N2r Technologies Flutter Developer Interview Questions and Answers

Q1. Bloc state management
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Q2. Api calling in flutter
Ans. 
Api calling in Flutter involves making HTTP requests to fetch data from a server.
• Use packages like http or dio to make API calls in Flutter

• Handle asynchronous operations using Future and async/await

• Parse JSON data using json.decode() method

• Implement error handling for network requests
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Q1. Flutter and dart related
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Company ask me logical question

Q1. About your self
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Q2. Your Current CTC
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Q1. What is Flutter
Ans. 
Flutter is a UI toolkit from Google for building natively compiled applications for mobile, web, and desktop from a single codebase.
• Developed by Google

• Uses Dart programming language

• Allows for building cross-platform applications with a single codebase

• Hot reload feature for quick development iterations
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Q2. Why select Flutter
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Company give me one UI and give 3 API and I make that UI and Retrieve API data

Q1. What is a polymorphism?
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Q2. Can you explain difference between == and euqals()?
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Q3. What is dependency inversion?
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Q4. Can you explain ACID?
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Q5. Please tell me about isolation levels
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Q1. No any no any questions for sharing.
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Q2. Nothing questions for sharing
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Q3. Nothing to share have for interview
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Q4. Nothing to share for interview
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Q5. Nothing have to sharing
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Numerical aptitude test, logical reasoning test, and technical aptitude test.

Case study GD, topic based GD,Role_play GD

Q1. Can you tell me yourself ?
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Familiarity with version control systems like Git
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Q2. How did you hear about this role?
Ans. 
I found this role through a job posting on LinkedIn.
• Saw job posting on LinkedIn

• Applied through company website

• Referred by a friend who works at the company
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Q3. What are your long term career goals?
Ans. 
My long term career goal is to become a senior software architect and lead a team of developers to create innovative solutions.
• Work towards gaining expertise in various programming languages and technologies

• Take on leadership roles in projects to develop management and communication skills

• Attend industry conferences and workshops to stay updated on latest trends and advancements

• Seek opportunities for mentorship and pro
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Q4. Do you have any questions for me ?
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Q5. What do you know about our company?
Ans. 
Your company is a leading software development firm specializing in creating innovative solutions for various industries.
• Your company has a strong reputation for delivering high-quality software products.

• You have a diverse portfolio of clients from different industries.

• Your company values innovation and creativity in software development.

• Your team is known for its expertise in cutting-edge technologies like AI and bloc...read more
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Q1. What is your favourite programming language?
Ans. 
My favorite programming language is Python because of its simplicity, readability, and versatility.
• Python is known for its clean and readable syntax, making it easy to learn and understand.

• Python has a large standard library with built-in modules for various tasks, reducing the need for external libraries.

• Python is versatile and can be used for web development, data analysis, artificial intelligence, and more.
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Q2. Can you explain the concept of object oriented programming?
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation is the concept of bundling data and methods that operate on the data within a single unit, such as a class.

• Inheritance allows classes to inherit attribu...read more
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Q1. Project based questions
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Q2. Scenario based question (multithreading and caching related scenarios were asked to me)
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Q3. One coding challenge
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First round was Aptitude which was quite easy

Q1. Resume bases Question
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Q2. Question on OOPS
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Q1. Resume and scenario based question
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Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java and Python.
• Experienced in Java and Python programming languages

• Worked on developing web applications using Spring framework

• Familiar with Agile development methodologies
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Q2. What challenges do you faced during your project and how you approached them
Ans. 
I faced challenges with integrating third-party APIs and resolved them by thoroughly researching documentation and seeking help from colleagues.
• Integrating third-party APIs required understanding complex documentation

• Encountered issues with data formatting and authentication

• Collaborated with team members to troubleshoot and find solutions
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