NEC Software Solutions Senior Software Engineer Interview Questions and Answers

One coding test happen

Q1. Java questions, spring boot framework questions
Add your answer
Q2. DSA using stream api
Ans. 
Using stream API for Data Structures and Algorithms
• Stream API in Java can be used to perform operations on collections like filtering, mapping, reducing, etc.

• It can be used for implementing various data structures and algorithms efficiently.

• For example, you can use stream API to find the sum of all elements in an array or filter out even numbers from a list.
Answered by AI
Add your answer

Q1. Java questions and spring boot questions
Add your answer
Q2. One program using stream api
Ans. 
Using stream API to filter a list of numbers and find the sum of even numbers
• Use Stream.filter() to filter out even numbers

• Use Stream.mapToInt() to convert stream to IntStream

• Use IntStream.sum() to find the sum of even numbers
Answered by AI
Add your answer

Q1. Difference between Scheduled script and Map reduce script?
Ans. 
Scheduled script runs on a predefined schedule, while Map reduce script processes large datasets in parallel.
• Scheduled script is used for automating tasks at specific times, like sending reports daily at 8am.

• Map reduce script is used for processing large datasets by splitting them into smaller chunks and processing them in parallel.

• Scheduled script is typically used for routine tasks, while Map reduce script is used fo...read more
Answered by AI
Add your answer
Q2. Types of scripts in NetSuite.
Ans. 
Types of scripts in NetSuite include SuiteScript, SuiteTalk, SuiteFlow, and SuiteBuilder.
• SuiteScript: JavaScript-based scripts for customizing NetSuite functionality.

• SuiteTalk: Web services integration for connecting NetSuite with external systems.

• SuiteFlow: Visual workflow tool for automating business processes.

• SuiteBuilder: Customization tool for modifying NetSuite forms, fields, and records.
Answered by AI
Add your answer

Q1. Questions on java , spring boot , containarisation tools, coding, SOLID principles
Add your answer

5 coading questions were asked in it

Q1. Manegerial round
Add your answer

Q1. Write a program to merge 2 sorted list with n+m complexity
Ans. 
Merge two sorted lists with n+m complexity
• Create a new list to store the merged result

• Iterate through both lists simultaneously and compare elements

• Add the smaller element to the new list and move to the next element in that list

• Continue until all elements from both lists are merged
Answered by AI
Add your answer
Q2. From the employee table find out the employee list whose salary is highest in the department
Add your answer
Q3. Singleton design patterns
Add your answer
Q4. What is dependency injection
Ans. 
Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing a way to mock dependencies.

• There are three types of dependency injection - constructor injection, setter injection, and interface injection.
Answered by AI
Add your answer
Q5. N+1 problem of hibernate
Ans. 
The n+1 problem in Hibernate occurs when a query results in multiple individual queries being executed for each row fetched.
• Occurs when a query fetches a collection and then for each element in the collection, another query is executed to fetch related data

• Can be resolved by using fetch joins or batch fetching to reduce the number of queries

• Improves performance by reducing the number of database round trips
Answered by AI
Add your answer

Choose the Options in Javascript, HTML, CSS

Q1. ES6 concepts of javascript
Add your answer
Q2. Core concepts of Reactjs
Ans. 
Reactjs is a JavaScript library for building user interfaces.
• Component-based architecture

• Virtual DOM for efficient updates

• JSX for writing HTML in JavaScript

• State management with setState()

• Lifecycle methods like componentDidMount()
Answered by AI
Add your answer

Q1. Role discussion with Manager
Add your answer
Q2. Salary discussion with HR
Add your answer

Q1. Explain technical challenges you have come across and how did you overcome it?
Ans. 
I faced a technical challenge while implementing a complex algorithm for real-time data processing.
• Identified the bottleneck in the algorithm by profiling the code

• Optimized the algorithm by implementing data structures and algorithms with lower time complexity

• Tested the optimized solution thoroughly to ensure correctness and performance

• Collaborated with team members to brainstorm alternative approaches
Answered by AI
Add your answer
Q2. Explain the main feature of JavaScript frameworks
Ans. 
JavaScript frameworks provide pre-written code to simplify and speed up web development.
• Helps in organizing code and improving code quality

• Provides reusable components for faster development

• Offers built-in features like routing, state management, and data binding

• Examples: React, Angular, Vue
Answered by AI
Add your answer

Q1. What are the OOPS concepts
Add your answer
Q2. MultiThreading, synchronization
Add your answer

Q1. Tell me about yourself
Add your answer