3 round - Technical round, Manager round, HR round Technical questions - POS domain. Core Java, automation, selunium SQL - Joins, Sub-queries . What is Thread, ways of creating thread? 2. What is synchronization? 3. Vector and List difference. 4. TCP/UDP difference 5. How to debug in Eclipse? 6. Web.xml tags name 7. What is Socket? 8. Hash code and Equals Method implementation for user defined class. 9. Enum declaration 10. Collection Framework Hierarchy 11. Exceptions Hierarchy. 12. JDBC Connections Code and type of Connection.