ePayLater interview questions

questions based on Basic Core Java cocepts. 1. Questions based on Multithreading 2. Questions based on JavaWrapper & datatypes 3. Static v/s Final and why we use it. The interviewer didn't turn on his camera. Seemed distracted. Every answer I gave, was asked to repeat. Interviewer thinks Spring is a wrapper. And there is no differenct between class and object. And Hashset/Hashmaps don't use linked lists. Asked to stop the interview.

Previous experience of market what I was doing in my last company