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Knocial India Java Developer Interview Questions and Answers
Knocial India Java Developer Interview Experiences
1 interview found
Anonymous
I applied via Campus Placement and was interviewed in Sep 2022. There were 3 interview rounds.
1 hour aptitude test having topics like syllogs, numerical ability etc.
(3 Questions)
- Q1. What is OOPs Define it?
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities and their interactions.
OOPs stands for Object-Oriented Programming.
It focuses on encapsulation, inheritance, and polymorphism.
Encapsulation is the process of hiding implementation details from the user.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects of different classes to be tre...
- Q2. Is java completely Object oriented ? Give the reason to support your answer.
- Ans.
Java is mostly object-oriented, but not completely.
Java supports primitive data types which are not objects.
Static methods and variables are not associated with objects.
Java also has some non-object-oriented features like the use of null.
However, Java's core libraries and syntax are heavily object-oriented.
- Q3. What is wrapper class in java.
- Ans.
Wrapper class is a class that wraps a primitive data type to provide additional functionality.
Wrapper classes are used to convert primitive data types into objects.
They provide methods to convert between primitive data types and objects.
Examples of wrapper classes include Integer, Double, Boolean, etc.
Wrapper classes are immutable.
They are often used in collections and generics.
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I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(5 Questions)
- Q1. Java & advance java,spring Boot
- Ans.
I m to get yourlife company to work.
- Q2. Check my skills
- Ans.
It's like technical round & Hr round , way of language speaking.
- Q3. I ability to doing work hard in this company
- Q4. I'm have read to extra work form this company
- Q5. I hope I think about me good everything it's OK thank you my side.
Interview Preparation Tips
- Core Java
- JDBC
- Servlets
- Hibernate
- Spring Boot
(2 Questions)
- Q1. No one showed up to interview
- Q2. Even they don’t responded to my mails
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Mar 2024. There were 3 interview rounds.
(1 Question)
- Q1. Regular core java, OOPS, Spring Boot questions. It was like a rapid-fire round.
(3 Questions)
- Q1. Coding question - find repeat elements in an array
- Q2. Project related questions
- Q3. Build a basic CRUD REST API endpoint
(3 Questions)
- Q1. Behavioral questions
- Q2. Technical questions about SpringBoot and microservices
- Q3. SQL question - third highest salary
Implementation of the Spring security
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. All basic java question
Interview Preparation Tips
- hashmap
- collection
(2 Questions)
- Q1. Java 8 new features
- Ans.
Java 8 introduced several new features including lambda expressions, streams, and default methods.
Lambda expressions allow for functional programming and simplify code.
Streams provide a way to process collections of data in a functional way.
Default methods allow for adding new methods to interfaces without breaking existing implementations.
Other new features include the Date and Time API, Nashorn JavaScript engine, and...
- Q2. Stream api coding questions
(2 Questions)
- Q1. Your last project
- Ans.
Developed a web-based inventory management system for a retail company
Used Java, Spring Boot, and MySQL for backend development
Implemented a responsive UI using AngularJS and Bootstrap
Integrated barcode scanning functionality for faster inventory management
Implemented user authentication and authorization using Spring Security
Deployed the application on AWS EC2 instance
- Q2. Challenged faced in last project
- Ans.
Integrated a new payment gateway in the project
Had to understand the API documentation of the payment gateway
Had to modify the existing codebase to integrate the new gateway
Had to test the integration thoroughly to ensure it works as expected
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Skills evaluated in this interview
Selected
I applied via Walk-in and was interviewed in Jun 2023. There were 5 interview rounds.
For freshers there is online aptitude test.
Coding round is done by interviewers on live screen sharing
(1 Question)
- Q1. Here they discuss about projects and work in depth.
(2 Questions)
- Q1. Tell me about yourself? What are your hobbies? If you get chance to work with our company what is your expectations from us?
- Q2. Discuss about policies and work culture
I applied via LinkedIn and was interviewed in Sep 2022. There were 3 interview rounds.
(2 Questions)
- Q1. What is your expectations from mindtree ?
- Q2. As I am fresher I want a good environment to implement my theoretical knowledge to practical.your company also working on Java and I have done multiple projects on Java.
(2 Questions)
- Q1. What does you know about oops
- Ans.
OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
OOPS is based on four main concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.
Encapsulation is the process of hiding the implementation details of an object from the outside world.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects of d...
- Q2. So give answer according to you
Interview Preparation Tips
- OOPS
- MySQL
(1 Question)
- Q1. Core java , jdbc template, basic rest questions...restcontroller vs controller, springbootappliaction annotation,multithreading.
(1 Question)
- Q1. Asks about current salary..gets shocked with current CTC. I tell her my expectations, she says you better go with current offers in hand. Why do I had to go through all interview process if you could not p...
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