Boot

Spring Boot Security and JWT Hello World Example

Hi Java Code Geeks. Come follow me as we create a Spring Boot Security and JWT (JSON Web Token) Hello World application. This article is best understood by following it from top to bottom. Concepts and definitions will be explained along the way. This article is not for the absolute beginner. It is assumed that you know your way around ...

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Spring Boot with Flyway and PostgreSQL Example

Welcome Java Code Geeks to the Spring Boot with Flyway and PostgreSQL example. In this example we will imagine ourselves as making an application for a car dealership. Well, just a very tiny fraction of it. As we all know, the software we create changes as the business need changes. PostgreSQL is an object-relational database management system. It’s one of ...

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Spring Boot add filter Example

In this article, we will see how to configure Filter using Spring Boot. Also, we will see how to configure multiple filters. 1. What are Filters? Filter is an interface available in javax.servlet package which use to perform filtering task on request to a resource (a servlet or static content), or on the response from a resource, or both . In ...

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Spring Boot Bean Validation Example

In this example, we will demonstrate how to use Bean Validation in a Spring Boot REST application. 1. Introduction Data validation is a basic requirement for any application, especially for web applications that accept data as input. For example, you may want to ensure that an email address or credit card number sent in a request is valid. Before the ...

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Spring Boot Microservices Example

Welcome to the Spring Boot Microservices Example. Microservices is popular because it allows large systems to be composed of smaller systems. Think of it like the single responsiblity principle. The smaller systems have a single responsibilty to the large system. In the monolithic approach, all the smaller systems are bunched up to make up one large system or one large ...

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Spring Boot HATEOAS in REST API Example

Welcome readers, in this tutorial, we will implement the HATEOAS principle to REST resources in a spring boot application. 1. Introduction Spring Boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code It creates applications that are packaged as jar and are directly started using embedded servlet container (such as ...

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Spring Boot JAX-RS with Jersey Example

In this post, we feature a comprehensive article on Spring Boot JAX-RS with Jersey. We will show how to create a JAX-RS web service with Spring Boot and Jersey. 1. Introduction REST (Representational State Transfer) is an architectural pattern for developing web services. REST is a popular choice for web services development projects since it is lightweight, stateless, and therefore easily ...

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Spring Boot Unit Testing Example

1. Introduction This is an in-depth article related to the Spring Boot Unit Testing. Spring Boot framework has features to build applications. Spring Boot has features related to unit testing the application. The framework has utilities and annotations to perform unit testing. Modules for the Test support are spring-boot-test and spring-boot-test-autoconfigure  which supports auto-configuration for tests. 2. Spring Boot Unit Testing ...

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Spring Boot with Hibernate Example

Welcome readers, in this tutorial, we will integrate Hibernate with a Spring Boot application. 1. Introduction Spring Boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code It creates applications that are packaged as jar and are directly started using embedded servlet container (such as Tomcat, Jetty or Undertow). Thus, ...

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Spring Boot Cucumber Tests Example

In this post, we feature a comprehensive article on Spring Boot Cucumber Tests. We will create a Spring Boot rest application and test the spring boot application with cucumber acceptance testing. 1. Introduction Spring Boot is an open source Java-based framework used to create a micro Service. It is developed by Pivotal Team and is used to build stand-alone and ...

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