Using Initializr to Generate a New Spring Boot Application
There are many ways to initialize a Spring Boot application. Your IDE may already integrate Spring’s Initializr or you can manually create the file structure yourself. But the best approach might be Spring’s web-based Initializr tool.
The Initializr tool allows you to generate the basic file structure for any Spring application. It provides you with several options that enable you to customize your application.
Find out how to generate any Spring Boot application using the Initializr.
Project Type and Programming Language Selection
The initial state of the Initializr tool is as follows:
The first thing you’ll need to do is select a new project type.Spring Initializrprovides three options here: Gradle-Groovy, Gradle-Kotlin, and Maven.
After you’ve selected your project type, you’ll need to select the correspondingprogramming language(Groovy, Kotlin, or Java).
The Different Spring Boot Options
The Initializr provides six versions of Spring Boot for you to choose from, preselecting the option for the latest version. As of April 2023, the latest Spring Boot version is 3.0.6.
The preselected Spring Boot version relates to the preselected Java option metadata section, as you’ll need Java 17 and above to use version 3.x. However, if the version of Java you have on your device is below 17, then you can select Spring Boot version 2.x.
Populating the Project Metadata
Your project metadata is very important, as it helps to generate the Maven pom.xml file or the Gradle build.gradle file (depending on the project type you select). These files will contain data that describes your application and influence its function.
Selecting Dependencies
The Spring Initializr has a dependency section that provides you with a plethora of dependencies to choose from. Simply click the add dependency button, and Initializr will present you with a range of different options.
You can either scroll through the list or type the dependency name into the search bar, to add a new dependency to your application. A dependency is a library that adds additional functionality to your application. Some of the most popular dependencies include:
Generate a New Spring Boot Application With Ease
The next step in generating a boilerplate for your Spring Boot application is clicking the generate button. This action will cause a jar or war file (depending on the option you selected previously), to download on your device.
You can now import the jar or war file you download into your desired IDE and start developing your Spring application.
Put some Spring in your step and learn how to build apps with this powerful framework.
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