Preguntas de entrevista para el cargo de Software Developer en Finastra

Technical round. 1. Abstract vs Interface. 2. Functional Interface. 3. If variable defined in interface then can we change in sub-class? 4. Interface can extend other classes? 5.Thread-life cycle. 6. What is deadlock? 7. Multi-threading code? use any method run/start 8. what is AWS-Cloud? and use 9. what is S3. ec2, AMI? and how used in your project? 10. Throw & throws with code *. Frequency counter code in java. 11. IoC container? 12. Pagination code? 13. SaveAndFlush() method , Find() and getReference(), load() and get() method 14. JDBC connection steps 15. executeQuery & excecuteUpdate 16. microservice architecture 17. simple RestAPI code 18. SQL query to find empName starts with letter "A" 19. 2nd highest salary 20. Project explanation

Java basics, OOP, design patterns, DB, Garbage collection.