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Ruby | Numeric integer() function
  • Last Updated : 06 Jan, 2020

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:



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# Ruby program for integer?()
# method in Numeric
  
# Initialize a number 
num1 = 15
  
# Prints integer or not 
puts num1.integer?()

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Output:

true

Example 2:

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# Ruby program for integer?()
# method in Numeric
  
# Initialize a number 
num1 = 15.6
  
# Prints integer or not 
puts num1.integer?()

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Output:

false
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