Operator Examples

Question 1

2 + 4 == 6

Answer 1

+: Add

Question 2

2 - 4 == 2

Answer 2

-: Subtract

Question 3

2 * 4 == 8

Answer 3

*: Multiply

Question 4

2 ** 4 == 16

Answer 4

**: Power of

Question 5

2 / 4.0 == 0.5

Answer 5

/: Divide

Question 6

2 % 4 == 2

Answer 6

%: Modulus

Question 7

4 > 4 == false

Answer 7

>: Greater than

Question 8

“1”.to_i == 1

Answer 8

.: Dot access

Question 9

Module::Class

Answer 9

::- Colon access

Question 10

[1,2,3,4]

Answer 10

[]: List brackets

Question 11

!true == false

Answer 11

!: Not

Question 12

4 < 4 == false

Answer 12

<: Less than

Question 13

4 > 4 == false

Answer 13

>: Greater than

Question 14

4 >= 4 == true

Answer 14

<=: Greater than equal

Question 15

4 <= 4 == true

Answer 15

>=: Less than equal

Question 16

4 4 == 0

Answer 16

: Comparison

Question 17

4 == 4 == true

Answer 17

==: Equal

Question 18

4 === 4 === true

Answer 18

===: Equality

Question 19

4 != 4 == false

Answer 19

!=: Not equal

Question 20

true && false == false

Answer 20

&&: Logical and (higher precedence)

Question 21

true || false == true

Answer 21

||: Logical or (higher precedence)

Question 22

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

Answer 22

..: Range inclusive

Question 23

(0…3).to_a == [0, 1, 2]

Answer 23

…: Range non-inclusive

Question 24

$stdin

Answer 24

$: Global scope

Question 25

@var ; @@classvar

Answer 25

@: Object scope

Question 26

@var; @@classvar

Answer 26

@@: Class scope