AppsInvo Interview Questions and Answers

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. 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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Q1. Some question were related to APIs
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Q2. What is rest API
Ans. 
REST API is a set of rules and conventions for building and interacting with web services using HTTP methods.
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Data is transferred in JSON or XML format

• Stateless communication between client and server

• Example: GET request to retrieve data from a server
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First round was coding test conducted by their IDE where you can program in any language like on hackerrank IDE . 5 question were asked from easy to hard

Q1. They ask me about my though on social media
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Q2. They give me a situation to handle the work load
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Q1. Difference between stack and heap ?
Ans. 
Stack is used for static memory allocation and stores local variables, while heap is used for dynamic memory allocation and stores objects.
• Stack memory is allocated in a contiguous block and is faster to access compared to heap memory.

• Variables stored on the stack have limited scope and lifetime, while objects on the heap can persist beyond the scope of the function.

• Stack memory is managed by the compiler, while heap m...read more
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Q2. Difference between complier and interpreter ?
Ans. 
Compiler translates entire code into machine code before execution, while interpreter translates code line by line during execution.
• Compiler translates entire code into machine code before execution

• Interpreter translates code line by line during execution

• Compiler generates error messages after scanning entire code

• Interpreter stops at first error encountered

• Examples: C, C++ use compilers; Python, Ruby use interpreters
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Q1. My introduction
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Q2. I can i mange to work proficiency
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Q1. There were two interviewers. I was interviewed in python. Two coding questions on python and one SQL question and few questions on projects and previous working experience and knowledge on linux.
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Q2. What is your work experience
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Q3. What are the projects you worked on
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