SB_Quiz1_Day1-Day4

What is the goal of Spring Boot?

• Additional libraries for monitoring

• Manual configuration

• Extensive XML configuration

• Faster setup and less configuration

What is the purpose of @Autowired annotation?

• Defines and configures a bean

• Marks a class as a Spring bean

• Used for dependency injection

• Specifies which bean to inject

What is the default scope of a class in Spring Boot?

• Singleton

• Session

• Prototype

• Request

What is the difference between @Controller and @RestController in Spring MVC?

• @Controller is used for RESTful API services, @RestController is used for traditional web applications

• @Controller requires @ResponseBody for data response, @RestController implicitly includes @ResponseBody

• @Controller returns data directly, @RestController returns views

• @Controller handles web pages, @RestController handles RESTful web services

What is the purpose of JPQL in JPA?

• A platform-independent object-oriented query language

• Direct database access

• More code for managing connections

• Fine-grained control over database operations

Which annotation is used to specify the primary key of an entity in JPA?

• @Id

• @GeneratedValue

• @Entity

• @Table

What does Hibernate do in relation to JPA?

• Maps Java objects to database tables

• Requires more boilerplate code

• Handles direct database access

• Provides fine-grained control over operations

What is the purpose of @RequestMapping in Spring MVC?

• Specifies the URL path for a controller or controller method

• Specifies which bean to inject

• Marks a class as a Spring bean

• Defines and configures a bean

What is the purpose of @Entity annotation in JPA?

• Tells JPA that the class is an entity mapped to a database table

• Specifies the name of the database table

• Marks the primary key of the entity

• Specifies that the primary key value should be generated automatically

What is the main advantage of using JPA in database interactions?

• Simplifies database operations with less boilerplate code

• Provides direct control over database operations

• Requires more effort and code

• Handles the conversion between Java objects and database tables automatically