Ex 37 Operators Flashcards by Jansen M | Brainscape

Q

+

A

Add

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Q

-

A

Subtract

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Q

*

A

Multiply

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Q

**

A

Power of

2 ** 4 == 16

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Q

/

A

Divide

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Q

%

A

Modulus

2 % 4 == 2

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Q

.

A

Dot access

“1”.to_i == 1

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Q

::

A

Colon access

Module::Class

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Q

[]

A

List brackets

[1,2,3,4]

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Q

!

A

Not

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Q

> =

A

Greater than equal

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Q

<=

A

Less than equal

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Q

<=>

A

Comparison

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Q

==

A

Equal

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Q

===

A

Equality

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Q

!=

A

Not equal

Q

&&

A

Logical and (higher precedence)

Q

||

A

Logical or (higher precedence)

Q

..

A

Range inclusive

(0..3).to_a == [0, 1, 2, 3]

Q

…

A

Range non-inclusive

(0…3).to_a == [0, 1, 2]

Q

@

A

Object scope

@var ; @@classvar

Q

@@

A

Class scope

@var; @@classvar

Q

$

A

Global scope

$stdin