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Composite pattern is used where we need to treat a group of objects as a single object. This pattern comes under structural pattern

#mediator

Mediator pattern is used to reduce communication complexity between multiple objects or classes. It falls under behavioral pattern.

#template

In Template pattern, an abstract class exposes defined way(s)/template(s) to execute its methods. This pattern comes under behavior pattern

#proxypattern

In proxy pattern, a class represents functionality of another class. This type of design pattern comes under structural pattern.

#statepattern

In State pattern a class behavior changes based on its state. This type of design pattern comes under behavior pattern.

#frontcontroller

Front controller design pattern is used to provide a centralized request handling mechanism so that all requests will be handled

#visitorpattern

In Visitor pattern, we use a visitor class that changes the executing algorithm of an element class. This comes under behavior pattern.

Filter pattern is that enables developers to filter a set of objects using different criteria and chaining them in decoupled way.

#factory #pattern

Factory pattern is one of the most used design patterns in Java. This type of design pattern comes under creational pattern

As the name suggests, the chain of responsibility pattern creates a chain of receiver objects for a request.

Intercepting filter design pattern is used when we want to do some pre-processing/post-processing with request/response of the application.

#Interpreter https://www.techlearnbeginner.com/design-patterns/interpreter-pattern/

Memento pattern is used to restore state of an object to a previous state. Memento pattern falls under behavioral pattern category.

#transfer

The Transfer Object pattern is used when we want to pass data with multiple attributes in one shot from client to server.

Prototype

Prototype pattern refers to creating a duplicate object while keeping performance in mind. This type of pattern comes under creational patte

Command pattern is a data-driven design pattern and falls under behavioral patterns. A request is wrapped under an object as command.

#observer pattern

Observer pattern is used when there is one-to-many relationship between objects such as if one object is modified,

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