Keka HR Payroll Software Senior Android Application Developer Interview Questions and Answers

Apply is used to apply a function to each element of a collection, while let is used to assign a value to a variable.

• Apply: Used to apply a function to each element of a collection. Example: list.apply { println(it) }

• Let: Used to assign a value to a variable. Example: val result = calculate().let { it * 2 }

Communication between Coroutines in Android development.

• Use channels to communicate between coroutines

• Channels are used to send data between coroutines

• Channels can be used for both sending and receiving data