Job offersCompaniesTestsBlogI'm an employerSign upLog in
Home>IT Tests>Questions>Swift: What is the output of the following code? `var x = 10; x = x + undefined; print(x)`

Question from the Swift test

Swift: What is the output of the following code? `var x = 10; x = x + undefined; print(x)`

Easy

What does the (?) mark specify for the following variable: let pikachu: Pokemon?

Author: Smart&SoftStatus: PublishedQuestion passed 393 times
Edit
1
Community EvaluationsNo one has reviewed this question yet, be the first!
Similar Questions
More questions about Swift
3
How to check if a variable is defined in Swift
1
Can we override both getter and setter in Swift?
1
What is the purpose of the required keyword in Swift?
1
What is the type of an undefined variable in Swift?
1
Is the following code valid? ``` var x = 10 var y = x ```