1. Serialization vs deserialization 2. How to do that in API testing. 3. how to validate JSON schema. 4. Authentication vs authorization. 5. Invalid bearer token status code 6. CI/CD pipeline 7. Maven commands to execute. 8. how to handle git conflict 9. Diff between git fetch and git pull 10 . Agile ceremonies 11. Diff between where and having in SQL 12. Xpath axes 13. SQl query to find third highest salary. 14. OFFSET vs limit 15. How to read properties file 16. File uploads and downloads via selenium java 17 premitive and non premitive data types 18 wrapper classes in java 19 convert String to Integer 20 comparator and comparable 21 override static methods 22 diff between throw and throws 23. Streams in java 24. Code to find unique elements from integer array.