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Design patterns are typical solutions to common problems in software design. They represent best practices used by experienced object-oriented software developers. Categories of Design Patterns Creational Patterns These patterns abstract the instantiation process, focusing on how objects are created in a flexible and reusable manner. Factory M ...

Behavioral patterns define how objects interact and ditsribute responsibilities. The Strategy pattern encapsulates algorithms within interchangeable objects, enabling runtime selection of difefrent behaviors. Pattern Components The Strategy pattern consists of three core elements: Strategy Interface: Defines the common contract for all algorit ...

The Chain of Responsibility pattern is a behavioral design pattern that decouples the sender of a request from its receiver by giving multiple objects a chance to handle the request. These objects are linked into a chain, and the request travels along this chain until one of the handlers processes it. This approach allows you to add or modify h ...

5.6 Composite Pattern 5.6.1 Overview This image is very familiar, and the above diagram can be seen as a file system. This kind of structure is called a tree structure. In a tree structure, you can call a method to traverse the entire tree, and when you find a leaf node, you can perform relevant operations on the leaf node. You can think of thi ...

Ovevriew The Interpreter pattern is a behavioral design pattern that defines a grammatical representation for a language and provides an interpreter to handle this grammar. It's particularly useful when you need to evaluate sentences or expressions in a specific language. When to Use The Interpreter pattern is most effective in the following si ...

Chain of Responsibility Pattern The Chain of Responsibility pattern decouples request senders from receivers by passing requests along a chain of handlers. Each handler either processes the request or forwards it to the next handler in the chain. This pattern is useful for scenarios like approval workflows, logging systems, or HTTP interceptors ...