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. First IOS was written In 1996
1986
2010
2006

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

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

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

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

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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. Properties
Arrays
Classes
Dictionaries

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

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

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

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