Test Yantra Software Solutions Mobile Application 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
Ans. 
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
Ans. 
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

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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Q1. GCD, Operation queue, struct vs class, some small logical coding ,
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Q1. GCD, operation queue, URL Session tasks, ref type , value tyep,
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Q1. Basic and discussion about Job offer
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Q1. Related experience
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Q1. Personal information
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The whole interview about DSA, oops database and your relevant text

There is two interview around L1 and L2 L1 is about data structure and algorithm and oops. Concept in L2 interview is about all tach stack and resume Q&A, Ask about react, redux, Python DSA, oops, SQL