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

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

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3. First IOS was written In 1996
1986
2010
2006

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

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

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

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

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

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

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

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