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

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

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

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

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

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6. _________ are collection of key-value pairs, where all keys are of same type and all values are of same type. Properties
Dictionaries
Arrays
Classes

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7. _________ are a collection of different values of the same type in an unorder list. Sets
Groups
Values
Collections

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8. Lazy properties are declared by using the _________ keyword before the property declaration. weak
Lazy
None of these
Slow

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9. The IDE used in swift is Dreamweaver
XCODE
All of them
Swiftc

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10. First IOS was written In 1996
2010
2006
1986

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