C4 model - Code clue

Students Enrollment Class Diagram 

Car and Driver Class Diagram 

ATM System Class Diagrams 

Database Class Diagram 

Article Manager Class Diagram 

Order And Payment Class Diagram 

Class Diagram Example: A Star-Based LAN 

GoF Design Patterns - Decorator 

GoF Design Patterns - Observer 

UML Class Diagram Example: Phone Book 

Telephone (Use of Association) Class Diagram Example 

GoF Design Patterns - Abstract Factory 

UML Class Diagram: Ticket Selling 

Class Diagram Realization Example 

Class Diagram Example: Company Structure 

Class Diagram Composition Example 

UML Class Diagram Example: Car 

Class Diagram Association Example 

UML Class Diagram for Self Association 

Class Diagram Aggregation Example 

GoF Design Patterns - Singleton 

Class Diagram Example: File Output (Use of Generalization) 

GoF Design Patterns - Interpreter 

GoF Design Patterns - Proxy 

GoF Design Patterns - Template Method 

GoF Design Patterns - Visitor 

Class Diagram Inheritance Example 

Class Diagram GUI Example 

Order Processing Class Diagram Example 

GoF Design Patterns - Factory Method 

UML Class Diagram: Association Class and Self Association 

GoF Design Patterns - Memento 

GoF Design Patterns - Strategy 

Class Diagram: Auctioneer and Bidder 

Class Diagram Example: A Token-Ring Based LAN 

GoF Design Patterns - Chain of Responsibility 

GoF Design Patterns - Flyweight 

Class Diagram - Classes and packages Constraints 

GoF Design Patterns - Composite 

GoF Design Patterns - Bridge 

GoF Design Patterns - Facade 

GoF Design Patterns - State 

GoF Design Patterns - Command 

Class Diagram Dependency Example 

GoF Design Patterns - Mediator 

GoF Design Patterns - Adapter 

GoF Design Patterns - Builder 

GoF Design Patterns - Iterator