Ruby Development Course Materials & Test Answers | softserve.academy

Ruby does not support multiple inheritance

directly

False

0%

True

0%

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Chose the right syntax for Module?

import modulename

❌

include modulename

✅

implement modulename

❌

add modulename

❌

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Ruby gives you several levels of protection at

instance methods level, which may be

:

private, public, accessor

methods

0%

protected, accessor

methods

0%

public, private,protected

0%

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How to declare instance

of Class

class my_Class

code

end

class_instance =

my_Class()

❌

class_instance = new

my_Class()

❌

class_instance =

my_Class.new

✅

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What can a module inherit from?

Cannot inherit from anything

0%

Another module

0%

Class

0%

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Where

are accessible private methods?

In

class, where they are present, and in child classes

❌

They

are accessible from anywhere

❌

Only

in class, where they are present

✅

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Where

are accessible protected methods?

In

class, where they are present, and in child classes

0%

They

are accessible from anywhere

0%

Only

in class, where they are present

0%

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attr_accessor

method is used in class to…

set

get instance variables

0%

get

and set get instance variables

0%

get

instance variables

0%

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What is the output of

this code?

8

❌

4

✅

3

❌

0

❌

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What is the output of

this code?\

4

❌

1

✅

Error

❌

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Crowdly

Ruby Development

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