Answer the following statements true (T) or false (F)

1. State transition diagrams illustrate a succession of interactions between classes or object instances over time.
2. On a sequence diagram, a lateral bar or vertical rectangle shows the focus of control.
3. A communication diagram shows the same thing as a state transition diagram.
4. An entity class represents an entity on an entity-relationship diagram.

1. FALSE
2. TRUE
3. FALSE
4. TRUE