Can you explain the difference between an abstract class and an interface in object-oriented programming, and provide an example of when you might use each?

Describe how you would approach debugging a program that is running slower than expected. What tools or techniques would you use to identify and resolve the performance issues?

Imagine you are tasked with designing a simple RESTful API for a library system. What considerations would you take into account to ensure it is scalable and maintainable, and how would you handle versioning?

Describe a time when you faced a significant challenge while working on a team project. How did you handle it, and what was the outcome?

Can you give an example of a situation where you had to learn a new technology or tool quickly to complete a project? How did you approach the learning process?

Tell me about a time when you received constructive criticism on your work. How did you react, and what steps did you take to improve?

Describe a time when you faced a challenging bug in your code. How did you approach diagnosing and resolving the issue? What steps did you take to ensure it didn't recur?

Imagine you are given a new feature to implement, but the requirements are unclear and the deadline is tight. How would you go about clarifying the requirements and ensuring you deliver a solution that meets the needs? What strategies would you employ to manage your time effectively?

You are working on a project with a team, and you encounter a technical roadblock that affects the progress of the entire team. How would you approach solving this problem? What methods would you use to collaborate with your team to find a solution?

Describe a time when you took the initiative to lead a project or task in a team setting. What steps did you take, and what was the outcome?

How do you handle situations where team members have conflicting ideas or approaches? Can you provide an example of how you facilitated a resolution?

As a junior software engineer, how would you motivate and inspire your peers to achieve a common goal, especially when facing tight deadlines or challenging problems?