides an alternative to subclassing for extending the functionality. Decorator pattern’s Intent To attach additional responsibilities to an object dynamically. Decorator provides an alternative to subclassing for extending the functionality. Also Known As Wrapper Decorator pattern’s Motivation Extending an […]
Composite pattern is used to compose objects into tree structures to represent part-whole hierarchies. 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 There are times when a program needs to manipulate a tree […]