Top 50 Spring Interview Questions and Answers

Spring is one of the most popular Java frameworks used for building enterprise-level applications. Here are the top 50 interview questions and answers to help you prepare for your next Spring interview.

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1. What is Spring Framework?

Answer: Spring Framework is a powerful, feature-rich, and flexible framework used for building Java-based enterprise applications. It provides comprehensive infrastructure support for developing Java applications. The core features of the Spring Framework can be used to create any Java application, but there are extensions for building web applications on top of the Java EE (Enterprise Edition) platform.

2. What are the advantages of using Spring Framework?

Answer:

• Lightweight: Spring is lightweight in terms of size and transparency.
• Inversion of Control (IoC): Spring uses IoC to manage the objects’ lifecycle and their dependencies.
• Aspect-Oriented Programming (AOP): Spring supports AOP to separate cross-cutting concerns like logging, security, etc.
• Transaction Management: Spring provides a comprehensive transaction management interface.
• MVC Framework: Spring comes with a robust MVC…