Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. IOS stands for? Internet Operating System
Internet Object Security
None of these
Iphone Operating System

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2. Which of the following classes is used to encode a JSON string? JSONString
JSONEncoder
None of these
JSONDecoder

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3. Which keyword does in function start? function_name
function
var function
func

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4. What is a closure Expression? Self-contained block of codes
Code that ends a function
A function that occurs within another function
None of these

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5. Which method is used to check if a value in a set? excludes()
exists()
includes()
contains()

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6. First version of IOS released was _______ 2005
2010
2007
2009

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7. How is an external parameter used with a function? None of these
When the parameter is used in the function body
When return value are not required
When calling the functions

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8. Which of the following will be executed. If no matches occurs in switch statement? Default
Break
Continue
Case 0

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9. Which of the following will be executed, if no matches occur in switch statement? default
continue
switch
break

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10. Which of the following is incorrect data type in swift? Char
Optional
UInt
Double

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