Happiest Mind Interview Experience

Round 1: They have given 40 multiple choice questions related to java, hibernate, jsp, web apps

Round 2: He asked, what you will do for multiple threads accessing shared resource and the change in resource should be visible to every thread.

Questions on java 8 streams to convert a hashmap as following

{“hello”, [1, 2, 3, 2, 1]}

{“world”, [3, 4, 5])

should be converted to

{“hello”, [1, 2, 3]}

{“world”, [4, 5])