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Ruby Integer integer? function with example

  • Last Updated : 07 Jan, 2020

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
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