Learn how to use OpenAPI Generator Custom Templates to generate customized client and server code from REST API definitions.
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Template Engines in Groovy
Learn how to handle dynamic text using Groovy template engines
Display Image With Thymeleaf
Learn to serve an image from the resources folder in a Spring Boot application.
Convert an XML File to CSV File
Learn how to quickly convert XML files to CSV using Java
Generate Unit Test Data in Java Using Instancio
Learn how to eliminate manual data setup in tests by auto-generating the data using Instancio.
Pretty-Print XML in Java
Learn two approaches to pretty-print an XML file in Java
Spring Boot With Spring Batch
Learn how to create a simple Spring Batch job using Spring Boot.
Spring REST API + OAuth2 + Angular (using the Spring Security OAuth legacy stack)
Learn how to set up OAuth2 for a Spring REST API and how to consume that from an Angular client.
Connect Java to a MySQL Database
Learn several techniques to connect to a MySQL database from Java.
Double Dispatch in DDD
Have a look at examples of double dispatch in the context of Domain-driven Design.
Introduction to Project Amber
A quick and practical overview of Project Amber for Java.
Building a Web Application with Spring Boot and Angular
Have a look into building a web application with a Spring REST back-end and Angular front-end.
Concatenating Strings in Java
Learn different ways to concatenate Strings in Java
Basic IntelliJ Configuration
Learn about basic configuration and usage of the IntelliJ IDE
Spring Security Login Page with Angular
Learn how to implement a Spring Security login page with Angular.
A Guide to DeltaSpike Data Module
Explore the DeltaSpike Data module to simplify the implementation of the repository pattern.
Front-End App with Spring Security OAuth – Authorization Code Flow
Explored building a simple front-end application to use with the Authorization Code flow – with Spring Boot, Spring Security and Angular 6.
Spring Web Annotations
Explore the main annotations you can use to handle HTTP requests and responses in Spring MVC.
Instance Profile Credentials using Spring Cloud
Learn to configure Spring Cloud AWS for Instance Profile Credentials.
Polymorphism in Java
Discover polymorphism in Java.