I got the call from one tech lead and he took my interview on phonecall for around 30 mins from basics to advanced. They they scheduled virtual interview and it was good. Same person took my interview. They are more focus on microservices design patterns, Apache Kafka , how to manage transition, communication between microservices. I got the offer finally
what is oop in java? what is overriding overloading? what is springboot? what is difference between concurrenthashmap and hashmap? lots of questions from core Java spring springboot boot and from Oracle db
Immutability Hashmap Security of application
Exception Handling, Oops, core java
10 question asked nothing more than
(L1) 1.Spring Boot Features 2. Spring Boot Actuators 3.Property Configurations in Spring Boot 4. Basic Core java questions (L2) 1. Advanced Java questions in deep 2. Practical way for core java features, Implementation 3. Current Project experience in Java 1.8 features with examples 4. Spring Boot Questions
What interview?
Java deep knowledge check and framework related questions
Why you want to change your current job to work at Mango?
L1 Round - 1. what is functional interface, stram api, immutable class, static and dynamic polymorphism. 2. wap to find out 1 to 10 numbers. modify existing program to find out only odd no. again modify the program and print the no. 1,5,9. skip 3 no. in between 1 to 10. 3. questions related to docker, rest api, Microservices architecture. L2 interview- little but tough 1. what is method hiding, association, aggregation, composition. 2. solid principal, acid properties, transaction managememt, kafka architecture. 3. one to one mapping mamay to many, hibernate cache. 4. microservice design pattern. 5. deep questions on cloud and docker. HR- normal HR questions.
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