Kotlin Conditional Statements

1.		What is the syntax for the if-let statement?

if (variable != null) { } else { }

if (variable) { } else { }

if (variable == null) { } else { }

if (variable?.let { } ) { } else { }

2.		What is the purpose of the "when" expression in Kotlin?

To check multiple conditions.

To return a value based on a condition.

To execute a block of code if a condition is true.

None of the above.

3.		Which conditional statement is used to check multiple conditions?

if

else

switch

none of the above

4.		Which of the following is an example of a when statement?

if (condition) { } else { }

when (expression) { case value -> statements }

switch (expression) { case value: statements; default: statements; }

None of the above.

5.		Which conditional statement is used to check for a single condition?

if

else

switch

none of the above

6.		Which of the following is an example of an if-else if statement?

if (condition) { } else { }

if (condition) { } else if (condition) { } else { }

switch (expression) { case value: statements; default: statements; }

None of the above.

7.		Which of the following is true about the "if-else if" statement in Kotlin?

It is used to check multiple conditions.

It can be used as a replacement for the switch statement.

It can be nested within other conditional statements.

All of the above.

8.		What is the purpose of the "else" statement?

To check multiple conditions.

To execute a block of code if the "if" condition is true.

To execute a block of code if the "if" condition is false.

None of the above.

9.		What is the syntax for the unless expression?

unless (condition) { }

if (condition) { } else { }

unless { } else { }

unless (condition) { } else { }

10.		What is the syntax for the when statement?

when (expression) { case value -> statements }

when (expression) { case value -> statements; default -> statements }

when (expression) { value -> statements }

when (expression) { value -> statements; default -> statements }