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.
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.
Lean about the ways of handling exception in Spring Boot Web Service. Read for through examples and detailed description of the concepts
Tutorial on developing first Spring Boot Rest Service example. See how quickly you can start your own RESTful service with the help of Spring Boot.
In this series of Scala Tutorials, we are looking at Scala constructors. See how the default, custom, primary and auxiliary constructors work in Scala.
This article focuses on Scala language functions. It describes how functions are written and used in Scala.
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.
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.
Before diving deeper into Java 8 Date and Time API, let’s first understand existing Date and Time API. See the main features and examples of Date and Time API.