Neebal Technologies Associate Software Engineer Interview Questions and Answers

Q1. Where do you envision yourself in the next five years?
Ans. 
In the next five years, I envision myself leading a team of software engineers, working on cutting-edge technologies, and making significant contributions to the company's success.
• Leading a team of software engineers

• Working on cutting-edge technologies

• Making significant contributions to the company's success
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Q2. What interests you about this job?
Ans. 
I am excited about the opportunity to work on complex software projects and contribute to innovative solutions.
• Opportunity to work on complex software projects

• Contribute to innovative solutions

• Excited about the challenges and learning opportunities
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Q1. What are the various data types available in JavaScript?
Ans. 
Various data types in JavaScript include string, number, boolean, object, array, null, and undefined.
• String: 'hello'

• Number: 42

• Boolean: true or false

• Object: { key: value }

• Array: [1, 2, 3]

• Null: null

• Undefined: undefined
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Q2. What is hoisting in JavaScript?
Ans. 
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q1. About the project that I have worked
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Q2. Technical Experience
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Q1. Databinding in android
Ans. 
Databinding in Android allows for easier connection between UI components and data sources.
• Databinding eliminates the need for findViewById() calls in your code.

• It allows for easier access to data in your layouts using data binding expressions.

• Databinding can improve code readability and reduce boilerplate code.

• Example:
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Q2. What is the packaging process in android
Ans. 
Packaging process in Android involves compiling the code, resources, and assets into an APK file for distribution.
• Compile the Java code into .class files

• Compile the resources (XML files, images, etc.) into a binary format

• Package all the compiled files into an APK file using the Android Asset Packaging Tool (AAPT)

• Sign the APK file with a private key for security

• Align the APK file for optimization
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Q3. What is an MVVM design pattern
Ans. 
MVVM is a design pattern that separates the user interface from the business logic and data model.
• MVVM stands for Model-View-ViewModel

• Model represents the data and business logic

• View represents the user interface

• ViewModel acts as an intermediary between the Model and View

• MVVM helps in achieving separation of concerns and easier unit testing
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Q1. Most of the question related to architecture and system design
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Q1. Face to face interview with director
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Aptitude questions with some basic coding questions

They have given 3 coding questions and some pseudo codings

Q1. Tell about your self
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Q2. Some coding questions
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The problem statement was given to solve.

Q1. Explain liskov substitution principle with examples?
Ans. 
Liskov Substitution Principle states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.
• Subtypes must be substitutable for their base types.

• Derived classes should be able to extend the functionality of base classes without changing their behavior.

• Violating this principle can lead to unexpected behavior in the program.

• Example: If a Square class i...read more
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Q2. Importance of abstraction
Ans. 
Abstraction is crucial in software development to simplify complexity, improve readability, and promote reusability.
• Abstraction helps in hiding unnecessary details and focusing on essential features.

• It allows developers to work at a higher level of understanding without getting bogged down in implementation details.

• Abstraction promotes code reusability by creating modular and reusable components.

• It improves code readab...read more
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Q3. Importance of Unit testing in clean close
Ans. 
Unit testing is crucial in ensuring clean code by verifying the functionality of individual units of code.
• Unit testing helps in identifying bugs and errors early in the development process.

• It ensures that each unit of code works as expected in isolation.

• Unit tests act as documentation for the codebase, making it easier for new developers to understand and modify the code.

• It promotes code reusability and maintainability...read more
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