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Ruby | Numeric zero? function

Last Updated : 19 Mar, 2024
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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: CPP
# Ruby program for zero?()
# method in Numeric

# Initialize a number 
num1 = 0

# Prints zero or not 
puts num1.zero?()
Output:
true
Example 2: CPP
# Ruby program for zero?()
# method in Numeric

# Initialize a number 
num1 = Complex(12, 3)

# Prints zero or not 
puts num1.zero?()
Output:
false

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