Flashcards

Quick study sessions to strengthen memory and retain key concepts.

Flashcard Study

Java: Dynamic Class Loading

Front

How does an Annotation Processor like Lombok work?

It processes annotations at compile-time to generate boilerplate code. Annotation Processors like Lombok provide a way to reduce…

View Card →
Flashcard Study

Java: Dynamic Class Loading

Front

What are the potential risks of using Reflection?

Reflection can break encapsulation, be slow, and lead to code that is hard to maintain. Reflection allows you…

View Card →
Flashcard Study

Java: Dynamic Class Loading

Front

Why might you prefer Method.invoke over direct method calls?

It allows dynamic method invocation when the method name is not known at compile time. Method.invoke is used…

View Card →
Flashcard Study

Java: Dynamic Class Loading

Front

Why does the Reflection API in Java matter in this design?

It allows inspection and manipulation of classes, methods, and fields at runtime. The Reflection API in Java enables…

View Card →
Flashcard Study

Java: Dynamic Class Loading

Front

When is runtime scanning still a good fit?

When the framework must discover components from the actual runtime classpath or plugin set. Reflection remains valuable when…

View Card →
Flashcard Study

Java: Dynamic Class Loading

Front

Where should reflection usually stay in a healthy framework design?

Mostly at startup or wiring boundaries, not throughout business logic. Mature frameworks often use reflection to discover controllers,…

View Card →
Flashcard Study

Java: Breaking Encapsulation

Front

How does Reflection handle method overloading when dynamically invoking methods?

Reflection requires specifying parameter types to invoke the correct overloaded method. When invoking methods using Reflection, the JVM…

View Card →
Flashcard Study

Java: Breaking Encapsulation

Front

What are the consequences of using 'setAccessible(true)' on Field objects in a framework?

It bypasses encapsulation, allowing private fields to be accessed. While 'setAccessible(true)' enables frameworks to operate flexibly by allowing…

View Card →
Flashcard Study

Java: Breaking Encapsulation

Front

How can frameworks use Reflection to dynamically map database records to Java objects?

Frameworks use Reflection to access and modify object fields based on metadata. In frameworks like ORM (Object-Relational Mapping)…

View Card →
Flashcard Study

Java: Breaking Encapsulation

Front

Why is it important to handle Reflection with care in performance-critical applications?

Reflection is slower and can introduce security risks. Reflection operations are more expensive than standard Java operations due…

View Card →