Ruby | Numeric integer() function

The integer?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is an integer one, else it returns false.

Syntax: num.integer?()

Parameters: The function needs a number which is to be checked for.

Return Value: It returns returns a boolean value.

Example 1:

# Ruby program for integer?()
# method in Numeric

# Initialize a number
num1 = 15

# Prints integer or not
puts num1.integer?()

Output:

true

Example 2:

# Ruby program for integer?()
# method in Numeric

# Initialize a number
num1 = 15.6

# Prints integer or not
puts num1.integer?()

Output:

false