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Summary: In this blog post, we will discuss the Spring Boot project file structure. We will highlight and bold important words and sentences to make it easier to understand. We will also include sample code for clarification.

Spring Boot Project File Structure

Spring Boot is a popular framework for building web applications. It provides a lot of features out of the box, such as auto-configuration, which makes it easy to get started with a new project. However, it is important to understand the project file structure to make the most of Spring Boot.

The project file structure of a Spring Boot application is similar to that of a standard Java application. It consists of source code, configuration files, and resources. Let's take a closer look at each of these components.

Source Code

The source code of a Spring Boot application is located in the src/main/java directory. This directory contains all the Java classes that make up the application. By default, Spring Boot uses the package name com.example.demo for the main application class. This class is annotated with @SpringBootApplication, which is a convenience annotation that combines @Configuration, @EnableAutoConfiguration, and @ComponentScan.

Configuration Files

Spring Boot uses configuration files to configure the application. These files are located in the src/main/resources directory. The most important configuration file is application.properties or application.yml. This file contains properties that configure the application, such as the server port, database connection details, and logging settings.

Resources

The resources directory contains all the non-Java files that are required by the application. This includes static files, templates, and other resources. By default, Spring Boot looks for static files in the src/main/resources/static directory and templates in the src/main/resources/templates directory.

Sample Code

Let's take a look at some sample code to illustrate the Spring Boot project file structure.

src 
└── main     
    ├── java     
    │   └── com     
    │       └── example     
    │           └── demo     
    │               └── DemoApplication.java     
    ├── resources     
    │   ├── application.properties     
    │   ├── static     
    │   │   └── index.html     
    │   └── templates     
    │       └── home.html     
            └── webapp         
            └── WEB-INF             
            └── jsp                 
                └── hello.jsp 

In this example, the source code is located in the com.example.demo package, and the main application class is DemoApplication.java. The configuration file is application.properties, and the resources directory contains static files and templates.

Conclusion

In this blog post, we discussed the Spring Boot project file structure. We highlighted and bolded important words and sentences to make it easier to understand. We also included sample code for clarification. Understanding the project file structure is important for making the most of Spring Boot's features. By following the conventions of the file structure, you can build robust and scalable web applications with ease.