Software Design and Architecture
Object Oriented Design UML Diagram
Different type of UML diagram (Sequence, State etc.) Given a description of new functionality and an updated diffferent type of UML diagram, you will implement the updated design if needed.
Renters Renting Cars UML class diagram:
UML Class Diagram (High Level) 
Design Structure UML Class Diagram:
UML Class Diagram 
UML Sequence Diagram (Booking Flight)
UML Sequence Diagram 
UML State Diagram
UML State Diagram for Flight 
UML State Diagram for Item 