RenewBuy Software Developer Interview Questions and Answers

Q1. What lib list ?
Ans. 
A list of libraries used in software development.
• Common libraries like React, Angular, jQuery

• Backend libraries like Express, Django, Spring

• Database libraries like Sequelize, SQLAlchemy, Hibernate
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Q2. What is Physical file
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A physical file is a file stored on a physical storage device, such as a hard drive or solid-state drive.
• Physical files are stored on physical storage devices like hard drives or SSDs.

• They can be accessed and manipulated by software applications.

• Examples include text documents, images, videos, and executable programs.
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Q1. What is batch job
Ans. 
A batch job is a program that processes a large amount of data in a single run without user interaction.
• Batch jobs are typically scheduled to run at specific times, often during off-peak hours.

• They are commonly used for tasks such as data processing, report generation, and system maintenance.

• Examples of batch job tools include cron in Unix/Linux systems and Task Scheduler in Windows.
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Q2. What is interctive job
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An interactive job is a task or project that requires active participation and engagement from the user.
• Interactive jobs involve real-time feedback and communication between the user and the system.

• Examples include video games, online surveys, and interactive websites.

• Users have control over the outcome of the task based on their input and decisions.
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Q1. DSA Round & Introduction Round
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Q2. DP Question related to subsequence
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Q1. Design Parking Lot
Ans. 
Design a parking lot system with multiple levels and spots for cars.
• Create a class for ParkingLot with attributes like levels, spots per level, etc.

• Implement methods for parking a car, removing a car, checking availability, etc.

• Consider implementing a ticketing system for tracking parked cars.

• Utilize data structures like arrays, lists, or maps to manage parking spots efficiently.
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Q2. Sort Numbers with large file
Ans. 
Use external sorting algorithm like merge sort to efficiently sort numbers in a large file.
• Break the large file into smaller chunks that can fit into memory

• Sort each chunk individually using a sorting algorithm like merge sort

• Merge the sorted chunks back together to get the final sorted result
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Duration 1Hr
2 coding questions

Q1. Don't remember the questions
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Q2. Don't remember the questions.
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Q1. Oops concept and c# basic questions for freshers and sql basics
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Q2. What is .net framework
Ans. 
.NET Framework is a software framework developed by Microsoft that provides a runtime environment for building and running applications.
• .NET Framework is a platform for developing and running applications on Windows.

• It includes a large library of pre-built code and a runtime environment for executing applications.

• It supports multiple programming languages such as C#, VB.NET, and F#.

• It provides features like memory mana...read more
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Q3. Stored procesure insert update syntax
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Q4. Oops questions inheritance constructors
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Q5. Joins in sql and types
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• There are different types of joins in SQL: inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all the rows from the left table and the matching rows from the right table.

• Right join returns all the rows from the right table and the matching ...read more
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Q1. Basic oops concepts
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Q2. Web api questions
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Basic coding only not to worry much

Q1. Tell me about ur self
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Excellent team player with good communication skills
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Q2. What is ur projects
Ans. 
I have worked on various projects including a web-based inventory management system and a mobile app for tracking fitness goals.
• Developed a web-based inventory management system using React and Node.js

• Created a mobile app for tracking fitness goals using Flutter

• Implemented RESTful APIs for communication between frontend and backend systems
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Easy level to Medium level

2 Easy questions of DSA

Q1. One DSA question
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Q2. Normal discussion about tech stack
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Q1. Tell about yourself
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Q2. Why do you want to join digit?
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