It was medium with questions based on java 8, springboot, microservices, rest api and mysql Features of java 8 and asked to solve some coding ques using streams Questions on core java, multiple threading, collections
Sr Java Developer Interview Questions
5,560 sr java developer interview questions shared by candidates
Implement a method for reading from the input (Java IO, System.in, or just basically a file), mapping that input into objects, and writing those objects to the output (System.out). You can use any library of your choice to solve that problem
Basic Java questions core Java, spring boot, microservices
None what I am allowed to disclose.
Data structures questions asked in 2nd round. Binary tree, binary search tree , time complexity etc.
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?
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