On a Sequence Diagram, a Lateral Bar or Vertical Rectangle

question 20

Multiple Choice

On a sequence diagram, a lateral bar or vertical rectangle is used to represent:

• A) messages sent between classes.
• B) the time sequence of activities.
• C) the focus of control, when an object is busy doing things.
• D) the lifeline for the class or object.

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Definitions:

Case Study Method

A research approach that involves the in-depth investigation of a single case, event, or individual to explore causation and find underlying principles.

In-depth Investigation

A thorough and detailed examination or research focused on a specific topic or issue.

Descriptive/Correlational Research Methods

Research strategies for observing and describing behavior objectively and systematically without influencing or interfering with the study.

Practical and Ethical Reasons

Justifications or motives for actions that are based on practicality, effectiveness, and alignment with moral principles.