UML
UML (Unified Modeling Language) is a standardized modeling language used in software engineering to visualize, specify, construct, and document the artifacts of a software system. It provides a set of graphical notation techniques to create abstract models of systems, including structure diagrams (e.g., class diagrams) and behavior diagrams (e.g., sequence diagrams). UML helps developers and stakeholders communicate system designs and requirements effectively.
Developers should learn UML to improve software design, documentation, and team collaboration, especially in complex or large-scale projects where clear communication of architecture and processes is critical. It is commonly used in object-oriented design, system analysis, and agile methodologies to create blueprints before implementation, reducing errors and ensuring alignment with requirements. UML is valuable in industries like enterprise software, embedded systems, and when working with tools that support model-driven development.