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HashStudioz Technologies Java Developer Interview Questions and Answers
HashStudioz Technologies Java Developer Interview Experiences
2 interviews found
I applied via LinkedIn and was interviewed in Mar 2023. There were 3 interview rounds.
(1 Question)
- Q1. 1) Number of experience do you have as Java Developer 2) Current salary and organisation details 3) Expected salary 4) Any problem to relocate to Job posting place
- Ans.
The interview questions are related to the candidate's experience, salary, and willingness to relocate.
Answer the question about the number of years of experience as a Java Developer.
Provide details about the current salary and organization.
State the expected salary for the new job.
Indicate if there is any problem with relocating to the job posting place.
(2 Questions)
- Q1. 1) Explain the internal workings of HashMap 2) Difference between HashMap and ConcurrentHashMap 3) Difference between failfast and failsafe iterator
- Ans.
Answers to questions related to Java Developer interview
HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values
ConcurrentHashMap is a thread-safe version of HashMap that allows multiple threads to access and modify the map concurrently
Fail-fast iterator throws ConcurrentModificationException if the collection is modified while iterating
Fail-safe iterator creates a copy of the collect...
- Q2. 4)How many objects will be created if below lines executed in Java String s = new String("abc"); 5) Difference between Stack and Heap memory in Java 6) Explain @autowired
- Ans.
Java interview questions on object creation, memory allocation, and @autowired annotation.
One object will be created for the String 'abc' and another object will be created for the reference variable 's'.
Stack memory is used for storing method calls and local variables, while heap memory is used for storing objects.
@Autowired is used in Spring Framework for automatic dependency injection.
It eliminates the need for manu...
Skills evaluated in this interview
Question on blood relation
Cover array and string
(1 Question)
- Q1. Tell me about your self
Interview Preparation Tips
Interview questions from similar companies
(2 Questions)
- Q1. What is kafka? how to implement it
- Ans.
Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.
Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.
It uses topics to categorize data streams, producers publish messages to topics, and consumers subscribe to topics to process messages.
Kafka can be implemented using Kafka APIs in Java, Scala, or other programming...
- Q2. What is Oauth and what is use of it?
- Ans.
OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.
OAuth allows users to grant access to their information on one site to another site without sharing their credentials.
It is commonly used for authentication and authorization in APIs.
OAuth uses tokens to access re...
Skills evaluated in this interview
Selected
I applied via Naukri.com
(1 Question)
- Q1. Data structures Core java Spring boot Hibernate
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jun 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Oops, Interfaces, Exception Handling, Collections, SQL, etc
- Q2. Coding Question - Find 2nd largest element in array with least time complexity
- Ans.
Find the 2nd largest element in an array with the least time complexity.
Sort the array in descending order and return the element at index 1.
Initialize two variables to keep track of the largest and second largest elements.
Iterate through the array and update the variables accordingly.
Return the second largest element.
(2 Questions)
- Q1. Coding Question - print * matrix
- Q2. HashMap, HashSet, Spring, Spring Framework, Microservices, etc
(2 Questions)
- Q1. Basic Details, CTC Info
- Q2. Tech Stack, Challenges Faced in career
Interview Preparation Tips
Question were easy to moderate level.
Answered all questions perfectly, still after 3rd round, they rejected me without any reason.
After clearing Technical rounds, They will ask you that you have to work in mandatory Night Shifts.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Prime number
- Q2. Fibonasic serier
Interview Preparation Tips
Software Developer Interview Questions & Answers
Josh Technology Group
Anonymous
posted on 5 Aug 2024
It is very impressive work on Josh technology assessment because we learn many new skills.
(2 Questions)
- Q1. What is api and how it is work ?
- Ans.
API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.
APIs define the methods and data formats that applications can use to request and exchange information.
APIs can be used to access services provided by other software applications, such as retrieving data from a database or sending notifications.
Examples of APIs ...
- Q2. What is software development life cycle and which steps are following?
- Ans.
Software development life cycle (SDLC) is a process used by software developers to design, develop, and test software.
1. Planning: Define the project scope, requirements, and objectives.
2. Analysis: Gather and analyze user requirements.
3. Design: Create a detailed design of the software.
4. Implementation: Develop the software based on the design.
5. Testing: Test the software for bugs and issues.
6. Deployment: Release t...
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was ok. I was not able to solve all the questions.
(2 Questions)
- Q1. Remove the last element from a linkedlist
- Ans.
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
Iterate through the linked list to find the second last node
Update the next pointer of the second last node to null
- Q2. Some basic questions on oops dbms and os
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
The interviewer asked about javascript basics and DSA questions and some typescript questions
Quantitative arithmetic,verbal reasoning,non-verbal reasoning,etc
Interview Preparation Tips
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