Ruby Integer integer? function with example

The integer? function in Ruby returns a boolean value. It returns true if the number is an int, else it returns false.

Syntax: number.integer?

Parameter: The function takes the integer which is to be checked for int or not.

Return Value: The function returns a boolean value which determines if the value is int or not.

Example #1:

# Ruby program of Integer integer? function

# Initializing the numbers
num1 = 22
num2 = 15.555
num3 = 19.978
num4 = 20

# Prints if integer or not
puts num1.integer?
puts num2.integer?
puts num3.integer?
puts num4.integer?

Output:

true
false
false
true

Example #2::

# Ruby program of Integer integer? function

# Initializing the numbers
num1 = 89.76
num2 = -100
num3 = 100
num4 = 29.78

# Prints if integer or not
puts num1.integer?
puts num2.integer?
puts num3.integer?
puts num4.integer?

Output:

false
true
true
false