Java Persistence API Guide

This guide covers an overview of Java Persistence API (JPA). Why it was created, what are the highlights, and what are the major parts. Learn Entity, EntityManager, JPQL and Criteria.

Spring Boot with Spring Data JPA

A guide for Accessing data using Spring Data JPA abstraction. We will use real database and Spring Data JPA for creating table and accessing data.

Scala Classes & Constructors

In this series of Scala Tutorials, we are looking at Scala constructors. See how the default, custom, primary and auxiliary constructors work in Scala.

JSR 310 Part 3 : Java 8 Date and Time API

Java 8 Date and Time API is modified. Learn about what has changed and how better it is compared to old API or Joda Time API. Explained in detailed with examples.

JSR 310 Part 2 : Joda Time API

Before we learn Java 8 Date and Time API, let’s have a looks at what is Joda Time API and how it is different than old date and time API. This will help us understand how better Java Date and Time API is.