Basic Java questions core Java, spring boot, microservices
Java Senior Interview Questions
6,009 java senior interview questions shared by candidates
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Data structures questions asked in 2nd round. Binary tree, binary search tree , time complexity etc.
Design a booking system to integrate with existing Revolut ecosystem.
JWT, Authentication,Spring security,Spring annotation and Java 8 program max slaary of employees group by department. Shallow copy and deep copy , transactional
Spring Boot, Spring Cloud, Kafka, Design Pattern, 2 DSA question easy one.
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).
Do you know about Kafka and how to use it in a springboot project?
Which are the steps you do if an application runs slowly?
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