Running a Spring Boot application in Spring Boot - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start the Spring Boot application.

Spring Boot

public static void main(String[] args) {
    SpringApplication.[1](MyApplication.class, args);
}

Drag options to blanks, or click blank then click option'

Arun

Bexecute

Claunch

Dstart

Attempts:

3 left

💡 Hint

Common Mistakes

Using methods like start or launch which do not exist in SpringApplication.

Forgetting to pass the application class and args.

The SpringApplication.run() method starts the Spring Boot application.

2fill in blank

medium

Complete the annotation to mark the main class as a Spring Boot application.

Spring Boot

@[1]
public class MyApplication {
    // main method here
}

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AComponent

BSpringBootApplication

CService

DConfiguration

Attempts:

3 left

💡 Hint

Common Mistakes

Using @Component or @Service which are for beans, not the main application.

Forgetting to annotate the main class.

The @SpringBootApplication annotation marks the main class as the entry point for Spring Boot.

3fill in blank

hard

Fix the error in the main method to correctly start the application.

Spring Boot

public static void main(String[] args) {
    SpringApplication.[1];
}

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Arun(MyApplication.class, args)

Bstart()

Claunch()

Dexecute()

Attempts:

3 left

💡 Hint

Common Mistakes

Calling run() without parameters causes errors.

Using non-existent methods like start or launch.

The run method requires the application class and arguments to start properly.

4fill in blank

hard

Fill both blanks to create a Spring Boot application main class with the correct annotation and main method call.

Spring Boot

@[1]
public class MyApplication {
    public static void main(String[] args) {
        SpringApplication.[2](MyApplication.class, args);
    }
}

Drag options to blanks, or click blank then click option'

ASpringBootApplication

BComponent

Crun

Dstart

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong annotations like @Component.

Using non-existent methods like start.

The main class must be annotated with @SpringBootApplication and start with SpringApplication.run().

5fill in blank

hard

Fill all three blanks to create a Spring Boot main class with annotation, main method, and run call.

Spring Boot

@[1]
public class [2] {
    public static void main(String[] args) {
        SpringApplication.[3]([2].class, args);
    }
}

Drag options to blanks, or click blank then click option'

ASpringBootApplication

BMyApplication

Crun

DApplication

Attempts:

3 left

💡 Hint

Common Mistakes

Mismatching class names.

Using wrong annotation or method names.

The class is annotated with @SpringBootApplication, named MyApplication, and started with SpringApplication.run().