Java Spring Boot 14 Years Interview Experience [God Level Skills]

Updated: February 25, 2025

GenZ Career


Summary

The video discusses a professional's vast experience in the service industry, working with Ecommerce, Telecom, and Banking clients. It covers aspects like ensuring code quality through peer code reviews, handling code vulnerabilities with Sonar Cube reports, and addressing issues such as SQL injections. Furthermore, it delves into challenges faced in developing microservice-based applications, securing Java applications with JWT tokens, and designing a food delivery application, emphasizing the importance of regular coding practice to excel in interviews and coding challenges.


Introduction and Recent Project

Introducing the guest and discussing their recent project in the service industry for the past 14 years working on various domains like Ecommerce, Telecom, and Banking clients.

Working with Junior Developers

Explaining the process of working with junior developers, conducting code reviews, and ensuring code quality through peer-to-peer code reviews and best practices.

Challenges Faced in Projects

Discussing challenges faced during project development, managing stories across sprints, and handling client requirements and changes.

Handling Code Vulnerabilities

Explaining the process of handling code vulnerabilities, conducting deep dives with Sonar Cube reports, and addressing issues like SQL injections and library usage.

Troubleshooting Class Not Found Exception

Addressing the Class Not Found Exception issue by checking class loading, package paths, and resolving the issue.

Designing Microservice-Based Applications

Discussing the challenges of designing microservice-based applications, ensuring data consistency between services, and implementing event-driven architectures.

Customizing Auto-Configuration in Spring Boot

Briefly touching on customizing auto-configuration in Spring Boot and the configuration setup in the Metainf folder.

Java Application Security

Ensuring security in Java applications by using JWT tokens for user authentication and authorization, providing secure access to microservices.

Designing a Food Delivery Application

Detailing the designing process of a food delivery application, creating entity tables, establishing relationships, and ensuring scalability.

Stream API Implementation

Demonstrating the use of Java 8 streams to count the occurrence of each character in a given string using functional programming concepts.

Final Remarks and Coding Practice

Encouraging regular coding practice, understanding concepts clearly, and practicing coding to excel in interviews and coding challenges.


FAQ

Q: What are some challenges faced during project development in the service industry?

A: Some challenges include managing stories across sprints, handling client requirements and changes, and ensuring data consistency between services in microservice-based applications.

Q: How can code quality be ensured in a development project?

A: Code quality can be ensured through conducting peer-to-peer code reviews, following best practices, and addressing code vulnerabilities like SQL injections and library usage issues.

Q: What is the process of addressing a Class Not Found Exception issue in Java applications?

A: The process involves checking class loading, package paths, and resolving the issue to ensure the correct class is found and loaded.

Q: How can security be enhanced in Java applications?

A: Security in Java applications can be enhanced by using JWT tokens for user authentication and authorization, providing secure access to microservices.

Q: What is nuclear fusion?

A: Nuclear fusion is the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy.

Q: How can Java 8 streams be used in programming?

A: Java 8 streams can be used to count the occurrence of each character in a given string using functional programming concepts.

Q: What are some key aspects in designing a food delivery application?

A: Key aspects include creating entity tables, establishing relationships, ensuring scalability, and considering user experience throughout the design process.

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