Learn how to make classes, attributes, and methods in this UML Class Diagram tutorial. There’s also in-depth training and examples on inheritance, aggregation, and composition relationships.
UML (or Unified Modeling Language) is a software engineering language that was developed to create a standard way of visualizing the design of a system. And UML Class Diagrams describe the structure of a system by showing the system’s classes and how they relate to one another.
This tutorial explains several characteristics of class diagrams. Within a class, there are attributes, methods, visibility, and data types. All of these components help identify a class and explain what it does.
There are also several different types of relationships that exist within UML Class Diagrams. Inheritance is when a child class (or subclass) takes on all the attributes and methods of the parent class (or superclass). Association is a very basic relationship where there’s no dependency. Aggregation is a relationship where the part can exist outside the whole. And finally, Composition is when a part cannot exist outside the whole. A class would be destroyed if the class it’s related to is destroyed.
Further UML Class Diagram information:
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Hello! Thank you for the great vid! I want to ask about, what if I have 2 users: A and B
A has Service
B does Booking
but, the detail of Service data, is on Booking.
can i do inherit Service from booking?
Thank you before!
It covers the whole topic
Awesome video
to be honest……. well well well done (Y) explaination and summary was great … if you would have left the background music at the end of this video away , i would be 100% satisfied
5 * one hour Lectures of my university in 10 minutes. Thanks LucidChart i'm a big fan
such clear and good content!
just perfect….great tutorial
Wow, You're good. Thank you !
thanks lucidchart. Love the video
great tuto
Great video.
Thanks !
Great Tutorial!
Very useful, really really thank you.
//Xatzigeorgiou se efxaristw, exw oi mizeroi apo dw
aggregation part is very useful for me , i want to thank you mister .
It was helpful. Thank you.
Fantastic tutorial on UML, as it pertains to making Class Diagrams! This was EXACTLY what I needed. Thanks so much.
Thank you so much
JUST LEARNED MY HOLE LECTURE IN 10 MINUTS
I have been scrolling papers 3 days in a raw and all I needed fits in a 10 min video! Thanks <3
Came across this by accident while trying to make diagrams on google slides… Thanks for the tutorial! This is great!
waaw this man did a great jobs
thank you so much.
I wish all advertising was like that 👍🏼
Very nice video, it clearly shows how UML is to be used properly. I learned many things here, however, I just want to ask a dumb question. You mentioned that Only 1 Order should have 1 Order Details. If that were the design, does this mean that you can only have 1 product per order? Does this design doesn't support multiple products per order? Please help me understand. Sorry, I might've mixed this up with Database Design.
Must be the most impressive 10 minute tutorial I've seen yet – perfectly paced – its an art –
Loved the class, thanks for the help
clear, fast and easy to understand. Thank you.
Guys u are Rock!