Question: Count the email domains List employees = new ArrayList<>(); employees.add(new Employee("A", "A@google.com")); employees.add(new Employee("b", "b@gmail.com")); employees.add(new Employee("C", "C@google.com")); employees.add(new Employee("D", "D@yahoo.com"));
From basic concepts/best practices to architectural patterns, databases, message brokers, clouds, based on my professional experience,
Lots of questions about concurrent and multithreaded programming, rece conditions, deadlock and optimization of relational databases.
Collection framework basic questions
None what I am allowed to disclose.
The second round was a live pair programming session on HackerRank. The task was to implement a Circuit Breaker pattern.
Question on Springs, Collection(HashMap), Concurrency, Singleton class etc.
how to create singleton in multi threaded environment
HA architecture
How two jvm can communicate?
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