Ways of creating thread. When to use runnable and when to use Thread. Abstract Class Instantiation of Abstract class Singleton classes Where singleton design can break? Custom class object as key in hashmap Identity hashmaps---equality is done using reference (==) Concurrent hashmaps--contains segments--1Sements = 1 Hasmap(Conceptually) Final class
Live coding + some questions about complexity of the solution. Load balancer. Some extra requirements once you implement the previous ones. Money transfer service, then SQL query of money transfer, then theory about DB mostly (ACID, isolation levels).
Some Java, Big Data related Questions.
How can we resolve merge conflicts
Lots thing they asked me
Q: Microservice Design patterns Q: API Gateway QSpring boot
JWT, Authentication,Spring security,Spring annotation and Java 8 program max slaary of employees group by department. Shallow copy and deep copy , transactional
Do you know about Kafka and how to use it in a springboot project?
Stream api related question and easy leetcode question
Basic spring, spring boot questions
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