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The Template Method Pattern is a behavioral design pattern that defines the skeleton of an algorithm in a method, allowing subclasses to alter specific steps of the algorithm without changing its structure. This pattern is crucial in situations where the overall algorithm remains consistent, but certain details may vary across different implementations. Key Components Abstract …
The Strategy Pattern is a behavioral design pattern that enables selecting an algorithm or behavior at runtime by encapsulating a family of interchangeable algorithms into separate classes. It allows a client to choose the appropriate algorithm dynamically, promoting flexibility and adherence to the Open/Closed Principle. This pattern is particularly useful when you need to switch …
The State Pattern is a behavioral design pattern that allows an object to alter its behavior when its internal state changes. This pattern is particularly useful when an object’s behavior depends on its state and changes dynamically based on internal conditions. At its core, the State Pattern enables an object to delegate state-specific behavior to …
The Observer Pattern is a behavioral design pattern that defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. This pattern is widely used in software development to build loosely coupled systems where changes in one part of the system trigger actions or updates …
The Memento Pattern is a behavioral design pattern that allows an object to capture and store its current state so it can be restored later without violating encapsulation. This pattern is particularly useful when implementing features like undo/redo operations, where the state of an object needs to be preserved and restored at various points in …
The Mediator Pattern is a behavioral design pattern that facilitates communication between objects in a software system. It centralizes complex communications and control logic between related objects, promoting loose coupling and making it easier to modify their interactions independently. In a typical software system, objects often need to communicate with each other to accomplish tasks. …
The Iterator Pattern is a behavioral design pattern that provides a way to access the elements of an aggregate object sequentially without exposing its underlying representation. This pattern is particularly useful when you need to traverse through a collection of objects, such as lists or arrays, in a uniform way. Important Components Iterator: An interface …
The Interpreter Pattern is a behavioral design pattern that defines a way to evaluate sentences or expressions in a language. It falls under the category of behavioral patterns because it addresses how objects and classes interact and distribute responsibilities. This pattern involves creating an interpreter to interpret sentences in a particular language. The Interpreter Pattern …
The Command Pattern is a behavioral design pattern that turns a request into a stand-alone object that contains all information about the request. This transformation allows for the parameterization of methods with different requests, the queuing or logging of requests, and the support for undoable operations. The Command Pattern is a behavioral design pattern that …
The Chain of Responsibility (CoR) pattern is a behavioral design pattern that allows an object to send a command without knowing which object will handle the request. Instead of directly coupling the sender of a request to its receiver, the pattern chains the receiving objects and passes the request along the chain until an object …
