Question related to dp,trees,arrays,STL,DBMS,SQL.
Introduce yourself
What all technologies have you used and why
Many questions around your current project
Immutable class and object
Singleton Pattern
Factory Pattern
Multithreading
Synchronized
What are triggers?
When to use them?
SQL Trigger | Student Database
What is Indexing and how to use indexing with composite keys
HashMap internal working
Difference between synchronized Hashmap and Concurrent Hashmap
How to compare a HashMap with object Student: Use Comparator class Comparator Interface in Java with Examples