Introduction to UML Diagrams & Major UML 2.0 Diagrams

Introduction to UML Diagrams

• The objective of the Unified Modeling Language is to provide a common vocabulary of object-based terms and diagramming techniques that is rich enough to model any systems development project from analysis to design.
• The current version of UML, version 2.0
• Two types:-
• Structure diagrams - representing the data and static relationships
• Behavior diagrams - depict the dynamic relation-ships among the instances or objects

Major UML 2.0 Diagrams

Four Fundamental UML Diagrams

• Use Case Diagram
• Capture business requirements for the system
• Illustrate the interaction between the system and its environment
• Class Diagram
• Illustrate the relationships between classes modeled in the system
• Sequence Diagram
• Model the behavior of objects within a use case
• Focuses on the time-based ordering of an activity
• State Machine Diagram
• Examine the behavior of one class