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

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

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

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4. To use a function we call that function name with its name and what will be passed as input values? Expressions
parameters
variables
Arguments

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5. Object is _________ of a class. a duplicate
the opposite
a declaration
an instance

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6. The building blocks using object, variables and structures are known as _______ methods
classes
objects
properties

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

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

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9. To Create Mutable Object __ Is Used? let
var
Both A & B
None of them

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

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

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12. First IOS was written In 2010
1986
2006
1996

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

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

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

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

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

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18. Which of the following is the default access level of an object? Internal
Private
Public
File Private

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

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