Class diagrams, when used in conjunction with sequence diagrams, provide an extremely effective communication mechanism. You can use a class diagram to illustrate the relationships between the ...

A structural relationship between entities specifies that objects are connected. The arrow is optional and specifies navigability. No arrow implies bidirectional navigability.

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how ...