Cognizant Associate Developer interview questions

1) Written test in Hacker rank, Here i got 20 multiple choice questions, and 2 coding questions 2) L1 Technical interview, Here asked about java oop concepts, HashMap working, Immutable objects, some coding questions using java streams. 3) L2 Technical interview, Here mostly about spring, springboot 4) HR discussion

it is good but need to understand the basic knowledge of IT domain and also the core subjects as well. Interview went well but not get selected ill try again if i have to