Support for object-oriented data types that support inheritance, polymorphism, composition and method overloading. Java, PostgreSQL and JDBC tutorial The first thing you'll learn in this PostgreSQL ...

In this second half of the Java persistence with JPA and Hibernate tutorial, we move past concepts and start writing code that persists data to and from a relational database using JPA with Hibernate.

Java records are a new language feature that reduces verbosity and enables optimized runtime performance. This Java records tutorial shows how they work.

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

This tutorial launches a short series introducing data structures and algorithms. In Part 1, you’ll learn what a data structure is and how data structures are classified.