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Tata nexarc
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Tata nexarc Java Developer Interview Questions and Answers
Tata nexarc Java Developer Interview Experiences
5 interviews found
Anonymous
(2 Questions)
- Q1. Hibernate Architecture
- Q2. Session vs Session factory
- Ans.
Session represents a single connection between client and server, while Session Factory is used to create and manage sessions.
Session is created by Session Factory in Hibernate
Session is short-lived and lightweight, while Session Factory is long-lived and heavy-weight
Session Factory is thread-safe and can be shared among multiple threads
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed before Jan 2022. There were 4 interview rounds.
(1 Question)
- Q1. Coding test and question related to core java and advanced java
(1 Question)
- Q1. Previous working experience
(1 Question)
- Q1. Discussion on package
Interview Preparation Tips
Daily Practice coding question
I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.
(4 Questions)
- Q1. Questions about core java, Collections API, Streams, Internal Working of hashmap.
- Q2. Questions from Spring framework, hibernate, restful web services
- Q3. Questions from microservices architecture
- Q4. Questions about MVC architecture
(1 Question)
- Q1. Questions about current CTC and expected CTC
Interview Preparation Tips
- Spring Boot
- Hibernate
Focus on learning spring boot
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Core java, jdbc, sql
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jul 2021. There were 3 interview rounds.
(1 Question)
- Q1. Questions about core jabva, spring, rest web services
(1 Question)
- Q1. Question about salary expectation
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
(4 Questions)
- Q1. What is runtime polymorphism, and can you provide a code example to illustrate it?
- Ans.
Runtime polymorphism allows a subclass to provide a specific implementation of a method that is already provided by its parent class.
Runtime polymorphism is achieved through method overriding, where a subclass provides its own implementation of a method that is already defined in its superclass.
The method to be overridden must have the same name, return type, and parameters in both the superclass and subclass.
When an o...
- Q2. Streams in java
- Ans.
Streams in Java provide a way to process collections of objects in a functional style.
Streams are sequences of elements that support various operations like filter, map, reduce, etc.
They can be created from collections, arrays, or generate elements dynamically.
Streams can be sequential or parallel, allowing for efficient processing of large datasets.
Example: List<String> names = Arrays.asList("Alice", "Bob", "Cha...
- Q3. How do we create threads in Java, and how do we invoke them?
- Ans.
Threads in Java are created by extending the Thread class or implementing the Runnable interface, and invoked using the start() method.
Threads can be created by extending the Thread class and overriding the run() method.
Threads can also be created by implementing the Runnable interface and passing an instance of the class to a Thread object.
Threads are invoked by calling the start() method on the Thread object.
- Q4. What is a Rest Template and how is it used?
- Ans.
Rest Template is a class in Spring that simplifies making HTTP requests and handling responses.
Rest Template is part of the Spring framework in Java.
It can be used to make HTTP requests to RESTful web services.
It simplifies the process of making HTTP calls and handling responses.
Rest Template can handle GET, POST, PUT, DELETE, etc. requests.
Example: RestTemplate restTemplate = new RestTemplate();
arun kumar
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Oops concept asked
- Q2. Springboot annotations
(2 Questions)
- Q1. Project details simply
- Q2. Springboot related
(2 Questions)
- Q1. Easy about salary
- Q2. Details about asked
Interview Preparation Tips
I applied via Campus Placement
There was pattern question in any programming language and you have make the pattern dynamic.
Interview Preparation Tips
(1 Question)
- Q1. List vs Set difference
- Ans.
List allows duplicate elements and maintains insertion order, while Set does not allow duplicates and does not maintain order.
List can contain duplicate elements, while Set cannot.
List maintains the order of elements based on insertion, while Set does not guarantee any specific order.
Examples: ArrayList is a List implementation, HashSet is a Set implementation.
Skills evaluated in this interview
I applied via Referral and was interviewed in Oct 2023. There was 1 interview round.
(4 Questions)
- Q1. 1 question on merge sort, 1 question on SQL queries, oops concepts in depth with real-life examples, core java concepts in depth, collection framework.
- Q2. Merge 2 sorted arrays,
- Ans.
Merge 2 sorted arrays into a single sorted array.
Create a new array with the combined length of the two input arrays
Use two pointers to iterate through the two arrays and compare elements to merge them into the new array
Handle cases where one array is longer than the other
- Q3. Find the top salary of a department
- Q4. 4 pillars of oops
- Ans.
Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOPs
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java
Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Parent and Child classes
Polymorphism: Ability to present the same interface for different data types. Example: Method overloading and overr...
Interview Preparation Tips
- Collections
- Core Java
- OOPS
- SQL
- Data Structures
- Algorithms
Skills evaluated in this interview
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Tata nexarc Java Developer Interview Process
based on 3 interviews
1 Interview rounds
- Resume Shortlist Round
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Tata nexarc Java Developer Reviews and Ratings
based on 18 reviews
Rating in categories
|
Java Developer
83
salaries
|  ₹4 L/yr - ₹12.9 L/yr |
|
Cluster Sales Manager
63
salaries
| ₹7.2 L/yr - ₹17.1 L/yr |
|
Cluster Manager
46
salaries
| ₹6 L/yr - ₹16 L/yr |
|
Team Lead
30
salaries
| ₹4 L/yr - ₹8.1 L/yr |
|
Software Developer
27
salaries
| ₹4 L/yr - ₹9.8 L/yr |
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