Frage im Vorstellungsgespräch bei Tata Consultancy Services

Technical Interview – Sample Questions Core Concepts: What is the difference between == and .equals() in Java? Explain the difference between stack and queue. Write a Python program to reverse a string. SQL: Write a query to fetch the second highest salary from an Employee table. What is the difference between WHERE and HAVING? OOPs: What are the four pillars of OOPs? What is inheritance and how is it implemented in Java? Project Questions: Explain your final year project. What tech stack did you use? What were the challenges you faced while building your project?