Android Studio Quiz

1. What is the main entry point for Kotlin programs?

• main()

• start()

• execute()

• entry()

2. How do you declare a variable in Kotlin?

• var myVar: Int = 5

• let myVar = 5

• const myVar = 5

• int myVar = 5

3. What is the purpose of the 'when' statement in Kotlin?*

• Declare a variable

• Loop through elements

• Implement switch-case

• Define a function

4. How can you create an infinite loop in Kotlin?

• while (true)

• for (i in 1..10)

• repeat(3)

• do { } while (condition)

5. What does the 'var' keyword signify when declaring a variable?

• Constant

• Mutable

• Final

• Static

6. Which keyword is used to define a function in Kotlin?

• func

• method

• fun

• procedure

7. How do you pass parameters to a function in Kotlin?*

• Using the 'params' keyword

• Using the 'arguments' keyword

• Separated by commas

• By enclosing them in curly braces

8. What is the purpose of 'return' in a Kotlin function?*

• Exit the program

• End the function execution

• Send a value back

• Restart the loop

9. How can you define a range in Kotlin?

• 1..10

• range(1, 10)

• [1, 10]

• (1, 10)

10. 10.Which looping statement is used for iterating over a collection in Kotlin?*

• for

• while

• repeat

• do-while