I need help in Use case diagram and class diagrams using UML. i will provide more details in the chat.
I need help to Create a security model for protecting in class information, using UML. i will provide more details in the chat.
I want someone who is expert in UML. who know all the types of UML diagrams (ERD, State machine diagram, class diagram ect....) and how to draw them. i am building a system and i need to draw teh UML diagrams but i do not know how to start .