- Java – Method Reference
1. What is a Method Reference? Imagine you are writing directions for someone. You could say: “Go to the kitchen, open the drawer, pick up the knife, and cut the bread.” Or you could simply say: “Cut the bread” — because the person already knows how to do it. A method reference works the same […]
- Java – Optional
1. What is Optional? Imagine you ask a hotel receptionist for a room key. There are two possible outcomes: either they hand you a key, or they tell you no room is available. In old Java code, the answer to “give me the user with this ID” was either a User object or null — […]
- System Design – Interview Questions
What is the purpose of software system design? Software system design aims to transform user requirements into a well-organized and structured solution by defining system architecture, modules, interfaces, and other components. Explain the difference between monolithic and microservices…
- Python Advanced – Interview Questions
Introduction If you are preparing for a Python developer interview, whether for a junior, mid-level, or senior role, this guide is designed to help you sharpen your understanding of the language from the ground up. Python interviews tend to go beyond syntax trivia. Interviewers want to see that you…
- FastAPI – Interview Questions
Introduction FastAPI has rapidly become one of the most popular Python web frameworks, and demand for FastAPI developers continues to grow. Whether you are preparing for your first Python backend role or aiming for a senior architect position, this guide covers the questions you are most likely to…