1. What is method overloading?
2. Difference between Comparator and Comparable Interface ?
3. What is difference between  Interface and Abstract Class. Use case ?
4. Difference between equals to and == ?
5. Default methods in interfaces introduced in Java 8. Explain 
6. Difference between StringBuilder, StringBuffer and String ?
7. What is SAGA Design Pattern ?
8. About SQS and what is DLQ ?
9. What are the AWS services using by your company ?
10. What is Message Visibilty ?
11. How will you manage Failed SQS Messages ?
12. Difference between MySql database and NoSql databases ?
13. How can you increase the efficiency of an API on an application layer ?
14. Scenario Based Question -> Theirs is going to be sale,  how would you handle traffic ?
15. On what basis you will scale the application ? 
16. What are ACID properties ?
17. DSA : Search element in rotated sorted array 
18. If your DB is growing exponentially how will you manage database ?
19. What is CDN, what’s the logic behind it ?

What is method overloading?
Difference between Comparator and Comparable Interface ?
What is difference between  Interface and Abstract Class. Use case ?
Difference between equals to and == ?
Default methods in interfaces introduced in Java 8. Expla

Nike SDE 2 Backend Round 1 : Interview Experience