Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

Java deserialization example. Of course, Java object serialization is only half of the job. The other half is Java object deserializtion, which we accomplish with the FileInputStream and the ...

If you’re still not sure how this works, consider the following diagram: Rafael Del Nero Passing primitive types in Java. Like object types, primitive types are also passed by value.

UML is used as a representation of the Java programming language. Using sample class and sequence diagrams, you can see how UML conveys unambiguous code-mapping information to developers.

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 ...