UML is an abbreviation for "Unified Modeling Language"

UML diagrams are only useful when coding Java or Python object$-$oriented systems

UML class diagrams are normally drawn as rectangles divided into three areas

UML class diagrams show the class name in the uppermost area of the diagram and methods in the lowest area

UML diagrams are normally created after the code of a system is developed

UML diagrams may contain multiple class diagrams showing relationships among classes in a system

creating UML diagrams for all software systems is a legal requirement

All the listed answers are true