Capgemini Software Engineer - Java Developer interview questions

Coding question - find second highest element in array, without using 2 loops. Interview question asked-- 1. Project challenges in your current project. 2. java 8 features 3. git commands to handle conflicts 4. hashmap, concurrent hashmap 5. string usage, how to make string mutable 6. abstract and interface 7. sprinboot connection with Angular 8. How to connect springboot with JB(all step by step process) 9. why to use springboot over spring 10. Agile tickets and US. 11. Checked and unchecked exception 12. polymorphism in deep explain 13. springboot resource folder explanation 14. GIT SIT UAT (how pipeline executed internal process expain)

Questions related to oop principle