How can you run a Spring Boot application?

Expert Posts
1

To run a Spring Boot application, follow these steps:

1. Using an IDE (e.g., IntelliJ IDEA, Eclipse):

  • Open your Spring Boot project in your preferred IDE.
  • Find the main class that is annotated with @SpringBootApplication.
  • Right-click on the main class and select Run. The application will start, and you can view the logs in the console.

Example of a main class:

java @SpringBootApplication public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); } }

2. Using the command line with Maven or Gradle:

  • With Maven:

    • Navigate to your project directory and use the following command:

    bash mvn spring-boot:run * With Gradle:
    + Use the following command to run the application:

    bash gradle bootRun

3. Running the JAR file:

  • Package your Spring Boot application into an executable JAR file by running the following Maven command:

bash mvn clean package * After the JAR file is created, navigate to the target directory and run the JAR file with:

bash java -jar target/your-app.jar