Very bad experience with the interviewer, he asking experience level questions, I'm not happy with the interviewer who have interviewed me. The company was very good , I'm not happy with process of hiring

They check the basic understanding of programming language and databases, like questions related to oops, like inheritance, abstraction, encapsulation and other, also asked questions related to loops, like for, while, e.t.c. They also asked for a program to write to check my technical skills. The program was not very hard, it was a simple one based on the concepts of loops and basic core java