#Spring boot value annotation how to#

We can use the IDE or Spring Initializr to bootstrap our application.Ĭlick on the “Generate” button to download the project structure in your local machine. Let’s start our journey by creating a simple web application. Custom properties to control our application (defining the username and password for API integration).changing the server port, or timeout or caching). Customize or override the default Spring framework behaviour (e.g.Think of the property file as the central control unit for your application. Spring Boot provides multiple options to bundle this file in the application.

The application.properties file is a simple property file with a key-value information to configure or externalize our application properties.

#Spring boot value annotation how to#

This post covers how to define custom properties and how to use these custom properties in our application. For a complete list of the OOTB properties, please refer to the documentation. It also provides a powerful mechanism to inject the custom properties in our application using the application.properties file. Spring Boot provide the option to change or override the application behaviour by overriding these configuration properties. The default application.properties comes up with a large list of configurations to boot strap our application. This mechanism provides the flexibility to configure and change the application behaviour without changing the code in our application. Spring Boot provides a power and flexible mechanism for application configuration using the application.properties file. We will look at the different options to use the properties in Spring Boot. In this Spring Boot article we will look at the application.properties file.