What is combined fragment in sequence diagram?
What is combined fragment in sequence diagram?
In sequence diagrams, combined fragments are logical groupings, represented by a rectangle, which contain the conditional structures that affect the flow of messages. A combined fragment contains interaction operands and is defined by the interaction operator.
What are 4 patterns of communication in UML?
UML has four types of interaction diagrams as show in the Figure below: Sequence diagram. Communication diagram. Interaction overview diagram.
What is Alt and opt in sequence diagram?
alt is used to describe alternative scenarios of a workflow. Only one of the options will be executed. opt is used to describe optional step in workflow. For example, for online shop purchase sequence diagram you may use opt to describe how user can add gift wrapping if she wishes.
What are the two major groupings of UML diagrams?
So what are the different UML diagram types? There are two main categories; structure diagrams and behavioral diagrams. Click on the links to learn more about a specific diagram type.
What is combination fragment?
Combined fragment is an interaction fragment which defines a combination (expression) of interaction fragments. A combined fragment is defined by an interaction operator and corresponding interaction operands.
What is an interaction fragment?
An interaction fragment allows you to group related messages in a sequence diagram. Various predefined fragment types are available allowing you to specify alternate outcomes, parallel messages, or looping. An interaction fragment can be created in the following diagrams: Sequence Diagram.
Which terms are combined in interaction diagram?
| Q. | . Interaction Diagram is a combined term for |
|---|---|
| B. | activity diagram + state chart diagram |
| C. | c) deployment diagram + collaboration diagram |
| D. | d) none of the mentioned |
| Answer» a. sequence diagram + collaboration diagram |
What are the types of interaction diagram?
Interaction diagrams are divided into four main types of diagrams:
- Communication diagram.
- Sequence diagram.
- Timing diagram.
- Interaction overview diagram.
Which of the following interaction operators in a combined fragment is used to show the alternatives of a behavior in a sequence diagram?
interaction operator alt
Alternatives. The interaction operator alt means that the combined fragment represents a choice or alternatives of behavior.
What are the three types of modeling in UML?
The three types of modeling in UML are as follows:
- Structural modeling: – It captures the static features of a system. – It consists of the following diagrams:
- Behavioral modeling: – It describes the interaction within the system.
- Architectural modeling: – It represents the overall framework of the system.
What is the interaction fragments Mcq?
Explanation: Interaction fragment is a fragment which is a rectangular frame with a pentagonal operation compartment in the upper left-hand corner and A fragment which has a marked part of an interaction speci? cation.
What are the three different types of message arrows?
Explanation: Three different types of message arrows are- Synchronous, Asynchronous, Synchronous with instance creation.
