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