Which relationship is illustrated by a line that begins with an unfilled diamond?

Which one of the following statements is true about sequence diagrams?

+ is the visibility code for?

Which one of the following is displayed below the class name in the class diagrams?

___ are used in class diagrams to describe the way in which specific elements should be used.

In a class diagram the class is divided into three sections, what is displayed in the first section?

UML stands for?

Which one among the following means tight coupling ?

Which one of the following is know as the key to object-oriented programming ?

Polymorphism is also know as…