Internet of Things

162 Internet of Things

What Are Constraints?

Constraints are like new conditions that we can add to our diagrams. For example: “the balance

must be above $20”. We can utilize this constraint to control when a checking account must be

ended the bank’s system.

Tools to Draw UML Diagrams

To drawing eective UML diagrams that could document software, processes, or systems, you

will be needing the right tools. There are various software documentation utilities and tools

available that could help you to draw an eective UML diagram. We can divide such tools into

three dierent categories:

Pen and Paper

Nothing gets simpler than an ordinary pen and paper ...