Behavior

A Behavior describes how the states of objects change over time.

Behavior types are as follows:

• Activity
• Function Behavior
• Interaction
• Opaque Behavior
• Protocol State Machine
• State Machine

Behaviors are used:

• To specify an Entry, Do, and Exit activities of a State.
• To specify an Effect of a Transition.

The Behaviors are displayed in the compartments of the following elements:

• Class
• Component
• Stereotype
• Node
• Actor
• Use Case
• Collaboration
• Interaction
• State Machine
• Activity
• Opaque Behavior
• Association Class

Behaviors are divided into two groups:

• classifier Behaviors and
• owned Behaviors.

Keep in mind that the classifier Behavior group can have only one Behavior.