Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

The core idea behind JPA as opposed to JDBC, is that for the most part, JPA lets you avoid the need to “think relationally.” In JPA, you define your persistence rules in the realm of Java code and ...

If you're not familiar with object-oriented programming, some of the concepts can be hard to understand, especially if you're a longtime procedural language programmer. Follow along as we take a look ...