UML is a modeling language for specifying, visualizing, constructing, and documenting the artifacts of a system-intensive process. This guide introduces you to the 9 standard diagrams in the UML 1.4 specification. These diagrams can be divided into two groups: Structural diagrams, which model the organization of the solution, and Behavioral diagrams, which model the functionality of the solution.

Structural Diagrams

• Class Diagram
• Object Diagram
• Component Diagram
• Deployment Diagram

Behavioral Diagrams

• Use Case Diagram
• Sequence Diagram
• Communication Diagram
• State Machine Diagram
• Activity Diagram