I applied online. I interviewed at Altimetrik (Missouri City, MO) in Nov 2023
Interview
Questions on Java Collections. The questions based on what are the advantages of lists, maps, and sets. Explain the array List, Linked List, queue, and HashMap. Why do we need to use an array List instead of array?
Interview questions [1]
Question 1
What is the fallback method?
What are the types of joins in SQL?
When can we use these joins?
Explain all joins.
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?
