Day 12. Developing Container-Managed Relationships
Today, you'll learn how to develop relationships among container-managed persistence entity beans by using the advanced feature of container-managed relationships.
In our sample university registration system, a student's order consists of one or more line items. Each line item represents a single course item the student has ordered. So, there exists a one-to-many relationship between order and line items. Another example is a student can enroll in many courses, and each course can have many students enrolled in it. So, there exists a many-to-many relationship between students and courses. These are good candidates for container-managed relationships.
Today, we'll write a complete code example ...
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