I applied through a recruiter. I interviewed at Altimetrik (Mumbai) in May 2021
Interview
They took around 1.30 hr on online.so it was l1 for them.basic java questions also they ask.its a good experience with them all the best guys. They asked me abt complexity in collections, it was a very different approach they took.
Interview questions [1]
Question 1
They are more concentration over complexity of time.
I applied online. I interviewed at Altimetrik (Bengaluru) in Jun 2026
Interview
The interviewer asked me the following questions :
1. Introduction
2. Difference between hashtable and hashMap
3. wake notify and notifyAll belongs to which class ?
4. Asked similar methods which class they belong to
5. Coding question : create a thread pool of 3 using executorService and perform an operation using all 3 threads
6. ConcurrentModification Code Example - output
7. Spring boot basic annotations.
Interview questions [1]
Question 1
The interviewer asked me the following questions :
Introduction, Difference between hashtable and hashMap. wake notify and notifyAll belongs to which class ?. Asked similar methods which class they belong to . Coding : create a thread pool of 3 using executorService and perform an operation using all 3 threads. ConcurrentModification Code Example - output. Spring boot basic annotations. Why functional Interface have only one abstract method. Fail Fast & Fail Safe Iterator.
They asked me following questions.
Threading
Spring security
Polymorphism
Hashmap /concurrent hashmap
Global exception handeling
Arraylist
Executerservice
Lower factor of hashmap
Hashmap default size can you customise size of it
Serialversion uid
Predefine immutable class
Collection collections
@Bean
Spring boot circular dependency
Setter injection constructor injectiom
Yml file and properties file
Cron job in springboot
Status codes
Interviewer who is a senior recruiting manager was stone faced with no niceness. Jumped from one topic to another without a preface or breath. Does it take much to treat candidates as real people?
