Android Interview Questions

All my articleas are available for free to read. Here’s the link to this one.

Kotlin

• What is the difference between const val and val?
• What is so interesting about data class?
• Is singleton thread-safe? vs Object?
• What are different type of scope modifiers?
• What are different Coroutine Scope?
• How to manage series and parallel execution?
• Difference between Flow/SharedFlow/StateFlow and elaborate it.
• What happens if we call .cancel() from a coroutine scope?
• What is an Init block in Kotlin?
• How to choose between apply and with?
• What is inline function in Kotlin?
• Difference between Coroutine and Java Thread
• Why Coroutines are light weight?
• How does Coroutine switch context?
• How does extension functions work?
• @JvmStatic , static and Companion object
• Kotlin vs Java
• Parcelable vs Serializable

Android

• How does Garbage collection works?
• What is a dangling pointer?
• Elaborate Memory Leak?
• Explain fragment Lifecycle when it comes to ViewPager and sliding between different fragments.