Java Programming for Complete Beginners - Java 16 - Step 12 - Q4 - Spring Framework - Running Super Contra

The video tutorial explores using the Spring Framework to manage game components, focusing on running the Super Contra game. It addresses issues with multiple bean conflicts and demonstrates how to set a primary bean using annotations. An exercise is provided to implement Pacman as the primary bean. The tutorial also covers troubleshooting common Spring errors, such as missing components and package scanning issues, offering solutions to ensure smooth application startup.

What problem arises when there are multiple beans available for autowiring in Spring Framework?

• The beans are automatically merged.

• The application crashes immediately.

• The application runs slower.

• Spring Framework cannot decide which bean to use.

How can you specify which bean should be used when there are multiple candidates in Spring Framework?

• By using the @Primary annotation.

• By using the @Qualifier annotation.

• By using the @Autowired annotation.

• By using the @Component annotation.

What is the first step in making Pacman the primary bean in the exercise?

• Change the package of the Mario game.

• Delete the Super Contra game.

• Copy the Super Contra game and rename it to Pacman.

• Add a new method to the Mario game.

What should you do if you encounter an error stating 'no qualifying bean of type' in Spring Framework?

• Reinstall the Spring Framework.

• Update the Java version.

• Restart the application.

• Check if the bean is annotated with @Component.

Why might a component not be found during a component scan in Spring Framework?

• The component is in a package not included in the scan.

• The component is not named correctly.

• The component is too large.

• The component is not written in Java.

What is a common mistake beginners make when using Spring Framework?

• Forgetting to enable debug mode.

• Not knowing how to handle errors.

• Not using enough annotations.

• Using too many components.

What is a recommended step to troubleshoot issues in Spring Framework?

• Use a different IDE.

• Increase the memory allocation.

• Enable debug mode.

• Change the application server.