NeoSOFT IOS Developer Interview Questions and Answers

Q1. Explain clean architecture
Ans. 
Clean architecture is a software design approach that separates concerns and enforces a clear separation of responsibilities.
• Separates code into layers (presentation, domain, data)

• Dependence on abstractions rather than concrete implementations

• Allows for easier testing and maintenance

• Promotes scalability and flexibility

• Example: MVP, MVVM, VIPER
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Q2. Explain mvvm acrhitecture
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MVVM is an architectural pattern that separates the UI, business logic, and data layers in an Android app.
• Model - represents the data and business logic

• View - UI components that display data and interact with the user

• ViewModel - acts as a mediator between the Model and View, handling data operations and updating the UI

• Data binding - connects the View and ViewModel, automatically updating the UI when data changes
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Q3. Explain SOLID principle
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SOLID is a set of five principles for writing clean, maintainable, and scalable object-oriented code.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Classes should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

• In...read more
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Q1. What are your strengths
Ans. 
My strengths include strong problem-solving skills, attention to detail, and a passion for learning new technologies.
• Strong problem-solving skills

• Attention to detail

• Passion for learning new technologies
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Q2. What are your weekness
Ans. 
My weakness is that I tend to be overly critical of my own work, which can sometimes lead to perfectionism.
• I have a tendency to spend too much time on a task to ensure it is perfect

• I struggle with delegating tasks to others because I want to make sure they are done correctly

• I can be overly self-critical, which can affect my confidence
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Q1. What are your strengths
Ans. 
My strengths include strong problem-solving skills, attention to detail, and a passion for learning new technologies.
• Strong problem-solving skills

• Attention to detail

• Passion for learning new technologies
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Q2. What are your weekness
Ans. 
My weakness is that I can be overly critical of my own work, which can sometimes lead to perfectionism.
• I tend to spend too much time on a task to ensure it is perfect

• I have difficulty delegating tasks to others

• I can be too self-critical and have high expectations for myself
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45 minutes logical reasoing coding mocqs

Not abale to sahre something yes do this wo this

Started with a normal assignment. A basic form application with few operation

Q1. Javascript basics and React native
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Q2. Closures,let var and const
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Q3. Threads of javascript, Architecture
Ans. 
Threads of javascript refer to the concept of asynchronous programming in JavaScript. Architecture in this context likely refers to the overall structure and organization of a React Native application.
• JavaScript is single-threaded, meaning it can only execute one piece of code at a time. Asynchronous programming allows for non-blocking operations, improving performance and user experience.

• React Native architecture typi...read more
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Q4. Storage, Secure storage, Offline app handling
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Q5. Push notification, Camera, geomaps
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Q1. Difference Between Dispatch Queue and OperationalQueue
Ans. 
Dispatch Queue is a high-level API for managing concurrent operations, while OperationQueue is built on top of Dispatch Queue and adds additional features for managing operation objects.
• Dispatch Queue is a lightweight way to execute tasks serially or concurrently, while OperationQueue is used to manage operation objects that represent tasks.

• OperationQueue allows for dependencies between operations, while Dispatch Queue...read more
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Q2. SOLID Principle
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Q1. Programming task
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