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Ruby | Numeric zero? function
  • Last Updated : 06 Jan, 2020

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

Syntax: num.zero?()

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 zero?()
# method in Numeric
  
# Initialize a number 
num1 = 0
  
# Prints zero or not 
puts num1.zero?()

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Output:

true

Example 2:

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# Ruby program for zero?()
# method in Numeric
  
# Initialize a number 
num1 = Complex(12, 3)
  
# Prints zero or not 
puts num1.zero?()

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Output:

false
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