Explore key concepts behind interfaces in Java, including their purpose, declaration, and what they can contain. This quiz covers fundamental interview topics about interfaces with practical examples for beginners.

Explore fundamental Spring Boot concepts, annotations, and configuration features essential for backend development with Java. Challenge your understanding of application setup, REST APIs, dependency injection, and more.

Explore foundational aspects of Java data structures with practical, introductory-level questions ideal for beginners. Understand structure types, use cases, and basic distinctions in Java programming.

Quickly assess your understanding of constructors in Java with these easy questions designed for beginners. Perfect for reinforcing key concepts in Java class creation and object instantiation.