Ruby | String empty? Method

empty? is a String class method in Ruby which is used to check whether the string length is zero or not.

Syntax: str.empty?

Parameters: Here, str is the given string which is to be checked.

Returns: It returns true if str has a length of zero, otherwise false.

Example 1:

# Ruby program to demonstrate
# the empty? method

# Taking a string and
# using the method
puts "checking".empty?
puts "method".empty?

Output:

false
false

Example 2:

# Ruby program to demonstrate
# the empty? method

# Taking a string and
# using the method
puts "".empty?
puts ".".empty?

Output:

true
false

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