Ex. 37 Data Types

Question 1

true

Answer 1

True boolean value.

true or false == true

Question 2

false

Answer 2

False boolean value.

false and true == false

Question 3

nil

Answer 3

Represents “nothing” or “no value”.

x = nil

Question 4

strings

Answer 4

Stores textual information.

x = “hello”

Question 5

numbers

Answer 5

Stores integers

i = 100

Question 6

floats

Answer 6

Stores decimals.

i = 10.389

Question 7

arrays

Answer 7

Stores a list of things.

j = [1,2,3,4]

Question 8

hashes

Answer 8

Stores a key=value mapping of things.

e = {‘x’ => 1, ‘y’ => 2}