Spring Boot Basics

In this quick tutorial, we’ll configure embedded Undertow server by replacing it with default Tomcat server in Spring Boot web application.

In this tutorial, we’ll take a look at Conditional Annotations in Spring Boot with examples.

In this tutorial, we’ll compare Spring Boot Configuration using YAML file and Property file and their advantages one over the other.

In this article, we’ll learn how to use @ConfigurationProperties with .yml file instead of .properties file for configuration in Spring Boot Project.

In this article, we’ll learn how to install Spring Tool Plugin for Eclipse IDE to create a Spring Boot Project from Scratch using Spring Initializr.

In this article, we’ll learn how to inject values for Primitives, List, Map, and Date with inline values and from property file using @Value Annotation with examples. We’ll also see its usage with Constructor-based & Setter-based Injection, and SpEL.

In this article, we’ll learn how to create a Spring Boot project quickly from scratch use Spring Initializer.

In this quick tutorial, we’ll configure embedded Jetty server by replacing it with default Tomcat server in Spring Boot web application.

Spring boot application comes with default banner which shows up first when you start your application.

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.1.3.RELEASE)

You can replace above banner with your self made custom banner in following two easy steps:-

Spring Boot Application converts any command line arguments starting with --, such as --spring.profiles.active=dev to a property by default and adds them to the Spring Environment. Command line properties always take precedence over other property sources.

If you do not want command line properties to be added to the Environment, you can disable them from SpringBootApplication main method as follows:-