Mindinventory Senior Software Engineer Interview Questions and Answers

Q1. Diff b/w CTE and SubQuery
Ans. 
CTE is a temporary result set that can be referenced within a query, while a subquery is a query nested within another query.
• CTE stands for Common Table Expression and is defined using the WITH keyword.

• CTEs can be referenced multiple times within a query.

• Subqueries are enclosed in parentheses and can only be referenced once in a query.

• Subqueries can be correlated or non-correlated.

• CTEs are generally used for readabilit...read more
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Q2. What is middleware in mvc core
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Middleware in MVC Core is software components that are used to handle requests and responses in the application pipeline.
• Middleware components are added to the application pipeline in the Startup class using the UseMiddleware method.

• Each middleware component in the pipeline can inspect, modify, or short-circuit the request pipeline.

• Middleware components can perform tasks such as authentication, logging, error handling,...read more
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Java basics questions. Some patterns to print and oops concepts

Q1. Introduction and why you join software industry
Ans. 
I joined the software industry because of my passion for problem-solving and creating innovative solutions.
• Passion for problem-solving

• Interest in technology and innovation

• Opportunity to create impactful solutions

• Love for coding and programming

• Desire to be part of a fast-paced and dynamic industry
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Q2. What is your salary expectation
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I expect a competitive salary based on my skills, experience, and the market rate for software developers.
• Consider the average salary range for software developers in your location

• Research the salary range offered by similar companies in the industry

• Factor in your years of experience and any specialized skills you possess

• Be prepared to negotiate and discuss benefits in addition to salary

• Example: I expect a salary in th
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20 questions were there and enough time was given. Questions were easy to medium

Q1. Basics of programming were asked. You will be asked to make logic for the given problem.
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Q2. Star pattern, Fibonacci series, swap two numbers without third variable
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Q1. They simply check your communication skills and behaviour
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Q1. Class four pillars of oops
Ans. 
The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling of data and methods into a single unit (class) to hide implementation details.

• Inheritance: Ability of a class to inherit properties and behaviors from another class.

• Polymorphism: Ability of objects of different classes to respond to the same message in different ways.

• Abstraction: Simplifying complex systems by ...read more
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Q2. Css basic questions tag in html
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Q1. Introduction discuss about bond
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Q2. Basic questions family background only check communication
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Q1. Basic questions
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Q1. Basic Questions about your projects
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Q1. Salary discussion
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Q1. Basic question about the post like node.js developer then question will be related to node.js
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Q2. Some question from your project which you have mentions in your cv or resume.
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Q1. Basic Question about security.
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Q2. Some baisc of array questions or string
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Q1. What is OOPs Concept?
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation

• Example: Inheritance allows a class to inherit properties and behavior from another class
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Q2. What is the difference between abstract class and interface?
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Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructor, fields, and methods, while interface cannot have any implementation.

• A class can extend only one abstract class, but can implement multiple interfaces.

• Abstract class is used to provide a common base for multiple classes, while interface is used to define a contract for class...read more
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BInary Tree implementation

Q1. High level design and architecture of project
Ans. 
The high level design and architecture of a project involves outlining the overall structure and components of the software system.
• Identify the main modules or components of the system

• Define the interactions between these modules

• Specify the data flow and communication protocols

• Consider scalability, performance, and security requirements

• Choose appropriate design patterns and technologies
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Q2. Design database schema for particular scenario.
Ans. 
Design a database schema for a particular scenario.
• Identify entities and their relationships

• Create tables for each entity

• Define primary and foreign keys

• Normalize the database to reduce redundancy

• Consider indexing for performance optimization
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Q3. What is Cascadiing
Ans. 
Cascading is a data processing framework for building complex data processing workflows on Apache Hadoop.
• Cascading allows developers to easily create and manage data pipelines using Java or other JVM languages.

• It provides a higher-level abstraction for working with Hadoop MapReduce, making it easier to write and maintain data processing jobs.

• Cascading supports complex data transformations, joins, aggregations, and more...read more
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