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

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

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

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

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

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

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

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

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

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

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

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

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

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

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15. First IOS was written In 1996
1986
2006
2010

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

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

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

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

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

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