Chetu Android Developer Interview Questions and Answers

Q1. Structs vs Classes
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Structs are value types and passed by value, while classes are reference types and passed by reference.
• Structs are used for small, simple data types like coordinates or colors.

• Classes are used for more complex data types that require inheritance or reference semantics.

• Structs are copied when passed around, while classes are passed by reference.

• Structs are stack allocated, while classes are heap allocated.
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Q2. Discussion about design patterns
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Q3. OOPS discussion
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Q4. Concurrency discussion
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Q1. Basic Swift & iOS developer interview questions including technical.
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Q2. Scenario-based question.
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Q3. Core data,Sqlite basic Query
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Q1. Difference between MVP and mvvm
Ans. 
MVP focuses on separating concerns by having a presenter handle logic, while MVVM uses data binding to connect view and view model.
• MVP stands for Model-View-Presenter, where the presenter handles logic and updates the view. MVVM stands for Model-View-ViewModel, where data binding connects the view and view model.

• In MVP, the view has a reference to the presenter, while in MVVM, the view model does not have a reference t...read more
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Q2. Coroutine builder
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Q1. Questions related to kotlin coroutines in depth questions, scenario based questions
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Q2. Solid principles
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Q3. Architecture patterns
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Q4. Kotlin coroutine
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Q5. Unit testing, espresso scenario based
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Mainly data leakage related problems

Q1. Basic Swift and Objective C related questions
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Q2. SOLID principle
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Q3. Details of SOLID principle with its basic
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Q4. How to handle memory leakage
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Best practices for handling memory leaks in iOS development
• Use Instruments to identify memory leaks

• Avoid strong reference cycles with weak or unowned references

• Use autorelease pools for temporary objects

• Implement proper memory management with ARC (Automatic Reference Counting)
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Q5. Memory management
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Q1. They asked me about the frameworks and overall architecture in iOS, how to implement tables, create views and auto layout.
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Q1. MVP vs MVVM, Proguard, Coroutine,Coroutine builder,program for char count
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