Head First EJB

Coffee Cram: Mock Exam Answers

1. What’s true for a bean provider when creating an entity bean using container-managed persistence? (Choose all that apply.)

   	A.	Container-managed persistent fields must be defined in the entity bean class.
   	B.	Container-managed relationship fields must be defined in the entity bean class.
   	C.	When implementing a one-to-many relationship, the java.util.List interface must not be used. - Only Collection or Set can be used
   	D.	Accessor methods for container-managed relationship fields must be exposed in the bean’s remote component interface.

2. Which of the following is a legal accessor method for a persistent field in an entity bean with container-managed persistence? (Choose all that apply.)

   	A.	public getCustomerNum();
   	B.	public void getCustomerNum(); - It must be “public abstract” and return the value of whatever the field is... it IS after all, a GETTER.
   C.	abstract void getCustomerNum(); ...