Flashcards

Quick study sessions to strengthen memory and retain key concepts.

Flashcard Study

Java: Controllers, Services, Repositories

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Why is @ComponentScan used in a Spring Boot application?

Automatically detects and registers beans. @ComponentScan is used to scan for Spring components within specified packages, automatically detecting…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

What are the consequences of using prototype scope in a multi-threaded environment?

Increased resource usage and complexity. Frame the concept in practical terms so you can explain it during interview…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

How does Spring differentiate between @Repository and @Service annotations?

Semantic roles and exception translation. Frame the concept in practical terms so you can explain it during interview…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

What purpose does a @Configuration class serve in Spring?

Defines beans and configuration settings. Frame the concept in practical terms so you can explain it during interview…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

What happens if a required dependency is missing with constructor injection?

The application context fails to start. Frame the concept in practical terms so you can explain it during…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

Why prefer constructor injection over field injection in Spring?

Ensures immutability and helps in testing. Constructor injection is preferred because it promotes immutability by ensuring all dependencies…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

Why does transaction self-invocation in @Service matter in practice?

Self-invocation bypasses the proxy, ignoring transaction management. In Spring, transactional methods rely on proxies for transaction management. If…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

How does @Repository contribute to data access isolation?

Encapsulates data access logic. Frame the concept in practical terms so you can explain it during interview discussion.…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

Why is business logic isolated in the @Service layer?

To keep business logic separate from HTTP and data access concerns. The @Service layer is designed to handle…

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Flashcard Study

Java: Controllers, Services, Repositories

Front

Why does a @RestController in Spring architecture matter in this design?

Handles HTTP requests and responses. Frame the concept in practical terms so you can explain it during interview…

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