Complete the code to name the main element used to represent an action in an activity diagram.
The main element used to represent an action in an activity diagram is called a [1].
In activity diagrams, an action represents a single step or task performed.
Complete the sentence to identify the symbol used to represent the start of an activity diagram.
The symbol used to represent the start of an activity diagram is a [1] filled circle.The start of an activity diagram is shown by a black filled circle, also called the initial node.
Fix the error in the description of the decision node symbol in activity diagrams.
A decision node is represented by a [1] shape in an activity diagram.
Decision nodes are shown as diamond shapes to indicate branching paths.
Fill both blanks to complete the description of how parallel activities are shown in activity diagrams.
Parallel activities are represented using [1] and [2] nodes.
Parallel activities use fork and join nodes (thick horizontal bars) to split and merge flows.
Fill all three blanks to complete the code snippet describing an activity diagram element with guard conditions.
In an activity diagram, a transition labeled with [[1]] means the flow occurs if the condition [2] true. This label is called a [3].
The label in square brackets is a guard that specifies a condition. The flow happens if the condition is true.