This post shows how to create an asynchronous web controller or endpoint in Spring Boot (or Spring in general). The codes won’t use external queues of any kind. However, they’ll
The Spring Framework has come a long way. Nowadays, it is way easier to start a Java project with the Spring Framework using Spring Boot. In the past, we used
Did a method just throw an Exception? Well, we could re-invoke it a few times more before giving up using Spring’s Retry API. Last time we touched on BackOff and related interfaces and classes which is used in this API.
This post talks about a better way to retry failed operations in Java using classes in Spring.
This post shows how to access Spring ApplicationContext object in JUnit tests.
This post demonstrates how to trim string values from .properties files using SpringApplicationBuilder and a subclass of or anonymous class of StandardEnvironment supplied to the builder with overridden getProperty(String) and getProperty(String, String) methods.
A .properties file contains lines of string pair. Each string pair consists of a parameter name (called the key), and parameter value. This post is about how to validate the parameter value at the application startup.
This post is about how to auto-wire a set of beans to a list in Spring. Essentially, we need to add @bean’s to an list.
This post demonstrates how to create a Kotlin-based Spring Boot project using IntelliJ IDEA. It also creates a simple command-line application that leverages Spring’s Dependency Injection.
This post shows a sample Spring MVC application developed with Spring Boot, Kotlin, and Thymeleaf. Generally speaking, it is now possible and safe to port your Java-based Spring MVC application codes to Kotlin or start writing new Spring MVC applications in Kotlin already.