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Spring Boot – Logging

Logging in Spring Boot uses Apache Commons Logging for all internal logging but leaves the underlying log implementation open. The Commons Logging (JCL) provides a Log interface that is intended to be both light-weight and an independent abstraction of other logging toolkits. We shouldn’t worry about…

Spring Boot – Profiles

Guide to Spring Boot Profiles Spring Boot Profiles provide a way to segregate parts of your application configuration and make it be available only in certain environments. Profiling can be implemented using multiple ways in Spring Boot. Let’s see possible ways of loading profiles. This…

Spring Boot – ApplicationRunner

What is use of Spring Boot ApplicationRunner Interaface? Spring bootApplicationRunnerInterface is used to execute specific lines of code/task just before the Spring Boot Application starts-up. ApplicationRunnerand CommandLineRunnerinterfaces work in the same way and offer a single run method, which is called just before SpringApplication.run(…​) completes. How Spring boot ApplicationRunner interface Works?…

Spring Boot – CommandLineRunner

What is use of Spring Boot CommandLineRunner Interaface? CommandLineRunner Interface is used to execute specific lines of code/task just before the Spring Boot Application starts-up. How CommandLineRunner works? We need to create spring bean using CommandLineRunner interface and spring boot will automatically detect them. CommandLineRunner Interface have run() method that needs to…

Spring Boot – Events & Listeners

Application Listener in Spring Boot bases its events handling on beans implementing org.springframework.context.ApplicationListener interface. It defines only one method, onApplicationEvent which is trigerred when an event is sent. This interface can be generic by specifying the event to which it has to be applied. Spring will filter itself which…

Spring Boot – Dev Tools

What does Spring Boot Devtools (Development Tools)? To make developers life easy, Spring Boot includes an additional set of tools that can help reduce development time and have some pleasant time in programming. The spring-boot-devtools module can be included in any project to provide additional development-time features….

Spring Boot – Starters

Spring Boot Application Starters Spring boot application starters are a set of required dependency description added for execution of project. It’s a kind of predefined template or one-stop shop for all the Spring and related technologies dependency description. For example, if you want to get…

Spring Boot – Hello World

Steps to Create Hello World Example in Spring Boot Step 1: In Eclipse, File > New > Maven Project Step 2: Select an Archetype, maven-archetype-quickstart Step 3: Fill up the Group Id, Artifact Id  Clicking on “Finish” will create a new project in Eclipse. Step 4:…