Ruby | Numeric nonzero? function

Last Updated : 12 Jul, 2025

The nonzero?() is an inbuilt method in Ruby returns self if the number is non-zero, else it returns nil.

Syntax: num.nonzero?() Parameters: The function needs a number which is to be checked. Return Value: It returns self or nil.

Example 1:

Ruby

# Ruby program for nonzero?
# method in Numeric

# Initialize a number 
num1 = 12

# Prints if nonzero or not 
puts num1.nonzero?()

Output:

Example 2:

Ruby

# Ruby program for nonzero?
# method in Numeric

# Initialize a number 
num1 = 0

# Prints if nonzero or not 
puts num1.nonzero?()

Output:

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