Uneecops Technologies Software Developer Interview Questions and Answers

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Q1. What is your long term goal
Ans. 
To become a lead software architect and contribute to cutting-edge technology advancements.
• Advance to a lead software architect role

• Contribute to cutting-edge technology advancements

• Continuously improve skills and knowledge through learning and certifications
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Q2. Tell me about yourself
Ans. 
I am a software developer with 5 years of experience in developing web applications using various technologies.
• Experienced in front-end development using HTML, CSS, and JavaScript

• Proficient in back-end development with languages like Java and Python

• Familiar with database management systems such as MySQL and MongoDB

• Strong problem-solving skills and ability to work in a team environment
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Q1. What is React, and what are its lifecycle methods?
Ans. 
React is a JavaScript library for building user interfaces.
• React is used for creating interactive UI components.

• It uses a virtual DOM for efficient rendering.

• React lifecycle methods include componentDidMount, componentDidUpdate, and componentWillUnmount.

• These methods allow developers to perform actions at specific points in a component's lifecycle.
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Q2. What is the virtual DOM and how does reconciliation work in it?
Ans. 
Virtual DOM is a lightweight copy of the actual DOM used for efficient updates. Reconciliation is the process of updating the actual DOM based on changes in the virtual DOM.
• Virtual DOM is a lightweight copy of the actual DOM kept in memory.

• When changes are made to the UI, they are first reflected in the virtual DOM.

• Reconciliation is the process of comparing the virtual DOM with the actual DOM and updating only the nece...read more
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Very basic aptitude questions along with few coding questions

Q1. A problem statement was given and we had to provide an optimal approach to design and handle that problem
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Q2. Oops concepts, SQL queries
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Moderate round . Easy to clear

Q1. Explain stream api
Ans. 
Stream API is a feature in Java that allows processing collections of objects in a functional style.
• Stream API provides a way to perform operations on a collection of objects in a declarative way.

• It supports functional-style operations like map, filter, reduce, and forEach.

• Streams can be created from various sources like collections, arrays, or I/O channels.

• Stream operations are lazy, meaning they are only executed whe...read more
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Q2. Data base connection in sprinh boot
Ans. 
Database connection in Spring Boot is configured using application.properties or application.yml file.
• Define database connection properties in application.properties or application.yml file

• Use @EnableJpaRepositories annotation to enable JPA repositories

• Use @Entity annotation to define entity classes

• Use @Autowired annotation to inject the DataSource or EntityManager
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Q1. Why you want to join in mgs
Ans. 
I want to join MGS because of its reputation for cutting-edge technology and innovative projects.
• Exciting opportunities for growth and learning

• Strong focus on technology and innovation

• Desire to work with talented and passionate individuals

• Alignment with company values and culture
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Q2. Notice period days
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Round 1: DSA round asked Two DSA question in which one is Leetcode medium and another is leetcode Hard. I answer both of them but not selected in the further HR round.

Round 2: HR round

DSA coding 2-3 question

Java, DSA coding, java 8 coding, multithreading

Java8, spring-boot, DSA coding

Q1. DSA coding, java 8 coding, spring boot, mysql
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In 1st round they will provide a pattern question which you need to solve in 1 hour

Second round as well a coding test, which is a hard level of pattern coding test which you need to solve with in 45 minutes.

Q1. What is arrow function, write code to create a table (table structure will be provided).
Ans. 
Arrow functions are a concise way to write functions in JavaScript.
• Arrow functions are written using the '=>' syntax.

• They do not have their own 'this' keyword.

• They are best suited for non-method functions.

• Example: const add = (a, b) => a + b;
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Q2. Git commands, what are the steps to commit and push code in git.

Ans. 

To commit and push code in Git, you need to stage changes, commit them, and then push to the remote repository.

• Stage changes using 'git add ' or 'git add .' to add all changes

• Commit changes using 'git commit -m 'commit message''

• Push changes to remote repository using 'git push'

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