Flashcards

Quick study sessions to strengthen memory and retain key concepts.

Flashcard Study

Java: Inversion of Control (IoC)

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What are the design consequences of using field injection?

Field injection can lead to less maintainable code and makes testing more difficult. Field injection directly sets dependencies…

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Flashcard Study

Java: Inversion of Control (IoC)

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How does Spring Boot's @ComponentScan work?

@ComponentScan automatically detects and registers beans annotated with @Component in specified packages. The @ComponentScan annotation in Spring Boot…

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Flashcard Study

Java: Inversion of Control (IoC)

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How should you read the Spring Application Context?

As the container that builds and wires the application's object graph. Spring becomes much easier to reason about…

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Flashcard Study

Java: DTOs and Entities

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How does self-invocation affect @Transactional methods in Spring Boot?

Self-invocation bypasses proxy, causing transaction failure. In Spring Boot, self-invocation of a method within the same class bypasses…

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Flashcard Study

Java: DTOs and Entities

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Why does bean scopes on Spring Boot application design matter in practice?

Bean scopes define the lifecycle and visibility of beans. Spring Boot bean scopes, such as Singleton and Prototype,…

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Flashcard Study

Java: DTOs and Entities

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Why are DTOs essential in separating API design from database structure?

DTOs abstract the API layer from database schema changes. DTOs (Data Transfer Objects) act as a bridge between…

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Flashcard Study

Java: DTOs and Entities

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How can using DTOs prevent exposing sensitive data?

DTOs allow selective exposure of data. Frame the concept in practical terms so you can explain it during…

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Flashcard Study

Java: DTOs and Entities

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What design consequence arises from using DTOs?

It introduces an additional layer in the architecture. DTOs add a layer between the service and presentation layers,…

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Flashcard Study

Java: DTOs and Entities

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How would you explain a common mistake with Bean scopes in Spring Boot in an interview?

Misusing singleton scope for stateful beans. Singleton scope is the default and often misused for beans that need…

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Flashcard Study

Java: DTOs and Entities

Front

How do serialization boundaries help prevent data leaks in a Spring Boot application?

They define what data is included in API responses. Serialization boundaries determine which properties of an object are…

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