Given an online DVD rental system, please define the use case diagram, class diagram and state diagram using correct UML notations.

1.Construct a use case diagram by

a. Identifying actors and use cases of the system, finish the use case description table (as shown in the following) and

b. Building a use case diagram using correct UML notation.

2. Construct a class diagram by

a. Identifying and defining all necessary classes, and

b. Building a class diagram using correct UML notation.

c. Implementing the class diagram in Java program.

3. Construct a state diagram by

a. Identifying and defining all necessary states, and

b. Building a state diagram using correct UML notation.