Classifier (UML)

In Unified Modeling Language (UML), a **Classifier** is a fundamental concept that represents a general kind of thing in the model. Classifiers are used to define the structure and behavior of a system. They can encapsulate attributes (data) and operations (methods), and they are an essential part of object-oriented design. ### Types of Classifiers in UML 1. **Class**: The most common type of classifier.