During the interview, I encountered questions pertaining to object-oriented principles such as polymorphism, encapsulation, and abstraction, with real-life examples. Additionally, the interviewer delved into MySQL query composition, particularly focusing on JOIN operations to retrieve data from multiple tables. Demonstrating proficiency in HTML, I was tasked with creating a form to showcase my front-end development skills. Moreover, the interviewer probed into my past projects in a formal manner, engaging in discussions regarding the challenges encountered throughout the project lifecycle and the corresponding solutions devised. Furthermore, inquiries regarding the implementation of interfaces and APIs were posed, underscoring the importance of understanding software architecture and design patterns in real-world scenarios.

Explain OOPS concept and basic data structures