type definition | Baeldung

Create Spring Prototype Scope Bean with Runtime Arguments

Learn about creating a prototype-scoped bean with runtime arguments in Spring.

@Query Definitions With SpEL Support in Spring Data JPA

Learn how to use Spring Expression Language to make custom queries more dynamic and hide database-specific actions in the repository layers.

Map Date Types With OpenAPI Generator

Learn how to map dates in various formats with OpenAPI

What Is the null Type in Java?

A quick and practical guide to null in Java.

Define an Array of Varying Types in OpenAPI

Learn how to define an array of varying types using the OpenAPI Specification.

415 Unsupported MediaType in Spring Application

In this tutorial, we’re going to showcase the causes and resolutions of the HTTP response code 415 Unsupported MediaType for POST requests in a Spring Application.

JPA CascadeType.REMOVE vs orphanRemoval

Learn about the difference between JPA CascadeType.REMOVE and orphanRemoval for deleting entities.

Does a Method’s Signature Include the Return Type in Java?

Learn why method signatures are comprised of the name and the parameter types’ list in Java.

A Guide to the Hibernate Types Library

Learn how to use HIbernate Types and extend the types set of Hibernate.

The BeanDefinitionOverrideException in Spring Boot

Learn about the BeanDefinitionOverrideException in Spring Boot, and how to work with it.

JPA Annotation for the PostgreSQL TEXT Type

Learn how to manage the PostgreSQL TEXT type using the annotations defined by the JPA specification.

Spring @ComponentScan – Filter Types

Explore different types of filter options available with the @ComponentScan annotation.

Void Type in Java

Learn how to use the Java Void type and when to avoid using the Void type.

JPA 2.2 Support for Java 8 Date/Time Types

Have a look at how to use the java.time package classes with JPA

Spring Autowiring of Generic Types

Injection of generics is a powerful feature, making code cleaner and much more understandable. In this article we cover autowiring these generics in Spring.