Iamneo.ai Full Stack Developer interview questions

first round 20 apti and 3 coding (easy to medium) second technical hr Basic OOPs questions What is stream in java About static, this, super Hashtable working- can we store null in them How to change the type of a column What is set, treeset Where to use which sort technique with explanation How to update a attribute value in SQL Partitions, sharding and indexing What is a primary key, composite key Iterators in java And few other oops based questions third personal hr